<script data-pm-proxy="intercept"></script><?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0" xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd" xmlns:googleplay="http://www.google.com/schemas/play-podcasts/1.0"><channel><title><![CDATA[Solarletter]]></title><description><![CDATA[La actualidad del sector solar]]></description><link>https://solarletter.substack.com</link><image><url>https://substackcdn.com/image/fetch/$s_!LhFh!,w_256,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F63c29996-62b5-4afb-b185-88725b743eb9_1254x1254.png</url><title>Solarletter</title><link>https://solarletter.substack.com</link></image><generator>Substack</generator><lastBuildDate>Tue, 01 Sep 2026 21:51:40 GMT</lastBuildDate><atom:link href="/__u/solarletter.substack.com/feed" rel="self" type="application/rss+xml"/><copyright><![CDATA[Imanol Matanza Medina]]></copyright><language><![CDATA[en]]></language><webMaster><![CDATA[solarletter@substack.com]]></webMaster><itunes:owner><itunes:email><![CDATA[solarletter@substack.com]]></itunes:email><itunes:name><![CDATA[Imanol Matanza Medina]]></itunes:name></itunes:owner><itunes:author><![CDATA[Imanol Matanza Medina]]></itunes:author><googleplay:owner><![CDATA[solarletter@substack.com]]></googleplay:owner><googleplay:email><![CDATA[solarletter@substack.com]]></googleplay:email><googleplay:author><![CDATA[Imanol Matanza Medina]]></googleplay:author><itunes:block><![CDATA[Yes]]></itunes:block><item><title><![CDATA[Solarletter #35_ES - La huella del eclipse solar en la fotovoltaica española]]></title><description><![CDATA[Tambi&#233;n: Alemania vuelve a batir su r&#233;cord de almacenamiento con bater&#237;as, Sungrow para el mayor proyecto fotovoltaico de Europa y Los precios de los m&#243;dulos pisan el freno]]></description><link>https://solarletter.substack.com/p/solarletter-35_es-la-huella-del-eclipse</link><guid isPermaLink="false">https://solarletter.substack.com/p/solarletter-35_es-la-huella-del-eclipse</guid><dc:creator><![CDATA[Imanol Matanza Medina]]></dc:creator><pubDate>Wed, 19 Aug 2026 08:00:55 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!lz0e!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa0865840-0d9d-472d-a114-08fde3089bae_1672x941.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<p>Hola a todos y bienvenidos de nuevo a Solarletter. Mi nombre es <a href="https://www.linkedin.com/in/imanol-matanza-medina-305271150/">Imanol Matanza</a> y trato de compartir contigo las <strong>&#250;ltimas noticias, avances tecnol&#243;gicos y tendencias en el campo de la energ&#237;a fotovoltaica</strong>. A trav&#233;s de Solarletter, espero aportarte <strong>informaci&#243;n valiosa, an&#225;lisis de mercado, estado del arte y peque&#241;os consejos pr&#225;cticos</strong> que te ayudar&#225;n a mantenerte al tanto de los desarrollos m&#225;s recientes en la industria fotovoltaica. </p><h3 style="text-align: center;">Un nuevo cap&#237;tulo: BIKenergy GmbH</h3><p>Despu&#233;s de varios a&#241;os trabajando en distintas fases de proyectos de energ&#237;as renovables a gran escala, me hace mucha ilusi&#243;n compartir un nuevo paso:</p><div class="callout-block" data-callout="true"><p style="text-align: center;"><strong>BIKenergy GmbH ya est&#225; oficialmente en marcha.</strong></p></div><p>La idea detr&#225;s de <a href="https://bikenergy.de/">BIKenergy</a> es sencilla: reunir bajo un mismo techo experiencia pr&#225;ctica en ingenier&#237;a, construcci&#243;n y ejecuci&#243;n de proyectos, con un fuerte enfoque en el mercado alem&#225;n.</p><p>Apoyamos a desarrolladores, contratistas EPC, inversores y propietarios de activos en proyectos utility-scale de Solar PV y sistemas de almacenamiento con bater&#237;as mediante cuatro servicios principales:</p><ul><li><p><strong>Servicios de Ingenier&#237;a:</strong> Desde el dise&#241;o conceptual hasta la documentaci&#243;n as-built, incluyendo dise&#241;o el&#233;ctrico, layouts, c&#225;lculos, documentaci&#243;n espec&#237;fica del proyecto y coordinaci&#243;n de la conexi&#243;n a red.</p></li><li><p><strong>Servicios de Construcci&#243;n:</strong> Trabajos civiles, mec&#225;nicos y el&#233;ctricos AC/DC, junto con apoyo en pruebas, puesta en marcha y entrega.</p></li><li><p><strong>Site Management:</strong> HSE, control de calidad, coordinaci&#243;n de subcontratistas, seguimiento del avance y supervisi&#243;n en obra para mantener los proyectos seguros, eficientes y dentro de plazo.</p></li><li><p><strong>Project Management:</strong> Gesti&#243;n de alcance, planificaci&#243;n, costes, riesgos, compras y stakeholders desde la fase de desarrollo hasta la construcci&#243;n y la entrega final.</p></li></ul><p>Nuestro objetivo no es convertirnos en otro desarrollador de proyectos ni en un EPC que compita por los activos. Queremos ser el <strong>partner t&#233;cnico y de ejecuci&#243;n de confianza</strong> que ayude a que los proyectos avancen de forma fiable en Alemania.</p><p>Puedes echar un vistazo a la nueva web aqu&#237;: <a href="https://bikenergy.de/">BIKenergy</a></p><blockquote><p><em>&#191;Est&#225;s buscando actualmente un partner fiable para tu proyecto Solar PV o BESS en Alemania?</em></p></blockquote><p>Si es as&#237;, podemos tener una breve llamada y ver en qu&#233; puede ayudarte BIKenergy.</p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://outlook.office.com/bookwithme/user/76d65f1305044d86bf5e87deb088487d@bikenergy.de/meetingtype/DCCaPngYBkuKLowq7SZFBg2?anonymous&amp;ismsaljsauthenabled&amp;ep=mlink&quot;,&quot;text&quot;:&quot;Reserva una reuni&#243;n&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa0865840-0d9d-472d-a114-08fde3089bae_1672x941.png 424w, /__u/substackcdn.com/image/fetch/$s_!lz0e!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa0865840-0d9d-472d-a114-08fde3089bae_1672x941.png 848w, /__u/substackcdn.com/image/fetch/$s_!lz0e!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa0865840-0d9d-472d-a114-08fde3089bae_1672x941.png 1272w, 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8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><div><hr></div><p>Ahora s&#237; vamos de vuelta con la Solarletter.</p><p>Si no os lo quer&#233;is perder, os dejo un link aqu&#237;:</p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/subscribe"><span>Subscribe now</span></a></p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-35_es-la-huella-del-eclipse?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-35_es-la-huella-del-eclipse?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p><p>Siempre estoy abierto a sugerencias, preguntas y comentarios, as&#237; que no dudes en contactarme. &#161;Si te gusta, no dudes en subscribirte y compartirla!</p><p>Ahora s&#237;, vamos con un par de noticias interesantes!</p><div><hr></div><h4><strong>La huella del eclipse solar en la fotovoltaica espa&#241;ola</strong></h4><p>El pasado <strong>12 de agosto</strong>, <strong>el eclipse solar tambi&#233;n se dej&#243; notar en el sistema el&#233;ctrico espa&#241;ol</strong>. M&#225;s all&#225; de la curiosidad astron&#243;mica, este tipo de eventos permiten observar de forma muy visual hasta qu&#233; punto la fotovoltaica ya tiene un peso relevante en la generaci&#243;n el&#233;ctrica. </p><p><a href="https://www.ree.es/es/sala-de-prensa/actualidad/nota-de-prensa/2026/08/eclipse-solar-medidas-preventivas-para-un-impacto-limitado-en-la-generacion-solar">Red El&#233;ctrica Espa&#241;ola</a> (REE) ya hab&#237;a preparado el sistema para este escenario. D&#237;as antes del eclipse, el operador estimaba una <strong>reducci&#243;n m&#225;xima de unos 5 GW de generaci&#243;n solar en la Pen&#237;nsula</strong>, equivalente aproximadamente al <strong>13% de la demanda m&#225;xima de un mi&#233;rcoles t&#237;pico de agosto</strong>. El impacto previsto fue limitado porque el eclipse coincid&#237;a con una franja horaria en la que la fotovoltaica empieza normalmente a reducir su producci&#243;n y, adem&#225;s, no coincid&#237;a con la punta de demanda. </p><p>Aun as&#237;, Red El&#233;ctrica aument&#243; las reservas y los m&#225;rgenes de seguridad, reforz&#243; la monitorizaci&#243;n del sistema y coordin&#243; la operaci&#243;n con los centros de control nacionales y con otros TSO europeos. Basta con echar un vistazo a las curvas del sistema el&#233;ctrico para comprobar c&#243;mo se prepararon.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!F0qE!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc2cfa0a7-f8e0-4d4e-af10-3690bb861727_1341x808.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!F0qE!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc2cfa0a7-f8e0-4d4e-af10-3690bb861727_1341x808.png 424w, /__u/substackcdn.com/image/fetch/$s_!F0qE!, /__u/solarletter.substack.com/w_848, 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc2cfa0a7-f8e0-4d4e-af10-3690bb861727_1341x808.png 424w, /__u/substackcdn.com/image/fetch/$s_!F0qE!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc2cfa0a7-f8e0-4d4e-af10-3690bb861727_1341x808.png 848w, /__u/substackcdn.com/image/fetch/$s_!F0qE!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc2cfa0a7-f8e0-4d4e-af10-3690bb861727_1341x808.png 1272w, /__u/substackcdn.com/image/fetch/$s_!F0qE!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc2cfa0a7-f8e0-4d4e-af10-3690bb861727_1341x808.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>El gr&#225;fico anterior muestra la <strong>programaci&#243;n de la demanda el&#233;ctrica</strong>. En &#233;l se aprecia una diferencia muy clara durante las horas solares entre la curva &#8220;<em>programada</em>&#8221; (curva roja) y la &#8220;<em>programada total</em>&#8221; (curva naranja). Esa separaci&#243;n corresponde a la generaci&#243;n del <strong>autoconsumo</strong>, que no necesita programarse porque se produce y consume localmente. Sin embargo, esa diferencia desaparece en los minutos previos al eclipse.</p><p>En horas solares esa diferencia podr&#237;a rondar aproximadamente <strong>una octava parte</strong> <strong>de la electricidad</strong> que est&#225; aportando la fotovoltaica en ese instante. Es un buen recordatorio de que, cuando analizamos el comportamiento del sistema, no toda la generaci&#243;n fotovoltaica pasa necesariamente por los mercados o por la programaci&#243;n convencional.</p><p>Si comparamos adem&#225;s las curvas de generaci&#243;n fotovoltaica del <strong>11 de agosto</strong> y del <strong>12 de agosto</strong>, el efecto del eclipse resulta todav&#237;a m&#225;s evidente. En las capturas tomadas a las <strong>20:30</strong>, la fotovoltaica pasaba de <strong>5.284 MW</strong> el d&#237;a 11 a solo <strong>593 MW</strong> el d&#237;a 12. Es decir, una generaci&#243;n <strong>casi nueve veces menor</strong>. La forma de la curva tambi&#233;n deja entrever esa anomal&#237;a, con una producci&#243;n que cae antes de lo previsto.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!uBPx!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0dcd4c69-de17-4bf3-bb57-b083985bfb6e_723x580.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!uBPx!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0dcd4c69-de17-4bf3-bb57-b083985bfb6e_723x580.png 424w, /__u/substackcdn.com/image/fetch/$s_!uBPx!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0dcd4c69-de17-4bf3-bb57-b083985bfb6e_723x580.png 848w, /__u/substackcdn.com/image/fetch/$s_!uBPx!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0dcd4c69-de17-4bf3-bb57-b083985bfb6e_723x580.png 1272w, /__u/substackcdn.com/image/fetch/$s_!uBPx!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0dcd4c69-de17-4bf3-bb57-b083985bfb6e_723x580.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!uBPx!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0dcd4c69-de17-4bf3-bb57-b083985bfb6e_723x580.png" width="723" height="580" 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0dcd4c69-de17-4bf3-bb57-b083985bfb6e_723x580.png 424w, /__u/substackcdn.com/image/fetch/$s_!uBPx!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0dcd4c69-de17-4bf3-bb57-b083985bfb6e_723x580.png 848w, /__u/substackcdn.com/image/fetch/$s_!uBPx!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0dcd4c69-de17-4bf3-bb57-b083985bfb6e_723x580.png 1272w, /__u/substackcdn.com/image/fetch/$s_!uBPx!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0dcd4c69-de17-4bf3-bb57-b083985bfb6e_723x580.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Eso s&#237;, conviene recordar que los datos mostrados en estas gr&#225;ficas est&#225;n en intervalos de 5 minutos. Ser&#237;a todav&#237;a m&#225;s interesante disponer de la resoluci&#243;n minuto a minuto, para ver con m&#225;s detalle c&#243;mo evolucion&#243; realmente la ca&#237;da de potencia. Tambi&#233;n ser&#237;a interesante observar c&#243;mo reaccionaron los MPPT de los inversores. </p><p>Este tipo de eventos sirven como experimento para entender mejor el comportamiento din&#225;mico de la fotovoltaica dentro del sistema el&#233;ctrico.</p><h4>_</h4><h4>Alemania vuelve a batir su r&#233;cord de almacenamiento con bater&#237;as</h4><p>Hoy nos acemos eco de la noticia compartida por <a href="https://www.cleanthinking.de/batteriespeicher-merseburg/">cleanthinking</a> y del nuevo r&#233;cord que bate <a href="https://muench-energie.de/">M&#252;nch Energie</a>. Estos han puesto en marcha cerca de Merseburg, en Sajonia-Anhalt, el que seg&#250;n la propia compa&#241;&#237;a es actualmente <strong>el mayor sistema de almacenamiento con bater&#237;as en operaci&#243;n en Alemania</strong>. </p><p>El proyecto est&#225; formado por cinco instalaciones que suman <strong>250 MW de potencia y unos 500 MWh de capacidad</strong>, aunque est&#225; previsto ampliarlo hasta los <strong>800 MWh antes de finalizar 2026</strong>. Con ello, su duraci&#243;n pasar&#237;a de unas dos horas a aproximadamente 3,2 horas a plena potencia.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!7lpa!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F46f26364-0758-4b48-96fa-e69cedbd3a44_800x600.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!7lpa!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F46f26364-0758-4b48-96fa-e69cedbd3a44_800x600.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!7lpa!, /__u/solarletter.substack.com/w_848, 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/__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F46f26364-0758-4b48-96fa-e69cedbd3a44_800x600.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!7lpa!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F46f26364-0758-4b48-96fa-e69cedbd3a44_800x600.jpeg" width="800" height="600" 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/__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F46f26364-0758-4b48-96fa-e69cedbd3a44_800x600.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!7lpa!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F46f26364-0758-4b48-96fa-e69cedbd3a44_800x600.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!7lpa!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F46f26364-0758-4b48-96fa-e69cedbd3a44_800x600.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!7lpa!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F46f26364-0758-4b48-96fa-e69cedbd3a44_800x600.jpeg 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Uno de los datos que m&#225;s llama la atenci&#243;n es el tiempo de construcci&#243;n: <strong>apenas seis meses</strong>. El proyecto ha sido financiado &#237;ntegramente de forma privada y sin ayudas p&#250;blicas. </p><p>En la <a href="/__u/solarletter.substack.com/i/168381875/alemania-pone-en-marcha-su-mayor-bateria">Solarletter #26</a> ya comentamos que Alemania acababa de poner en marcha en Bollingstedt la que entonces era su mayor bater&#237;a, con <strong>239 MWh de capacidad</strong>. Ya entonces apunt&#225;bamos que ese r&#233;cord probablemente durar&#237;a poco. Apenas un a&#241;o despu&#233;s, Merseburg pr&#225;cticamente duplica esa cifra. Una buena muestra de la velocidad a la que est&#225; creciendo el mercado BESS alem&#225;n.</p><p>El ejemplo sirve tambi&#233;n para entender el papel que empiezan a jugar las bater&#237;as en el sistema alem&#225;n. El propio art&#237;culo recuerda lo ocurrido el 5 de agosto: al <strong>mediod&#237;a</strong>, con abundante producci&#243;n e&#243;lica y solar, el precio el&#233;ctrico cay&#243; hasta <strong>-0,04 &#8364;/MWh</strong>, mientras que a las <strong>21:00</strong> alcanz&#243; los <strong>203,74 &#8364;/MWh</strong>. </p><p>Precisamente en esa diferencia de precios durante el mismo d&#237;a es donde est&#225; una de las grandes oportunidades del almacenamiento: absorber energ&#237;a en las horas de exceso de generaci&#243;n renovable y desplazarla hacia las horas de mayor demanda y precio.</p><h4>_</h4><h4><strong>Sungrow suministra los inversores para el mayor proyecto fotovoltaico de Europa</strong></h4><p>De r&#233;cords va la cosa en esta edici&#243;n. Si en la noticia anterior habl&#225;bamos del mayor sistema de almacenamiento en operaci&#243;n de Alemania, ahora nos vamos a Polonia, donde <strong><a href="https://goldbecksolar.com/en/goldbeck-solar-polska-signed-the-contract-to-build-europes-largest-solar-farm-in-poland/">Goldbeck Solar</a> firm&#243; en marzo el contrato para construir el que ser&#225;, seg&#250;n la compa&#241;&#237;a, el mayor proyecto fotovoltaico de Europa</strong>, con una potencia instalada de <strong>722 MWp</strong>. El complejo estar&#225; situado en Pomerania Occidental y estar&#225; formado por tres plantas: <strong>Sid&#322;owo, con 290 MWp; Kikowo, con 235 MWp; y Dobrowo, con 197 MWp</strong>. </p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!yQau!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6faa474-08f1-4dce-bd0b-368901be49a3_912x561.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!yQau!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6faa474-08f1-4dce-bd0b-368901be49a3_912x561.png 424w, /__u/substackcdn.com/image/fetch/$s_!yQau!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6faa474-08f1-4dce-bd0b-368901be49a3_912x561.png 848w, /__u/substackcdn.com/image/fetch/$s_!yQau!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6faa474-08f1-4dce-bd0b-368901be49a3_912x561.png 1272w, /__u/substackcdn.com/image/fetch/$s_!yQau!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6faa474-08f1-4dce-bd0b-368901be49a3_912x561.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!yQau!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6faa474-08f1-4dce-bd0b-368901be49a3_912x561.png" width="508" height="312.4868421052632" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/e6faa474-08f1-4dce-bd0b-368901be49a3_912x561.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:561,&quot;width&quot;:912,&quot;resizeWidth&quot;:508,&quot;bytes&quot;:74978,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/211524791?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6faa474-08f1-4dce-bd0b-368901be49a3_912x561.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="/__u/substackcdn.com/image/fetch/$s_!yQau!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6faa474-08f1-4dce-bd0b-368901be49a3_912x561.png 424w, /__u/substackcdn.com/image/fetch/$s_!yQau!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6faa474-08f1-4dce-bd0b-368901be49a3_912x561.png 848w, /__u/substackcdn.com/image/fetch/$s_!yQau!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6faa474-08f1-4dce-bd0b-368901be49a3_912x561.png 1272w, /__u/substackcdn.com/image/fetch/$s_!yQau!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6faa474-08f1-4dce-bd0b-368901be49a3_912x561.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Adem&#225;s, ser&#225; la <strong>primera </strong>gran instalaci&#243;n fotovoltaica de Polonia <strong>conectada</strong> directamente a la red de transporte de <strong>400 kV de <a href="https://raport.pse.pl/en/pse-and-the-environment/pse-as-transmission-system-operator">PSE</a></strong>.</p><p><strong>Goldbeck asume todo el alcance</strong> <strong>EPC del proyecto</strong>: ingenier&#237;a, compra de equipos y construcci&#243;n de las tres plantas, las subestaciones de alta y media tensi&#243;n, las rutas de cableado de alta tensi&#243;n y toda la infraestructura necesaria para la conexi&#243;n a red, incluida la <strong>subestaci&#243;n intermedia de 400/110 kV</strong>. Hasta ahora, el mayor parque fotovoltaico de Europa era Witznitz, al sur de Leipzig, con <strong>650 MW</strong>, por lo que el nuevo complejo polaco elevar&#225; un poco m&#225;s el list&#243;n.</p><p>Para los inversores tal y como comentan el <a href="https://www.solarserver.de/2026/08/12/sungrow-beliefert-groesstes-photovoltaik-projekt-europas-mit-photovoltaik-wechselrichtern/">Solarserver</a>, Goldbeck ha seleccionado a <a href="https://www.sungrowpower.com/en?utm_source=google&amp;utm_medium=pmax&amp;utm_campaign=pmax_eu_powerkeeper_au_test&amp;utm_term=&amp;utm_content=extreme_test&amp;gad_source=1&amp;gad_campaignid=23943304706&amp;gbraid=0AAAAA9_ap8otP7bLCJLELhzRnPVWL99r_&amp;gclid=CjwKCAjwhZDUBhBGEiwAbi5bjmrFvgQT7NrPpR7Yp6M-nv0TahDaLIoJHN5QYuzO9bYFPN6zZFj9nhoCSt8QAvD_BwE">Sungrow</a>, que suministrar&#225; sus soluciones modulares 1+X junto con estaciones de media tensi&#243;n SG6600UD-MV y SG8800UD-MV. Adem&#225;s, ambas compa&#241;&#237;as han firmado un acuerdo marco independiente para el suministro de <strong>1 GWh de sistemas de almacenamiento con bater&#237;as</strong>.</p><p>Polonia, hist&#243;ricamente muy ligada al carb&#243;n, sigue acelerando as&#237; su transici&#243;n energ&#233;tica y empieza tambi&#233;n a hacerse un hueco entre los grandes mercados fotovoltaicos europeos.</p><h4>_</h4><h4>Los precios de los m&#243;dulos pisan el freno</h4><p>En la <a href="/__u/solarletter.substack.com/i/209624177/la-industria-fotovoltaica-china-continua-atrapada-en-los-numeros-rojos">Solarletter #34</a> ya comentamos c&#243;mo, despu&#233;s de a&#241;os de ca&#237;das, los precios de los m&#243;dulos fotovoltaicos hab&#237;an vuelto a subir de forma sostenida durante los primeros meses de 2026. El &#250;ltimo <strong>Price Index de <a href="https://www.pvxchange.com/Price-Index">pvXchange</a></strong>, correspondiente a julio, muestra ahora que esa tendencia empieza a estabilizarse. Los precios se han mantenido pr&#225;cticamente planos en la mayor&#237;a de categor&#237;as y, en el caso de los m&#243;dulos High Efficiency, incluso han retrocedido un <strong>3,3% respecto a junio</strong>.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!U1PB!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdbb92a6e-2c96-4eca-aa48-3386f1933379_807x397.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!U1PB!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdbb92a6e-2c96-4eca-aa48-3386f1933379_807x397.png 424w, /__u/substackcdn.com/image/fetch/$s_!U1PB!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdbb92a6e-2c96-4eca-aa48-3386f1933379_807x397.png 848w, /__u/substackcdn.com/image/fetch/$s_!U1PB!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdbb92a6e-2c96-4eca-aa48-3386f1933379_807x397.png 1272w, /__u/substackcdn.com/image/fetch/$s_!U1PB!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdbb92a6e-2c96-4eca-aa48-3386f1933379_807x397.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!U1PB!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdbb92a6e-2c96-4eca-aa48-3386f1933379_807x397.png" width="807" height="397" 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdbb92a6e-2c96-4eca-aa48-3386f1933379_807x397.png 424w, /__u/substackcdn.com/image/fetch/$s_!U1PB!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdbb92a6e-2c96-4eca-aa48-3386f1933379_807x397.png 848w, /__u/substackcdn.com/image/fetch/$s_!U1PB!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdbb92a6e-2c96-4eca-aa48-3386f1933379_807x397.png 1272w, /__u/substackcdn.com/image/fetch/$s_!U1PB!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdbb92a6e-2c96-4eca-aa48-3386f1933379_807x397.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Eso s&#237;, si ampliamos la perspectiva hasta comienzos de a&#241;o, el cambio sigue siendo considerable. Desde enero, los m&#243;dulos <strong>High Efficiency acumulan una subida del 26,1%</strong>, los Full Black del 23,1%, los Mainstream del 28,6% y los Low Cost nada menos que del 36,4%.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!verc!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F820fddfd-ad92-462c-a357-2a1e80fa0bbd_826x297.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!verc!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F820fddfd-ad92-462c-a357-2a1e80fa0bbd_826x297.png 424w, 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F820fddfd-ad92-462c-a357-2a1e80fa0bbd_826x297.png 424w, /__u/substackcdn.com/image/fetch/$s_!verc!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F820fddfd-ad92-462c-a357-2a1e80fa0bbd_826x297.png 848w, /__u/substackcdn.com/image/fetch/$s_!verc!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F820fddfd-ad92-462c-a357-2a1e80fa0bbd_826x297.png 1272w, /__u/substackcdn.com/image/fetch/$s_!verc!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F820fddfd-ad92-462c-a357-2a1e80fa0bbd_826x297.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Seg&#250;n <a href="https://www.linkedin.com/in/martin-schachinger-solar/">Martin Schachinger</a>, fundador de pvXchange, la disponibilidad de m&#243;dulos ha vuelto a mejorar en pr&#225;cticamente todas las categor&#237;as y <strong>no se esperan nuevas subidas importantes este a&#241;o para los m&#243;dulos TOPCon</strong>. De hecho, sus precios ya muestran cierta tendencia a la baja. La excepci&#243;n podr&#237;an ser los m&#243;dulos de <em>Back Contact</em>, donde la fuerte demanda y una oferta todav&#237;a limitada est&#225;n manteniendo los precios m&#225;s firmes. </p><div class="pullquote"><p>Despu&#233;s de la r&#225;pida subida de comienzos de a&#241;o, parece que el mercado empieza a buscar de nuevo un punto de equilibrio.</p></div><h4>_</h4><h4><strong>El consejillo de la edici&#243;n</strong></h4><p>En los proyectos fotovoltaicos <em>ground-mounted</em>, antes de empezar a hincar miles de perfiles en el terreno conviene comprobar una cosa bastante b&#225;sica: <strong>que el suelo realmente los va a sujetar como esperamos</strong>. Para eso se realizan los llamados <em><strong>pull-out tests</strong></em>, unos ensayos de campo que permiten <strong>comprobar c&#243;mo responde el terreno frente a las cargas</strong> que deber&#225;n soportar m&#225;s tarde las hincas de la estructura.</p><p>El procedimiento consiste normalmente en instalar varios perfiles de prueba con la misma secci&#243;n y m&#233;todo de hincado previstos para el proyecto y someterlos despu&#233;s a diferentes cargas. La m&#225;s conocida es la <strong>carga vertical de extracci&#243;n, tirando del perfil hacia arriba</strong> hasta un determinado valor o hasta alcanzar un desplazamiento l&#237;mite. En funci&#243;n del dise&#241;o tambi&#233;n pueden realizarse ensayos de <strong>compresi&#243;n y carga lateral</strong>, ya que durante la vida &#250;til de la planta las estructuras estar&#225;n sometidas principalmente a las acciones del viento y, en algunos casos, de la nieve.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!CpEr!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9b8f85ab-e453-4e0d-a89c-8d145424c3de_1217x617.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!CpEr!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, 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/__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9b8f85ab-e453-4e0d-a89c-8d145424c3de_1217x617.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!CpEr!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9b8f85ab-e453-4e0d-a89c-8d145424c3de_1217x617.png" width="1217" height="617" 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9b8f85ab-e453-4e0d-a89c-8d145424c3de_1217x617.png 424w, /__u/substackcdn.com/image/fetch/$s_!CpEr!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9b8f85ab-e453-4e0d-a89c-8d145424c3de_1217x617.png 848w, /__u/substackcdn.com/image/fetch/$s_!CpEr!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9b8f85ab-e453-4e0d-a89c-8d145424c3de_1217x617.png 1272w, /__u/substackcdn.com/image/fetch/$s_!CpEr!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9b8f85ab-e453-4e0d-a89c-8d145424c3de_1217x617.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Estos ensayos sirven para validar las hip&#243;tesis del estudio geot&#233;cnico y, sobre todo, para definir par&#225;metros tan importantes como la <strong>profundidad de hincado</strong>, el tipo de perfil o incluso la soluci&#243;n de cimentaci&#243;n. Adem&#225;s, <strong>permiten detectar zonas problem&#225;ticas con roca</strong>, terrenos muy blandos o estratos con comportamientos diferentes antes de comenzar la instalaci&#243;n masiva.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!-sei!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe2c3c1d3-a4ad-4ae4-aa0f-dd1604311bd3_924x1765.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!-sei!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe2c3c1d3-a4ad-4ae4-aa0f-dd1604311bd3_924x1765.jpeg 424w, 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aqu&#237; est&#225; la parte importante: un pull-out test no consiste simplemente en comprobar si &#8220;el poste sale o no sale&#8221;. Lo interesante es registrar la relaci&#243;n entre <strong>carga y desplazamiento</strong> y comprobar que la estructura cumple los criterios definidos por el ingeniero que ha realizado el c&#225;lculo est&#225;tico. </p><p>Durante la construcci&#243;n de la obra, permite hacer controles aleatorios o incluso verificar aquellas hincas problem&#225;ticas que hayan podido dar con una roca. </p><p>Un ensayo relativamente sencillo que puede evitar muchos sustos y problemas que puedan acabar afectando negativamente al coste y cronogr&#225;ma del proyecto.</p><div><hr></div><p>Hasta aqu&#237; la edici&#243;n. Espero que os haya gustado y amenizado el caf&#233;, el viaje en transporte p&#250;blico o inicio de la siesta. <strong>Cualquier sugerencia, recomendaci&#243;n o comentario pod&#233;is responder a este mismo correo</strong>.</p><p>Si te ha gustado, ay&#250;dame a darle un segundo empuj&#243;n <strong>comparti&#233;ndolo en tus redes sociales, con tus amigos o compa&#241;eros de trabajo</strong>. Y si no te ha gustado, te pido disculpas, pero no se aceptan devoluciones.</p><div class="captioned-button-wrap" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-35_es-la-huella-del-eclipse?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="CaptionedButtonToDOM"><div class="preamble"><p class="cta-caption">Thank you for reading Solarletter. This post is public so feel free to share it.</p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-35_es-la-huella-del-eclipse?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-35_es-la-huella-del-eclipse?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/subscribe"><span>Subscribe now</span></a></p><p>&#161;Saludos solares!</p>]]></content:encoded></item><item><title><![CDATA[Solarletter #35_EN - The Impact of the Solar Eclipse on Spanish Photovoltaics]]></title><description><![CDATA[Also: Germany Breaks Its Battery Storage Record Once Again, Sungrow Supplies Inverters for Europe&#8217;s Largest Photovoltaic Project and Module Prices Hit the Brakes]]></description><link>https://solarletter.substack.com/p/solarletter-35_en-the-impact-of-the</link><guid isPermaLink="false">https://solarletter.substack.com/p/solarletter-35_en-the-impact-of-the</guid><dc:creator><![CDATA[Imanol Matanza Medina]]></dc:creator><pubDate>Wed, 19 Aug 2026 08:00:38 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!lz0e!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa0865840-0d9d-472d-a114-08fde3089bae_1672x941.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="pullquote"><p>Please note that text below has been translated from the spanish version by using AI</p></div><p>Hello everyone and welcome back to Solarletter. My name is Imanol Matanza, and I aim to share with you the <strong>latest news, technological advancements, and trends in the field of photovoltaic energy</strong>. Through Solarletter, I hope to provide you with <strong>valuable information, market analysis, state-of-the-art updates, and practical tips</strong> that will help you stay informed about the latest developments in the photovoltaic industry.</p><h3 style="text-align: center;">A new chapter: BIKenergy GmbH</h3><p>After several years working across different stages of utility-scale renewable energy projects, I&#8217;m very happy to share a new step:</p><div class="callout-block" data-callout="true"><p style="text-align: center;"><strong>BIKenergy GmbH is now officially up and running.</strong></p></div><p>The idea behind <a href="https://bikenergy.de/">BIKenergy</a> is simple: bring together practical experience from engineering, construction and project delivery under one roof, with a strong focus on the German market.</p><p>We support developers, EPC contractors, investors and asset owners in utility-scale Solar PV and Battery Energy Storage projects with four core services:</p><ul><li><p><strong>Engineering Services: </strong>From concept design to as-built documentation, including electrical design, layouts, calculations, project-specific documentation and grid connection coordination.</p></li><li><p><strong>Construction Services: </strong>Civil, mechanical and AC/DC electrical works, together with testing, commissioning and handover support.</p></li><li><p><strong>Site Management: </strong>HSE, quality control, subcontractor coordination, progress monitoring and on-site supervision to keep projects safe, efficient and on schedule.</p></li><li><p><strong>Project Management: </strong>Scope, schedule, cost, risk, procurement and stakeholder management from development through construction and final handover.</p></li></ul><p>Our goal is not to become another project developer or EPC competing for assets. We want to be the <strong>trusted technical and execution partner</strong> that helps projects move forward reliably in Germany.</p><p>You can take a look at the new website here: <a href="https://bikenergy.de/">BIKenergy</a></p><blockquote><p><em>Are you currently looking for a reliable partner for your Solar PV or BESS project in Germany?</em></p></blockquote><p>If yes, let&#8217;s have a short call and see where BIKenergy could support your project.</p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://outlook.office.com/bookwithme/user/76d65f1305044d86bf5e87deb088487d@bikenergy.de/meetingtype/DCCaPngYBkuKLowq7SZFBg2?anonymous&amp;ismsaljsauthenabled&amp;ep=mlink&quot;,&quot;text&quot;:&quot;Book a meeting&quot;,&quot;action&quot;:null,&quot;class&quot;:&quot;button-wrapper&quot;}" data-component-name="ButtonCreateButton"><a class="button primary button-wrapper" 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y2="14"></line></svg></button></div></div></div></a></figure></div><div><hr></div><p>Now yes, let us go back to the Solarletter.</p><p>If you do not want to miss future editions, I leave a link here:</p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/subscribe"><span>Subscribe now</span></a></p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-35_en-the-impact-of-the?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-35_en-the-impact-of-the?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p><p>I am always open to suggestions, questions, and comments, so please feel free to contact me. If you like it, don't hesitate to subscribe and share!</p><p>Alright, let us go with a couple of interesting pieces of news!</p><div><hr></div><h4><strong>The Impact of the Solar Eclipse on Spanish Photovoltaics</strong></h4><p>On <strong>12 August</strong>, <strong>the solar eclipse also made its presence felt in the Spanish electricity system</strong>. Beyond the astronomical curiosity, events like this provide a very visual demonstration of just how significant photovoltaics have become in electricity generation.</p><p><a href="https://www.ree.es/es/sala-de-prensa/actualidad/nota-de-prensa/2026/08/eclipse-solar-medidas-preventivas-para-un-impacto-limitado-en-la-generacion-solar">Red El&#233;ctrica de Espa&#241;a</a> (REE) had already prepared the system for this scenario. In the days leading up to the eclipse, the system operator estimated a <strong>maximum reduction of around 5 GW in solar generation on the Spanish mainland</strong>, equivalent to approximately <strong>13% of the peak demand of a typical Wednesday in August</strong>. The expected impact was limited because the eclipse coincided with a period when photovoltaic generation normally begins to decline and, moreover, did not coincide with peak electricity demand.</p><p>Nevertheless, Red El&#233;ctrica increased reserves and security margins, reinforced system monitoring, and coordinated operations with national control centres and other European TSOs. A quick look at the electricity system curves is enough to see how the system was prepared.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!6GeG!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F92f0e999-2219-4d5b-82ea-28375b79bfc0_1338x844.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!6GeG!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F92f0e999-2219-4d5b-82ea-28375b79bfc0_1338x844.png 424w, /__u/substackcdn.com/image/fetch/$s_!6GeG!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F92f0e999-2219-4d5b-82ea-28375b79bfc0_1338x844.png 848w, /__u/substackcdn.com/image/fetch/$s_!6GeG!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F92f0e999-2219-4d5b-82ea-28375b79bfc0_1338x844.png 1272w, /__u/substackcdn.com/image/fetch/$s_!6GeG!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F92f0e999-2219-4d5b-82ea-28375b79bfc0_1338x844.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!6GeG!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F92f0e999-2219-4d5b-82ea-28375b79bfc0_1338x844.png" width="1338" height="844" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/92f0e999-2219-4d5b-82ea-28375b79bfc0_1338x844.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:844,&quot;width&quot;:1338,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:135833,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:&quot;&quot;,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/211524791?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F92f0e999-2219-4d5b-82ea-28375b79bfc0_1338x844.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" title="" srcset="/__u/substackcdn.com/image/fetch/$s_!6GeG!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F92f0e999-2219-4d5b-82ea-28375b79bfc0_1338x844.png 424w, /__u/substackcdn.com/image/fetch/$s_!6GeG!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F92f0e999-2219-4d5b-82ea-28375b79bfc0_1338x844.png 848w, /__u/substackcdn.com/image/fetch/$s_!6GeG!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F92f0e999-2219-4d5b-82ea-28375b79bfc0_1338x844.png 1272w, /__u/substackcdn.com/image/fetch/$s_!6GeG!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F92f0e999-2219-4d5b-82ea-28375b79bfc0_1338x844.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>The chart above shows the <strong>scheduled electricity demand</strong>. During solar hours, there is a very clear difference between the &#8220;<em>scheduled</em>&#8220; curve (red) and the &#8220;<em>total scheduled</em>&#8220; curve (orange). This gap corresponds to <strong>self-consumption generation</strong>, which does not need to be scheduled because it is generated and consumed locally. However, this difference disappears in the minutes leading up to the eclipse.</p><p>During solar hours, this difference could represent approximately <strong>one eighth of the electricity</strong> being supplied by photovoltaics at that moment. It is a good reminder that, when analysing the behaviour of the electricity system, not all photovoltaic generation necessarily passes through the markets or conventional scheduling mechanisms.</p><p>If we also compare the photovoltaic generation curves for <strong>11 August</strong> and <strong>12 August</strong>, the effect of the eclipse becomes even more evident. In the screenshots taken at <strong>20:30</strong>, photovoltaic generation fell from <strong>5,284 MW</strong> on 11 August to just <strong>593 MW</strong> on 12 August. In other words, generation was <strong>almost nine times lower</strong>. The shape of the curve also reveals the anomaly, with production falling earlier than expected.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!uBPx!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0dcd4c69-de17-4bf3-bb57-b083985bfb6e_723x580.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!uBPx!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0dcd4c69-de17-4bf3-bb57-b083985bfb6e_723x580.png 424w, /__u/substackcdn.com/image/fetch/$s_!uBPx!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0dcd4c69-de17-4bf3-bb57-b083985bfb6e_723x580.png 848w, /__u/substackcdn.com/image/fetch/$s_!uBPx!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0dcd4c69-de17-4bf3-bb57-b083985bfb6e_723x580.png 1272w, /__u/substackcdn.com/image/fetch/$s_!uBPx!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0dcd4c69-de17-4bf3-bb57-b083985bfb6e_723x580.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!uBPx!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0dcd4c69-de17-4bf3-bb57-b083985bfb6e_723x580.png" width="723" height="580" 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0dcd4c69-de17-4bf3-bb57-b083985bfb6e_723x580.png 424w, /__u/substackcdn.com/image/fetch/$s_!uBPx!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0dcd4c69-de17-4bf3-bb57-b083985bfb6e_723x580.png 848w, /__u/substackcdn.com/image/fetch/$s_!uBPx!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0dcd4c69-de17-4bf3-bb57-b083985bfb6e_723x580.png 1272w, /__u/substackcdn.com/image/fetch/$s_!uBPx!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0dcd4c69-de17-4bf3-bb57-b083985bfb6e_723x580.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>However, it is worth remembering that the data shown in these charts are provided in <strong>5-minute intervals</strong>. It would be even more interesting to have minute-by-minute data to analyse in greater detail how the power reduction actually developed. It would also be interesting to observe how the <strong>inverter MPPTs reacted</strong>.</p><p>Events like this provide a real-world experiment for better understanding the <strong>dynamic behaviour of photovoltaics within the electricity system</strong>.</p><h4>_</h4><h4>Germany Breaks Its Battery Storage Record Once Again</h4><p>Today we highlight a story shared by <a href="https://www.cleanthinking.de/batteriespeicher-merseburg/">cleanthinking</a> and a new record achieved by <a href="https://muench-energie.de/">M&#252;nch Energie</a>. Near Merseburg, in Saxony-Anhalt, the company has commissioned what it describes as <strong>the largest battery storage system currently in operation in Germany</strong>.</p><p>The project consists of five installations with a combined output of <strong>250 MW and around 500 MWh of storage capacity</strong>, although an expansion to <strong>800 MWh is planned before the end of 2026</strong>. This would increase the duration from around two hours to approximately 3.2 hours at full power.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!7lpa!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F46f26364-0758-4b48-96fa-e69cedbd3a44_800x600.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!7lpa!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F46f26364-0758-4b48-96fa-e69cedbd3a44_800x600.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!7lpa!, /__u/solarletter.substack.com/w_848, 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/__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F46f26364-0758-4b48-96fa-e69cedbd3a44_800x600.jpeg 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>One of the most striking figures is the construction time: <strong>just six months</strong>. The project was financed entirely through private capital and without public subsidies.</p><p>In <a href="/__u/solarletter.substack.com/i/168387694/germany-commissions-its-largest-battery">Solarletter #26</a>, we already discussed how Germany had commissioned what was then its largest battery system in Bollingstedt, with <strong>239 MWh of capacity</strong>. At the time, we already suggested that the record would probably not last long. Barely a year later, Merseburg has almost doubled that figure. It is a good example of how quickly the German BESS market is growing.</p><p>The project also helps illustrate the role that batteries are beginning to play in the German electricity system. The article itself recalls what happened on 5 August: at <strong>midday</strong>, with abundant wind and solar generation, the electricity price fell to <strong>-&#8364;0.04/MWh</strong>, while at <strong>21:00</strong> it reached <strong>&#8364;203.74/MWh</strong>.</p><p>It is precisely this difference in prices within the same day that creates one of the major opportunities for storage: <strong>absorbing energy during periods of excess renewable generation and shifting it to hours of higher demand and higher prices</strong>.</p><h4>_</h4><h4><strong>Sungrow Supplies Inverters for Europe&#8217;s Largest Photovoltaic Project</strong></h4><p>This edition seems to be all about records. If the previous story covered Germany&#8217;s largest battery storage system currently in operation, we now move to Poland, where <strong><a href="https://goldbecksolar.com/en/goldbeck-solar-polska-signed-the-contract-to-build-europes-largest-solar-farm-in-poland/">Goldbeck Solar</a></strong> <strong>signed a contract in March to build what the company describes as Europe&#8217;s largest photovoltaic project</strong>, with an installed capacity of <strong>722 MWp</strong>. The complex will be located in Western Pomerania and will consist of three plants: <strong>Sid&#322;owo, with 290 MWp; Kikowo, with 235 MWp; and Dobrowo, with 197 MWp</strong>.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!yQau!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6faa474-08f1-4dce-bd0b-368901be49a3_912x561.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!yQau!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6faa474-08f1-4dce-bd0b-368901be49a3_912x561.png 424w, /__u/substackcdn.com/image/fetch/$s_!yQau!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6faa474-08f1-4dce-bd0b-368901be49a3_912x561.png 848w, /__u/substackcdn.com/image/fetch/$s_!yQau!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6faa474-08f1-4dce-bd0b-368901be49a3_912x561.png 1272w, /__u/substackcdn.com/image/fetch/$s_!yQau!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6faa474-08f1-4dce-bd0b-368901be49a3_912x561.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!yQau!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6faa474-08f1-4dce-bd0b-368901be49a3_912x561.png" width="508" height="312.4868421052632" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/e6faa474-08f1-4dce-bd0b-368901be49a3_912x561.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:561,&quot;width&quot;:912,&quot;resizeWidth&quot;:508,&quot;bytes&quot;:74978,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/211524791?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6faa474-08f1-4dce-bd0b-368901be49a3_912x561.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" title="" srcset="/__u/substackcdn.com/image/fetch/$s_!yQau!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6faa474-08f1-4dce-bd0b-368901be49a3_912x561.png 424w, /__u/substackcdn.com/image/fetch/$s_!yQau!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6faa474-08f1-4dce-bd0b-368901be49a3_912x561.png 848w, /__u/substackcdn.com/image/fetch/$s_!yQau!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6faa474-08f1-4dce-bd0b-368901be49a3_912x561.png 1272w, /__u/substackcdn.com/image/fetch/$s_!yQau!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6faa474-08f1-4dce-bd0b-368901be49a3_912x561.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Furthermore, it will be the <strong>first large-scale photovoltaic installation in Poland to be connected directly to <a href="https://raport.pse.pl/en/pse-and-the-environment/pse-as-transmission-system-operator">PSE&#8217;s</a> 400 kV transmission grid</strong>.</p><p><strong>Goldbeck is responsible for the entire EPC scope of the project</strong>, including engineering, equipment procurement, and construction of the three plants, the high- and medium-voltage substations, the high-voltage cable routes, and all infrastructure required for grid connection, including the <strong>400/110 kV intermediate substation</strong>. Until now, Europe&#8217;s largest photovoltaic park was Witznitz, south of Leipzig, with <strong>650 MW</strong>, so the new Polish complex will raise the bar even further.</p><p>For the inverters, as reported by <a href="https://www.solarserver.de/2026/08/12/sungrow-beliefert-groesstes-photovoltaik-projekt-europas-mit-photovoltaik-wechselrichtern/">Solarserver</a>, Goldbeck has selected <a href="https://www.sungrowpower.com/en">Sungrow</a>, which will supply its modular <strong>1+X solutions</strong>, together with <strong>SG6600UD-MV and SG8800UD-MV medium-voltage stations</strong>. In addition, the two companies have signed a separate framework agreement for the supply of <strong>1 GWh of battery energy storage systems</strong>.</p><p>Poland, historically heavily dependent on coal, is therefore continuing to accelerate its energy transition and is also beginning to establish itself among Europe&#8217;s major photovoltaic markets.</p><h4>_</h4><h4><strong>Module Prices Hit the Brakes</strong></h4><p>In <a href="/__u/solarletter.substack.com/i/209624163/the-chinese-photovoltaic-industry-remains-deep-in-the-red">Solarletter #34</a>, we already discussed how, after years of declines, photovoltaic module prices had begun to rise steadily again during the first months of 2026. The latest <strong><a href="https://www.pvxchange.com/Price-Index">pvXchange Price Index</a></strong>, corresponding to July, now shows that this trend is starting to stabilise. Prices remained practically flat across most categories and, in the case of <strong>High Efficiency modules</strong>, they even fell by <strong>3.3% compared to June</strong>.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!U1PB!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdbb92a6e-2c96-4eca-aa48-3386f1933379_807x397.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!U1PB!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdbb92a6e-2c96-4eca-aa48-3386f1933379_807x397.png 424w, /__u/substackcdn.com/image/fetch/$s_!U1PB!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdbb92a6e-2c96-4eca-aa48-3386f1933379_807x397.png 848w, /__u/substackcdn.com/image/fetch/$s_!U1PB!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdbb92a6e-2c96-4eca-aa48-3386f1933379_807x397.png 1272w, /__u/substackcdn.com/image/fetch/$s_!U1PB!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdbb92a6e-2c96-4eca-aa48-3386f1933379_807x397.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!U1PB!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdbb92a6e-2c96-4eca-aa48-3386f1933379_807x397.png" width="807" height="397" 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdbb92a6e-2c96-4eca-aa48-3386f1933379_807x397.png 424w, /__u/substackcdn.com/image/fetch/$s_!U1PB!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdbb92a6e-2c96-4eca-aa48-3386f1933379_807x397.png 848w, /__u/substackcdn.com/image/fetch/$s_!U1PB!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdbb92a6e-2c96-4eca-aa48-3386f1933379_807x397.png 1272w, /__u/substackcdn.com/image/fetch/$s_!U1PB!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdbb92a6e-2c96-4eca-aa48-3386f1933379_807x397.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>However, if we broaden the perspective back to the beginning of the year, the change is still significant. Since January, <strong>High Efficiency modules have accumulated a 26.1% increase</strong>, Full Black modules 23.1%, Mainstream modules 28.6%, and Low Cost modules no less than 36.4%.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!verc!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F820fddfd-ad92-462c-a357-2a1e80fa0bbd_826x297.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!verc!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F820fddfd-ad92-462c-a357-2a1e80fa0bbd_826x297.png 424w, /__u/substackcdn.com/image/fetch/$s_!verc!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F820fddfd-ad92-462c-a357-2a1e80fa0bbd_826x297.png 848w, /__u/substackcdn.com/image/fetch/$s_!verc!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F820fddfd-ad92-462c-a357-2a1e80fa0bbd_826x297.png 1272w, /__u/substackcdn.com/image/fetch/$s_!verc!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F820fddfd-ad92-462c-a357-2a1e80fa0bbd_826x297.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!verc!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F820fddfd-ad92-462c-a357-2a1e80fa0bbd_826x297.png" width="826" height="297" 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F820fddfd-ad92-462c-a357-2a1e80fa0bbd_826x297.png 424w, /__u/substackcdn.com/image/fetch/$s_!verc!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F820fddfd-ad92-462c-a357-2a1e80fa0bbd_826x297.png 848w, /__u/substackcdn.com/image/fetch/$s_!verc!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F820fddfd-ad92-462c-a357-2a1e80fa0bbd_826x297.png 1272w, /__u/substackcdn.com/image/fetch/$s_!verc!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F820fddfd-ad92-462c-a357-2a1e80fa0bbd_826x297.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>According to <a href="https://www.linkedin.com/in/martin-schachinger-solar/">Martin Schachinger</a>, founder of pvXchange, module availability has improved again across practically all categories and <strong>no further major price increases are expected this year for TOPCon modules</strong>. In fact, their prices are already showing a slight downward trend. The exception may be <em>Back Contact</em> modules, where strong demand and still-limited supply are keeping prices firmer.</p><div class="pullquote"><p>After the rapid increase seen at the beginning of the year, the market now appears to be searching for a new equilibrium.</p></div><h4>_</h4><h4><strong>Edition&#180;s microtip</strong></h4><p>In <em>ground-mounted</em> photovoltaic projects, before driving thousands of ramming piles into the ground, it is worth checking something quite basic: <strong>whether the soil will actually hold them as expected</strong>. This is where so-called <em><strong>pull-out tests</strong></em> come into play. These field tests make it possible to <strong>assess how the ground responds to the loads</strong> that the driven profiles of the mounting structure will later have to withstand.</p><p>The procedure normally consists of installing several test profiles with the same section and driving method planned for the project and then subjecting them to different loads. The best-known test is the <strong>vertical pull-out load, in which the profile is pulled upwards</strong> until a specified load is reached or until a displacement limit is exceeded. Depending on the design, <strong>compression and lateral load tests</strong> may also be carried out, since during the lifetime of the plant the structures will mainly be subjected to wind loads and, in some cases, snow loads.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!CpEr!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9b8f85ab-e453-4e0d-a89c-8d145424c3de_1217x617.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!CpEr!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9b8f85ab-e453-4e0d-a89c-8d145424c3de_1217x617.png 424w, /__u/substackcdn.com/image/fetch/$s_!CpEr!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9b8f85ab-e453-4e0d-a89c-8d145424c3de_1217x617.png 848w, /__u/substackcdn.com/image/fetch/$s_!CpEr!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9b8f85ab-e453-4e0d-a89c-8d145424c3de_1217x617.png 1272w, /__u/substackcdn.com/image/fetch/$s_!CpEr!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9b8f85ab-e453-4e0d-a89c-8d145424c3de_1217x617.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!CpEr!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9b8f85ab-e453-4e0d-a89c-8d145424c3de_1217x617.png" width="1217" height="617" 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/__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9b8f85ab-e453-4e0d-a89c-8d145424c3de_1217x617.png 424w, /__u/substackcdn.com/image/fetch/$s_!CpEr!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9b8f85ab-e453-4e0d-a89c-8d145424c3de_1217x617.png 848w, /__u/substackcdn.com/image/fetch/$s_!CpEr!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9b8f85ab-e453-4e0d-a89c-8d145424c3de_1217x617.png 1272w, /__u/substackcdn.com/image/fetch/$s_!CpEr!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9b8f85ab-e453-4e0d-a89c-8d145424c3de_1217x617.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>These tests are used to validate the assumptions of the geotechnical study and, above all, to define important parameters such as the <strong>driving depth</strong>, the profile type, or even the foundation solution. They also <strong>help identify problematic areas with rock</strong>, very soft soils, or layers with different behaviour before mass installation begins.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!-sei!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe2c3c1d3-a4ad-4ae4-aa0f-dd1604311bd3_924x1765.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!-sei!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe2c3c1d3-a4ad-4ae4-aa0f-dd1604311bd3_924x1765.jpeg 424w, 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/__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe2c3c1d3-a4ad-4ae4-aa0f-dd1604311bd3_924x1765.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!-sei!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe2c3c1d3-a4ad-4ae4-aa0f-dd1604311bd3_924x1765.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!-sei!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe2c3c1d3-a4ad-4ae4-aa0f-dd1604311bd3_924x1765.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!-sei!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe2c3c1d3-a4ad-4ae4-aa0f-dd1604311bd3_924x1765.jpeg 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>And here is the important part: a pull-out test is not simply about checking whether the post &#8220;comes out or not&#8221;. What matters is recording the <strong>relationship between load and displacement</strong> and verifying that the structure complies with the criteria defined by the engineer responsible for the structural calculations.</p><p>During construction, the tests can also be used for random quality checks or to verify problematic driven profiles that may have encountered rock.</p><p>It is a relatively simple test that can prevent many unpleasant surprises and problems that could negatively affect the project cost and schedule.</p><div><hr></div><p>That concludes the edition. I hope you enjoyed and it made your coffee break, public transportation ride, or nap more enjoyable. <strong>If you have any suggestions, recommendations, or comments, feel free to reply to this email</strong>.</p><p>If you liked it, help me give it a boost by <strong>sharing it on your social media, with your friends, or coworkers</strong>. And if you did not like it, I apologize, but returns are not accepted.</p><div class="captioned-button-wrap" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-35_en-the-impact-of-the?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="CaptionedButtonToDOM"><div class="preamble"><p class="cta-caption">Thank you for reading Solarletter. This post is public so feel free to share it.</p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-35_en-the-impact-of-the?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-35_en-the-impact-of-the?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Abonnieren jetzt&quot;,&quot;action&quot;:null,&quot;class&quot;:&quot;button-wrapper&quot;}" data-component-name="ButtonCreateButton"><a class="button primary button-wrapper" href="/__u/solarletter.substack.com/subscribe"><span>Abonnieren jetzt</span></a></p><p>Sunny Regards!</p>]]></content:encoded></item><item><title><![CDATA[Solarletter #34_ES - Europa podría añadir 25 GW renovables aprovechando las conexiones de las centrales hidroeléctricas]]></title><description><![CDATA[Tambi&#233;n: Europa limita los inversores chinos con fondos europeos, Paiporta: la fotovoltaica flotante da el salto al mar y La industria fotovoltaica china contin&#250;a atrapada en los n&#250;meros rojos]]></description><link>https://solarletter.substack.com/p/solarletter-34_es-europa-podria-anadir</link><guid isPermaLink="false">https://solarletter.substack.com/p/solarletter-34_es-europa-podria-anadir</guid><dc:creator><![CDATA[Imanol Matanza Medina]]></dc:creator><pubDate>Tue, 04 Aug 2026 08:01:35 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!G7Go!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9acc5686-6b42-42c8-9e20-aff022efc4b0_583x318.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<p>Hola a todos y bienvenidos de nuevo a Solarletter. Mi nombre es <a href="https://www.linkedin.com/in/imanol-matanza-medina-305271150/">Imanol Matanza</a> y trato de compartir contigo las <strong>&#250;ltimas noticias, avances tecnol&#243;gicos y tendencias en el campo de la energ&#237;a fotovoltaica</strong>. A trav&#233;s de Solarletter, espero aportarte <strong>informaci&#243;n valiosa, an&#225;lisis de mercado, estado del arte y peque&#241;os consejos pr&#225;cticos</strong> que te ayudar&#225;n a mantenerte al tanto de los desarrollos m&#225;s recientes en la industria fotovoltaica. </p><p>La Solarletter #34 vuelve despu&#233;s de una peque&#241;a pausa por vacaciones, pero regresa cargada de novedades.</p><p>La primera es que ya estamos preparando la segunda parte de la entrevista que realizamos con <a href="https://www.linkedin.com/in/jan-schuka-87b340217/">Jan Schuka</a>, Project Manager de <a href="https://www.pfalzwerke.de/landingpages/waermepumpe-cpc?utm_source=google&amp;utm_medium=cpc&amp;utm_campaign=waermepumpe.b2c-pmax&amp;gad_source=1&amp;gad_campaignid=21161349517&amp;gbraid=0AAAAAon4qjnWHEMQOMCVgmKYna05jgfJh&amp;gclid=Cj0KCQjw-MDTBhCgARIsAKAkdlSB-0lhnf7kkyoz_VGkSHSuuDzfQqQ1Je_ylMtTSyiwLtIbg8jCCf4aAhzUEALw_wcB">Pfalzwerke</a> y responsable del <strong>repowering </strong>del parque fotovoltaico de <strong>Neustadt</strong>. Un proyecto especialmente interesante que ha permitido ampliar la potencia de la instalaci&#243;n <strong>desde los 2 MWp originales hasta los 4,5 MWp</strong>. Os dejo por aqu&#237; el link a <a href="/__u/open.substack.com/pub/solarletter/p/solarletter-30_en-neustadt-ii-the?r=1tk2u9&amp;utm_campaign=post-expanded-share&amp;utm_medium=web">Solarletter #30</a>; la primera parte de la entrevista para quienes todav&#237;a no la hay&#225;is le&#237;do.</p><p>La segunda novedad, y probablemente la que m&#225;s ilusi&#243;n me hace, es que he decidido dar el paso y lanzarme al mundo del emprendimiento. Estamos trabajando en la puesta en marcha de la que queremos que sea vuestra <strong>empresa de confianza para la construcci&#243;n de proyectos fotovoltaicos y sistemas de almacenamiento con bater&#237;as en Alemania</strong>.</p><p>Nuestro objetivo es acompa&#241;ar a los clientes durante las distintas fases del proyecto, ofreciendo <strong>servicios de ingenier&#237;a el&#233;ctrica, construcci&#243;n, Project Management y Site Management</strong>. Un nuevo reto profesional que comienza con mucha ilusi&#243;n, miedo, ganas de trabajar y la ambici&#243;n de aportar experiencia, cercan&#237;a y soluciones fiables al mercado alem&#225;n. En la siguiente edici&#243;n, os cuento un poco m&#225;s.</p><p>Si no os lo quer&#233;is perder, os dejo un link aqu&#237;:</p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/subscribe"><span>Subscribe now</span></a></p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-34_es-europa-podria-anadir?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-34_es-europa-podria-anadir?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p><p>Siempre estoy abierto a sugerencias, preguntas y comentarios, as&#237; que no dudes en contactarme. &#161;Si te gusta, no dudes en subscribirte y compartirla!</p><p>Ahora s&#237;, vamos con un par de noticias interesantes!</p><div><hr></div><h4><strong>Europa podr&#237;a a&#241;adir 25 GW renovables aprovechando las conexiones de las centrales hidroel&#233;ctricas</strong></h4><p>Europa tiene un problema cada vez m&#225;s evidente: quiere instalar cada vez m&#225;s energ&#237;a renovable, pero en la mayor&#237;a de los casos se antepone un <strong>problema: el punto de conexi&#243;n</strong>. </p><p>Seg&#250;n un nuevo <a href="https://ember-energy.org/app/uploads/2026/07/Power-on-tap_-EU-hydro-giants-can-add-25-GW-renewables-without-new-grids-1.pdf">informe de </a><strong><a href="https://ember-energy.org/app/uploads/2026/07/Power-on-tap_-EU-hydro-giants-can-add-25-GW-renewables-without-new-grids-1.pdf">Ember</a></strong>, existe una alternativa que permitir&#237;a ganar tiempo mientras avanzan las ampliaciones de red: <strong>aprovechar las conexiones ya disponibles en las centrales hidroel&#233;ctricas para instalar nueva generaci&#243;n renovable</strong> detr&#225;s del mismo punto de conexi&#243;n.</p><p>El estudio analiza siete de los principales mercados hidroel&#233;ctricos de la Uni&#243;n Europea. <strong>Austria, Bulgaria, Francia, Italia, Portugal, Ruman&#237;a y Espa&#241;a, que re&#250;nen 93 GW de los 131 GW hidroel&#233;ctricos</strong> existentes en el bloque. Ember estima que estos pa&#237;ses podr&#237;an incorporar alrededor de <strong>25 GW adicionales de e&#243;lica y fotovoltaica sin aumentar la capacidad de evacuaci&#243;n</strong> ni alterar significativamente el funcionamiento habitual de las centrales hidroel&#233;ctricas. Esto <strong>permitir&#237;a integrar aproximadamente el 18% de los 138 GW</strong> renovables que estos mercados esperan a&#241;adir entre 2026 y 2030.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!RKxl!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd51ae82-a6fc-4763-8e64-6aefde0ee961_632x604.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!RKxl!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd51ae82-a6fc-4763-8e64-6aefde0ee961_632x604.png 424w, /__u/substackcdn.com/image/fetch/$s_!RKxl!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd51ae82-a6fc-4763-8e64-6aefde0ee961_632x604.png 848w, /__u/substackcdn.com/image/fetch/$s_!RKxl!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd51ae82-a6fc-4763-8e64-6aefde0ee961_632x604.png 1272w, /__u/substackcdn.com/image/fetch/$s_!RKxl!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd51ae82-a6fc-4763-8e64-6aefde0ee961_632x604.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!RKxl!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd51ae82-a6fc-4763-8e64-6aefde0ee961_632x604.png" width="632" height="604" 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd51ae82-a6fc-4763-8e64-6aefde0ee961_632x604.png 424w, /__u/substackcdn.com/image/fetch/$s_!RKxl!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd51ae82-a6fc-4763-8e64-6aefde0ee961_632x604.png 848w, /__u/substackcdn.com/image/fetch/$s_!RKxl!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd51ae82-a6fc-4763-8e64-6aefde0ee961_632x604.png 1272w, /__u/substackcdn.com/image/fetch/$s_!RKxl!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd51ae82-a6fc-4763-8e64-6aefde0ee961_632x604.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>&#191;D&#243;nde est&#225; el truco? En realidad, no hay ninguno. </p><p>Muchas centrales hidroel&#233;ctricas utilizan su conexi&#243;n a red solo durante determinadas horas, especialmente durante los picos de demanda de la ma&#241;ana y la tarde. Analizando el <strong><a href="https://es.wikipedia.org/wiki/Factor_de_planta">factor de capacidad</a> de las instalaciones con embalse o bombeo</strong> se observa, que <strong>de media</strong>, estas operan al <strong>19%</strong> del tiempo de su capacidad m&#225;xima. </p><p>Con simplemente a&#241;adir <strong>fotovoltaica</strong>, la utilizaci&#243;n conjunta de la conexi&#243;n podr&#237;a <strong>elevarse hasta el 31%</strong>, mientras que con <strong>e&#243;lica alcanzar&#237;a el 36%</strong>. En determinados emplazamientos de Espa&#241;a y Francia, donde la conexi&#243;n apenas se utiliza un 7% del a&#241;o, la hibridaci&#243;n permitir&#237;a superar el 25%, triplicando el aprovechamiento de la misma infraestructura.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!9Ctw!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1728acef-1fca-4622-9422-3e908527a5c7_626x600.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!9Ctw!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1728acef-1fca-4622-9422-3e908527a5c7_626x600.png 424w, /__u/substackcdn.com/image/fetch/$s_!9Ctw!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1728acef-1fca-4622-9422-3e908527a5c7_626x600.png 848w, /__u/substackcdn.com/image/fetch/$s_!9Ctw!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1728acef-1fca-4622-9422-3e908527a5c7_626x600.png 1272w, /__u/substackcdn.com/image/fetch/$s_!9Ctw!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1728acef-1fca-4622-9422-3e908527a5c7_626x600.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!9Ctw!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1728acef-1fca-4622-9422-3e908527a5c7_626x600.png" width="626" height="600" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/1728acef-1fca-4622-9422-3e908527a5c7_626x600.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:600,&quot;width&quot;:626,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:187165,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/209624177?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1728acef-1fca-4622-9422-3e908527a5c7_626x600.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" title="" srcset="/__u/substackcdn.com/image/fetch/$s_!9Ctw!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1728acef-1fca-4622-9422-3e908527a5c7_626x600.png 424w, /__u/substackcdn.com/image/fetch/$s_!9Ctw!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1728acef-1fca-4622-9422-3e908527a5c7_626x600.png 848w, /__u/substackcdn.com/image/fetch/$s_!9Ctw!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1728acef-1fca-4622-9422-3e908527a5c7_626x600.png 1272w, /__u/substackcdn.com/image/fetch/$s_!9Ctw!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1728acef-1fca-4622-9422-3e908527a5c7_626x600.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p><strong>La combinaci&#243;n con fotovoltaica resulta especialmente interesante porque sus perfiles de producci&#243;n son complementarios</strong>. Mientras la hidr&#225;ulica suele concentrarse en las primeras y &#250;ltimas horas del d&#237;a, la solar genera principalmente durante las horas centrales. En instalaciones de bombeo, incluso ser&#237;a posible sobredimensionar la planta fotovoltaica y utilizar los excedentes para bombear agua cuando se alcance el l&#237;mite de evacuaci&#243;n, evitando as&#237; parte del curtailment. </p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!QIgc!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa8b68a1a-b7ca-4f42-b7fe-c393d8030179_565x741.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!QIgc!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, 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/__u/substackcdn.com/image/fetch/$s_!QIgc!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa8b68a1a-b7ca-4f42-b7fe-c393d8030179_565x741.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><div class="pullquote"><p>La solar flotante a&#241;ade otras ventajas, como reducir la ocupaci&#243;n de terreno, limitar la evaporaci&#243;n y aprovechar el efecto refrigerante del agua sobre los m&#243;dulos.</p></div><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!DKDQ!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe2746d60-dd6a-41ac-89f0-0fe874e64f71_631x393.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!DKDQ!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe2746d60-dd6a-41ac-89f0-0fe874e64f71_631x393.png 424w, /__u/substackcdn.com/image/fetch/$s_!DKDQ!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe2746d60-dd6a-41ac-89f0-0fe874e64f71_631x393.png 424w, /__u/substackcdn.com/image/fetch/$s_!DKDQ!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe2746d60-dd6a-41ac-89f0-0fe874e64f71_631x393.png 848w, /__u/substackcdn.com/image/fetch/$s_!DKDQ!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe2746d60-dd6a-41ac-89f0-0fe874e64f71_631x393.png 1272w, /__u/substackcdn.com/image/fetch/$s_!DKDQ!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe2746d60-dd6a-41ac-89f0-0fe874e64f71_631x393.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>El potencial, sin embargo, no es id&#233;ntico en todos los pa&#237;ses. <strong>La hibridaci&#243;n podr&#237;a cubrir hasta el 77% de la nueva capacidad renovable prevista en Austria</strong>, pero &#250;nicamente alrededor del 7% en Bulgaria. Ember ha excluido del c&#225;lculo las centrales pr&#243;ximas a espacios protegidos, por lo que solo el 28% de la potencia hidroel&#233;ctrica analizada se consider&#243; finalmente apta para incorporar nuevas instalaciones.</p><p><strong>Espa&#241;a y Portugal</strong> parten con cierta ventaja regulatoria. Son los &#250;nicos pa&#237;ses del estudio que <strong>cuentan con marcos espec&#237;ficos para facilitar proyectos h&#237;bridos</strong>. <a href="/__u/solarletter.substack.com/i/150480445/habemus-legislacion-para-floating-en-espana">Solarletter #19</a>.</p><p>El informe no plantea la hibridaci&#243;n como un sustituto de las inversiones en red, sino como una <strong>soluci&#243;n inmediata para utilizar mejor lo que ya existe</strong>. En un momento en el que Europa afronta un d&#233;ficit de al menos 120 GW entre la capacidad disponible en las redes y el crecimiento renovable previsto hasta 2030, compartir conexiones puede evitar que nuevos proyectos se queden atrapados durante a&#241;os en las colas de acceso.</p><p>Como ya hemos comentado en otras ediciones de la Solarletter, el siguiente gran reto de la transici&#243;n energ&#233;tica no consiste &#250;nicamente en instalar m&#225;s megavatios, sino en encontrar la forma de integrarlos. Y, en ocasiones, parte de la soluci&#243;n puede estar en aprovechar mejor las infraestructuras ya existentes.</p><h4>_</h4><h4>Europa limita los inversores chinos en los proyectos financiados con fondos p&#250;blicos<strong> </strong></h4><p>La Comisi&#243;n Europea ha decidido excluir los inversores fotovoltaicos y los sistemas de conversi&#243;n de potencia para bater&#237;as procedentes de China y de otros pa&#237;ses considerados de alto riesgo en los proyectos de energ&#237;a limpia financiados con fondos europeos. </p><p>Seg&#250;n <a href="https://www.woodmac.com/press-releases/ban-on-inverters-from-high-risk-countries-led-by-china-to-affect-14-of-eu-solar-demand-through-2030/">Wood Mackenzie</a>, esta medida podr&#237;a afectar aproximadamente al <strong>14% de la demanda fotovoltaica prevista en Europa entre 2026 y 2030</strong>, lo que equivale a m&#225;s de <strong>28 GWdc de inversores</strong>. En el caso del almacenamiento, alrededor del <strong>12% de los despliegues previstos</strong> durante ese mismo periodo tambi&#233;n podr&#237;a verse afectado, especialmente los proyectos <em>Utility-Scale</em>.</p><p>La decisi&#243;n busca reducir la elevada dependencia europea de los fabricantes chinos, que en 2025 concentraron m&#225;s del <strong>80% de los env&#237;os de inversores al mercado europeo</strong>. Los pa&#237;ses m&#225;s expuestos ser&#225;n principalmente los de Europa Central y del Este, como Ruman&#237;a, Bulgaria, Chequia, los pa&#237;ses b&#225;lticos y Grecia, donde una mayor parte de los proyectos depende de financiaci&#243;n comunitaria. La Comisi&#243;n tambi&#233;n ha pedido a los Estados miembros que apliquen restricciones similares a los proyectos financiados con presupuestos nacionales, lo que ampliar&#237;a considerablemente el alcance de la medida.</p><p>Aunque los <strong>inversores fabricados en Europa</strong> son sensiblemente m&#225;s caros, Wood Mackenzie estima que e<strong>l aumento sobre el coste total del proyecto se situar&#237;a entre el</strong> <strong>2% y el 8%</strong>, dependiendo del segmento. Sin embargo, el precio no ser&#225; el &#250;nico reto: tambi&#233;n podr&#237;an aparecer problemas de suministro, modificaciones de dise&#241;o y la necesidad de separar sistemas de bater&#237;as e inversores que hasta ahora se compraban como soluciones integradas. </p><p>Por el momento, <strong>cerca del 80% de la demanda europea seguir&#225; fuera de estas restricciones</strong>, pero una futura revisi&#243;n de la <strong>Ley de Ciberseguridad de la UE podr&#237;a extenderlas a todos los inversores y PCS</strong>, independientemente de c&#243;mo se financie el proyecto.</p><blockquote><p>Desde mi punto de vista, es una decisi&#243;n acertada. Si estos proyectos van a financiarse con los impuestos de todos, tiene sentido aprovechar esa inversi&#243;n para dar una oportunidad a los fabricantes europeos, reforzar la cadena de valor local y evitar que Europa siga perdiendo conocimiento tecnol&#243;gico y capacidad industrial.</p></blockquote><p>Europa no es la &#250;nica que est&#225; endureciendo su postura. Poco despu&#233;s, la <em><a href="https://www.fcc.gov/document/fcc-adds-foreign-produced-power-inverters-and-robots-covered-list-0">Federal Communications Commission</a></em>&#8217;s (FCC) de <strong>Estados Unidos incluy&#243; los inversores fabricados en el extranjero en su lista de equipos considerados un riesgo para la seguridad nacional</strong>. A diferencia de la medida europea, centrada en China y otros pa&#237;ses de alto riesgo y limitada inicialmente a proyectos financiados con fondos comunitarios, <strong>la decisi&#243;n estadounidense afecta a cualquier inversor producido fuera del pa&#237;s</strong>, independientemente de la nacionalidad del fabricante. </p><p>Ambas medidas reflejan una misma tendencia: </p><div class="pullquote"><p>Los inversores han dejado de verse &#250;nicamente como componentes el&#233;ctricos y empiezan a considerarse infraestructuras digitales cr&#237;ticas por su conectividad, capacidad de control remoto y posible exposici&#243;n a ciberataques.</p></div><h4>_</h4><h4><strong>Paiporta: la fotovoltaica flotante da el salto al mar</strong></h4><p>La fotovoltaica parece querer seguir a la e&#243;lica <em>offshore</em>. En <a href="/__u/solarletter.substack.com/i/165567902/paneles-donde-menos-lo-esperas-la-revolucion-solar-alternativa">Solarletter #25</a> ya hablamos de c&#243;mo la fotovoltaica se empezaba a echar al mar y de su potencial para aprovechar superficies de agua sin ocupar nuevos terrenos. El proyecto Paiporta de <a href="https://bluenewables.com/">BlueNewables</a> pretende demostrar que la fotovoltaica tambi&#233;n puede encontrar su lugar en puertos y zonas costeras.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!hvHd!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F39878587-e424-4452-8aee-cd8cc2e0baf4_1080x1350.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!hvHd!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F39878587-e424-4452-8aee-cd8cc2e0baf4_1080x1350.jpeg 424w, 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/__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F39878587-e424-4452-8aee-cd8cc2e0baf4_1080x1350.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!hvHd!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F39878587-e424-4452-8aee-cd8cc2e0baf4_1080x1350.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!hvHd!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F39878587-e424-4452-8aee-cd8cc2e0baf4_1080x1350.jpeg 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p><a href="https://bluenewables.com/">BlueNewables </a>ha compartido en <a href="https://www.linkedin.com/posts/paiporta-valencia-paiporta-ugcPost-7483788227762425858-PYgq/?utm_source=share&amp;utm_medium=member_desktop&amp;rcm=ACoAACRYl3UBmt4av1EIUMbYzMyEz_7ILQZgAag">LinkedIn </a>un v&#237;deo de <strong>la primera gran plataforma offshore fotovoltaica</strong> del proyecto <a href="https://reforms-investments.ec.europa.eu/projects/renmarinas-demos-program_en">RENMARINAS</a> en el Puerto de Valencia. El hito supone el paso de un concepto tecnol&#243;gico a una instalaci&#243;n real en el mar, despu&#233;s de varios a&#241;os de desarrollo, ingenier&#237;a y coordinaci&#243;n de un proyecto especialmente complejo.</p><p><strong>La compa&#241;&#237;a se ha encargado</strong> de integrar pr&#225;cticamente toda la cadena del proyecto: <strong>ingenier&#237;a conceptual, b&#225;sica y de detalle, aprovisionamiento y certificaci&#243;n, fabricaci&#243;n, log&#237;stica, transporte mar&#237;timo, fondeo, remolque e instalaci&#243;n offshore</strong>. La plataforma sirve como demostrador de una soluci&#243;n fotovoltaica flotante pensada para entornos marinos.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!G7Go!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9acc5686-6b42-42c8-9e20-aff022efc4b0_583x318.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!G7Go!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9acc5686-6b42-42c8-9e20-aff022efc4b0_583x318.png 424w, /__u/substackcdn.com/image/fetch/$s_!G7Go!, /__u/solarletter.substack.com/w_848, 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9acc5686-6b42-42c8-9e20-aff022efc4b0_583x318.png 424w, /__u/substackcdn.com/image/fetch/$s_!G7Go!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9acc5686-6b42-42c8-9e20-aff022efc4b0_583x318.png 848w, /__u/substackcdn.com/image/fetch/$s_!G7Go!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9acc5686-6b42-42c8-9e20-aff022efc4b0_583x318.png 1272w, /__u/substackcdn.com/image/fetch/$s_!G7Go!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9acc5686-6b42-42c8-9e20-aff022efc4b0_583x318.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Este tipo de instalaciones abre nuevas posibilidades para producir electricidad renovable en puertos industriales, zonas costeras o islas donde la disponibilidad de terreno es limitada. Adem&#225;s, <strong>el proyecto continuar&#225; con una segunda plataforma</strong>, denominada <strong>Catarroja</strong>, que representar&#225; el pr&#243;ximo gran paso del programa. </p><h4>_</h4><h4><strong>La industria fotovoltaica china contin&#250;a atrapada en los n&#250;meros rojos</strong></h4><p>Los bajos precios de los m&#243;dulos estos &#250;ltimos a&#241;os han sido una gran noticia para promotores y EPCistas, pero no tanto para quienes los fabrican. Seg&#250;n los resultados recopilados por <a href="https://www.linkedin.com/in/carrie-xiao-07422a163/">Carrie Xiao</a> en <a href="https://www.pv-tech.org/top-chinese-pv-players-combined-deficit-tops-rmb10-billion-h1-2026/?utm_source=eloqua&amp;utm_medium=email&amp;utm_content=NL_NAM25PVTech_20260721&amp;sp_eh=ab6ef1f224bb2efbe28f9e7a5cb616838810ec4bc3283a0ad7323630217d7bb8">PV Tech</a>, los principales fabricantes de m&#243;dulos chinos contin&#250;an sufriendo las consecuencias de la sobrecapacidad y del desequilibrio entre oferta y demanda. </p><p>Hasta mediados de julio, <strong>25 compa&#241;&#237;as cotizadas hab&#237;an publicado sus previsiones para el primer semestre de 2026, con p&#233;rdidas</strong> repartidas por toda la cadena de valor: polisilicio, obleas, c&#233;lulas, m&#243;dulos y vidrio solar.</p><p>Entre las compa&#241;&#237;as m&#225;s afectadas se encuentran <strong>Tongwei, LONGi y JA Solar</strong>. Solo estas tres empresas <strong>podr&#237;an acumular conjuntamente unas p&#233;rdidas superiores a los</strong> 10.000 millones de Yuanes, aproximadamente <strong>1.200 millones de euros</strong>. Adem&#225;s de los bajos precios, los fabricantes se enfrentan a una menor demanda interna, barreras comerciales, costes asociados a la retirada de las devoluciones fiscales a la exportaci&#243;n (<a href="/__u/solarletter.substack.com/i/184949316/aviso-a-navegantes-punto-de-inflexion-para-el-precio-de-los-modulos">Solarletter #32</a>) y retrasos en proyectos internacionales.</p><p>Sin embargo, no todas las empresas evolucionan de la misma manera. <strong>Trina Solar ha reducido sus p&#233;rdidas entre un 88% y un 94% respecto al a&#241;o anterior</strong> y podr&#237;a haber alcanzado el equilibrio durante el segundo trimestre.</p><p>Como ya hemos comentado en anteriores ediciones de la Solarletter, una industria no puede sobrevivir indefinidamente vendiendo por debajo de sus costes. Los precios extremadamente bajos han acelerado el despliegue fotovoltaico mundial, pero tambi&#233;n est&#225;n provocando una profunda reestructuraci&#243;n del sector. </p><blockquote><p>El resultado probablemente ser&#225; la desaparici&#243;n de capacidad, dando lugar a una mayor consolidaci&#243;n empresarial.</p></blockquote><h4>_</h4><h4><strong>El consejillo de la edici&#243;n</strong></h4><p>Despu&#233;s de hablar en la edici&#243;n anterior de las marcas de pintura sobre los tornillos, hoy toca fijarse en otro detalle que suele pasar desapercibido: esos n&#250;meros como <strong>5.8, 8.8 o 10.9</strong> <strong>que aparecen grabados en la cabeza</strong>. No indican el tama&#241;o ni el par de apriete, sino la <strong>clase de resistencia mec&#225;nica del tornillo</strong>.</p><p>Estas clases de resistencia est&#225;n reguladas por la norma <strong>ISO 898-1. </strong></p><ul><li><p>El <strong>primer n&#250;mero</strong>, multiplicado por 100, indica aproximadamente su <strong>resistencia m&#237;nima a la tracci&#243;n</strong>. Por ejemplo, un tornillo 8.8 tiene una resistencia m&#237;nima de 800 N/mm&#178;. </p></li><li><p>El <strong>segundo n&#250;mero</strong> expresa la <strong>relaci&#243;n entre el l&#237;mite el&#225;stico y la resistencia a la tracci&#243;n</strong>. En este caso, 8 &#215; 0,8 nos da un l&#237;mite el&#225;stico de aproximadamente <strong>640 N/mm&#178;</strong>. En un tornillo 5.8, estos valores ser&#237;an 500 N/mm&#178; y 400 N/mm&#178;, respectivamente.</p></li></ul><p>Dicho de una forma m&#225;s sencilla: cuanto mayor es la clase, mayor esfuerzo puede soportar el tornillo antes de deformarse permanentemente o romperse. Pero eso no significa que podamos sustituir alegremente un 5.8 por un 8.8 o aplicar m&#225;s par de apriete porque el n&#250;mero sea mayor. La torniller&#237;a, la tuerca, las arandelas, la rosca y la pieza que estamos uniendo deben estar dise&#241;adas para trabajar juntas.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!8GFj!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1d24cc4e-78cc-412c-8629-4ae8bf6cb55b_789x560.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!8GFj!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1d24cc4e-78cc-412c-8629-4ae8bf6cb55b_789x560.png 424w, /__u/substackcdn.com/image/fetch/$s_!8GFj!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1d24cc4e-78cc-412c-8629-4ae8bf6cb55b_789x560.png 848w, /__u/substackcdn.com/image/fetch/$s_!8GFj!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1d24cc4e-78cc-412c-8629-4ae8bf6cb55b_789x560.png 1272w, /__u/substackcdn.com/image/fetch/$s_!8GFj!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1d24cc4e-78cc-412c-8629-4ae8bf6cb55b_789x560.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!8GFj!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1d24cc4e-78cc-412c-8629-4ae8bf6cb55b_789x560.png" width="789" height="560" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/1d24cc4e-78cc-412c-8629-4ae8bf6cb55b_789x560.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:560,&quot;width&quot;:789,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;News - Teach you to recognize the grade material of bolts at a glance&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="News - Teach you to recognize the grade material of bolts at a glance" title="News - Teach you to recognize the grade material of bolts at a glance" srcset="/__u/substackcdn.com/image/fetch/$s_!8GFj!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1d24cc4e-78cc-412c-8629-4ae8bf6cb55b_789x560.png 424w, /__u/substackcdn.com/image/fetch/$s_!8GFj!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1d24cc4e-78cc-412c-8629-4ae8bf6cb55b_789x560.png 848w, /__u/substackcdn.com/image/fetch/$s_!8GFj!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1d24cc4e-78cc-412c-8629-4ae8bf6cb55b_789x560.png 1272w, /__u/substackcdn.com/image/fetch/$s_!8GFj!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1d24cc4e-78cc-412c-8629-4ae8bf6cb55b_789x560.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>En instalaciones fotovoltaicas es importante <strong>comprobar siempre la clase indicada por el fabricante de la estructura en su manual de instalaci&#243;n</strong>. Dos tornillos con el mismo di&#225;metro y aparentemente id&#233;nticos pueden tener comportamientos mec&#225;nicos muy diferentes.</p><div><hr></div><p>Hasta aqu&#237; la edici&#243;n. Espero que os haya gustado y amenizado el caf&#233;, el viaje en transporte p&#250;blico o inicio de la siesta. <strong>Cualquier sugerencia, recomendaci&#243;n o comentario pod&#233;is responder a este mismo correo</strong>.</p><p>Si te ha gustado, ay&#250;dame a darle un segundo empuj&#243;n <strong>comparti&#233;ndolo en tus redes sociales, con tus amigos o compa&#241;eros de trabajo</strong>. Y si no te ha gustado, te pido disculpas, pero no se aceptan devoluciones.</p><div class="captioned-button-wrap" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-34_es-europa-podria-anadir?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="CaptionedButtonToDOM"><div class="preamble"><p class="cta-caption">Thank you for reading Solarletter. This post is public so feel free to share it.</p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-34_es-europa-podria-anadir?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-34_es-europa-podria-anadir?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/subscribe"><span>Subscribe now</span></a></p><p>&#161;Saludos solares!</p>]]></content:encoded></item><item><title><![CDATA[Solarletter #34_EN - Europe Could Add 25 GW of Renewables by Leveraging Existing Hydropower Grid Connections]]></title><description><![CDATA[Also: Europe Restricts Chinese Inverters in Publicly Funded Renewable Projects, Paiporta: Floating Solar Takes the Next Step Offshore and The Chinese Photovoltaic Industry Remains Deep in the Red]]></description><link>https://solarletter.substack.com/p/solarletter-34_en-europe-could-add</link><guid isPermaLink="false">https://solarletter.substack.com/p/solarletter-34_en-europe-could-add</guid><dc:creator><![CDATA[Imanol Matanza Medina]]></dc:creator><pubDate>Tue, 04 Aug 2026 08:01:32 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!RbVy!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F94fb2429-7c4d-4fb0-b3fa-198f598071c5_583x318.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="pullquote"><p>Please note that text below has been translated from the spanish version by using AI</p></div><p>Hello everyone and welcome back to Solarletter. My name is Imanol Matanza, and I aim to share with you the <strong>latest news, technological advancements, and trends in the field of photovoltaic energy</strong>. Through Solarletter, I hope to provide you with <strong>valuable information, market analysis, state-of-the-art updates, and practical tips</strong> that will help you stay informed about the latest developments in the photovoltaic industry.</p><p><strong>Solarletter #34</strong> is back after a short summer break, and it returns with plenty of exciting news.</p><p>The first update is that we are already preparing the second part of the interview we conducted with <a href="https://www.linkedin.com/in/jan-schuka-87b340217/">Jan Schuka</a>, Project Manager at <a href="https://www.pfalzwerke.de/landingpages/waermepumpe-cpc?utm_source=google&amp;utm_medium=cpc&amp;utm_campaign=waermepumpe.b2c-pmax&amp;gad_source=1&amp;gad_campaignid=21161349517&amp;gbraid=0AAAAAon4qjnWHEMQOMCVgmKYna05jgfJh&amp;gclid=Cj0KCQjw-MDTBhCgARIsAKAkdlSB-0lhnf7kkyoz_VGkSHSuuDzfQqQ1Je_ylMtTSyiwLtIbg8jCCf4aAhzUEALw_wcB">Pfalzwerke</a> and the person responsible for the <strong>repowering of the Neustadt</strong> photovoltaic plant. It is a particularly interesting project that has increased the installed capacity <strong>from the original 2 MWp to 4.5 MWp</strong>. I leave you the link to <a href="/__u/open.substack.com/pub/solarletter/p/solarletter-30_en-neustadt-ii-the?r=1tk2u9&amp;utm_campaign=post-expanded-share&amp;utm_medium=web">Solarletter #30</a>, which contains the first part of the interview for those of you who have not read it yet.</p><p>The second piece of news, and probably the one that excites me the most, is that I have decided to take the leap into entrepreneurship. We are currently working on launching what we hope will become <strong>your trusted partner for the construction of photovoltaic and battery energy storage projects in Germany</strong>.</p><p>Our goal is to support our clients throughout the different phases of their projects by offering <strong>electrical engineering, construction, project management, and site management services</strong>. It is a new professional challenge that begins with great enthusiasm, a healthy dose of uncertainty, plenty of motivation, and the ambition to bring experience, close collaboration, and reliable solutions to the German market.</p><p>I will tell you more about it in the next edition.</p><p>If you do not want to miss future editions, I leave a link here:</p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/subscribe"><span>Subscribe now</span></a></p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-34_en-europe-could-add?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-34_en-europe-could-add?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p><p>I am always open to suggestions, questions, and comments, so please feel free to contact me. If you like it, don't hesitate to subscribe and share!</p><p>Alright, let us go with a couple of interesting pieces of news!</p><div><hr></div><h4><strong>Europe Could Add 25 GW of Renewables by Leveraging Existing Hydropower Grid Connections</strong></h4><p>Europe is facing an increasingly evident challenge: it wants to deploy ever more renewable energy, but in many cases one obstacle stands in the way&#8212;the <strong>grid connection point</strong>.</p><p>According to a new <a href="https://ember-energy.org/app/uploads/2026/07/Power-on-tap_-EU-hydro-giants-can-add-25-GW-renewables-without-new-grids-1.pdf">report by </a><strong><a href="https://ember-energy.org/app/uploads/2026/07/Power-on-tap_-EU-hydro-giants-can-add-25-GW-renewables-without-new-grids-1.pdf">Ember</a></strong>, there is an alternative that could buy valuable time while grid expansions move forward: <strong>using the existing grid connections of hydropower plants to connect new renewable generation</strong> behind the same connection point.</p><p>The study analyses seven of the European Union&#8217;s largest hydropower markets&#8212;<strong>Austria, Bulgaria, France, Italy, Portugal, Romania, and Spain</strong>&#8212;which together account for <strong>93 GW</strong> of the <strong>131 GW</strong> of hydropower capacity installed across the bloc. Ember estimates that these countries could add around <strong>25 GW</strong> of additional wind and solar capacity <strong>without increasing export capacity or significantly altering the normal operation of hydropower plants</strong>. This would make it possible to integrate approximately <strong>18% of the 138 GW of renewable capacity</strong> that these markets are expected to add between 2026 and 2030.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!RKxl!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd51ae82-a6fc-4763-8e64-6aefde0ee961_632x604.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!RKxl!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd51ae82-a6fc-4763-8e64-6aefde0ee961_632x604.png 424w, /__u/substackcdn.com/image/fetch/$s_!RKxl!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd51ae82-a6fc-4763-8e64-6aefde0ee961_632x604.png 848w, /__u/substackcdn.com/image/fetch/$s_!RKxl!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd51ae82-a6fc-4763-8e64-6aefde0ee961_632x604.png 1272w, /__u/substackcdn.com/image/fetch/$s_!RKxl!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd51ae82-a6fc-4763-8e64-6aefde0ee961_632x604.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!RKxl!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd51ae82-a6fc-4763-8e64-6aefde0ee961_632x604.png" width="632" height="604" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/dd51ae82-a6fc-4763-8e64-6aefde0ee961_632x604.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:604,&quot;width&quot;:632,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:95255,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/209624177?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd51ae82-a6fc-4763-8e64-6aefde0ee961_632x604.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" title="" srcset="/__u/substackcdn.com/image/fetch/$s_!RKxl!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd51ae82-a6fc-4763-8e64-6aefde0ee961_632x604.png 424w, /__u/substackcdn.com/image/fetch/$s_!RKxl!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd51ae82-a6fc-4763-8e64-6aefde0ee961_632x604.png 848w, /__u/substackcdn.com/image/fetch/$s_!RKxl!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd51ae82-a6fc-4763-8e64-6aefde0ee961_632x604.png 1272w, /__u/substackcdn.com/image/fetch/$s_!RKxl!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd51ae82-a6fc-4763-8e64-6aefde0ee961_632x604.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>So, what is the catch? In reality, there is none.</p><p>Many hydropower plants use their grid connection only during certain hours of the day, particularly during the morning and evening demand peaks. An analysis of the <a href="https://en.wikipedia.org/wiki/Capacity_factor">capacity factors</a> of reservoir and pumped-storage plants shows that, <strong>on average</strong>, they operate at <strong>only 19% of their maximum capacity</strong>.</p><p>Simply by adding <strong>solar PV</strong>, the combined utilisation of the existing grid connection could increase to <strong>31%</strong>, while <strong>wind power</strong> could raise it to <strong>36%</strong>. At certain sites in <strong>Spain and France</strong>, where grid connections are currently utilised only <strong>7% of the year</strong>, hybridisation could push utilisation above <strong>25%</strong>, effectively tripling the use of the same infrastructure.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!9Ctw!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1728acef-1fca-4622-9422-3e908527a5c7_626x600.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!9Ctw!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1728acef-1fca-4622-9422-3e908527a5c7_626x600.png 424w, /__u/substackcdn.com/image/fetch/$s_!9Ctw!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1728acef-1fca-4622-9422-3e908527a5c7_626x600.png 848w, /__u/substackcdn.com/image/fetch/$s_!9Ctw!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1728acef-1fca-4622-9422-3e908527a5c7_626x600.png 1272w, /__u/substackcdn.com/image/fetch/$s_!9Ctw!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1728acef-1fca-4622-9422-3e908527a5c7_626x600.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!9Ctw!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1728acef-1fca-4622-9422-3e908527a5c7_626x600.png" width="626" height="600" 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/__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1728acef-1fca-4622-9422-3e908527a5c7_626x600.png 424w, /__u/substackcdn.com/image/fetch/$s_!9Ctw!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1728acef-1fca-4622-9422-3e908527a5c7_626x600.png 848w, /__u/substackcdn.com/image/fetch/$s_!9Ctw!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1728acef-1fca-4622-9422-3e908527a5c7_626x600.png 1272w, /__u/substackcdn.com/image/fetch/$s_!9Ctw!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1728acef-1fca-4622-9422-3e908527a5c7_626x600.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p><strong>The combination with solar PV is particularly attractive because the generation profiles complement each other</strong>. While hydropower production is typically concentrated during the early morning and late afternoon, solar generation peaks around midday. In pumped-storage facilities, it would even be possible to <strong>oversize the photovoltaic plant</strong> and use excess solar energy to pump water whenever the export limit is reached, thereby avoiding part of the curtailment.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!QIgc!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa8b68a1a-b7ca-4f42-b7fe-c393d8030179_565x741.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!QIgc!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa8b68a1a-b7ca-4f42-b7fe-c393d8030179_565x741.png 424w, /__u/substackcdn.com/image/fetch/$s_!QIgc!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa8b68a1a-b7ca-4f42-b7fe-c393d8030179_565x741.png 848w, /__u/substackcdn.com/image/fetch/$s_!QIgc!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa8b68a1a-b7ca-4f42-b7fe-c393d8030179_565x741.png 1272w, /__u/substackcdn.com/image/fetch/$s_!QIgc!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa8b68a1a-b7ca-4f42-b7fe-c393d8030179_565x741.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><div class="pullquote"><p>Floating solar offers additional advantages, including reduced land use, lower water evaporation, and the cooling effect of water on photovoltaic modules, which can improve performance.</p></div><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!DKDQ!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe2746d60-dd6a-41ac-89f0-0fe874e64f71_631x393.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!DKDQ!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe2746d60-dd6a-41ac-89f0-0fe874e64f71_631x393.png 424w, /__u/substackcdn.com/image/fetch/$s_!DKDQ!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe2746d60-dd6a-41ac-89f0-0fe874e64f71_631x393.png 848w, /__u/substackcdn.com/image/fetch/$s_!DKDQ!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe2746d60-dd6a-41ac-89f0-0fe874e64f71_631x393.png 1272w, /__u/substackcdn.com/image/fetch/$s_!DKDQ!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe2746d60-dd6a-41ac-89f0-0fe874e64f71_631x393.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!DKDQ!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe2746d60-dd6a-41ac-89f0-0fe874e64f71_631x393.png" width="631" height="393" 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/__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe2746d60-dd6a-41ac-89f0-0fe874e64f71_631x393.png 424w, /__u/substackcdn.com/image/fetch/$s_!DKDQ!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe2746d60-dd6a-41ac-89f0-0fe874e64f71_631x393.png 848w, /__u/substackcdn.com/image/fetch/$s_!DKDQ!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe2746d60-dd6a-41ac-89f0-0fe874e64f71_631x393.png 1272w, /__u/substackcdn.com/image/fetch/$s_!DKDQ!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe2746d60-dd6a-41ac-89f0-0fe874e64f71_631x393.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>The potential, however, is not the same in every country. Hybridisation could cover <strong>up to 77% of Austria&#8217;s planned renewable capacity additions</strong>, but only around <strong>7% in Bulgaria</strong>. Ember excluded hydropower plants located near protected areas from its assessment, meaning that only 28% of the analysed hydropower capacity was ultimately considered suitable for integrating new renewable installations.</p><p><strong>Spain and Portugal</strong> enjoy a regulatory advantage. They are the only countries included in the study that already have <strong>specific regulatory frameworks designed to facilitate hybrid projects</strong>. <a href="/__u/solarletter.substack.com/i/150685141/new-legislation-for-floating-solar-in-spain">Solarletter #19</a>.</p><p>The report does not present hybridisation as a replacement for grid investment, but rather as an <strong>immediate solution to make better use of existing infrastructure</strong>. At a time when Europe faces a shortfall of at least 120 GW between available grid capacity and the renewable expansion planned by 2030, sharing existing grid connections could prevent new projects from spending years waiting in connection queues.</p><p>As we have discussed in previous editions of Solarletter, the next major challenge of the energy transition is no longer simply installing more megawatts&#8212;it is finding ways to integrate them efficiently. And sometimes, part of the solution lies in making better use of the infrastructure that is already in place.</p><h4>_</h4><h4><strong>Europe Restricts Chinese Inverters in Publicly Funded Renewable Projects</strong></h4><p><strong>The European Commission has decided to exclude Chinese-made photovoltaic inverters and battery power conversion systems (PCS), as well as equipment from other countries considered to pose a high security risk, from clean energy projects financed with European Union funds.</strong></p><p>According to <a href="https://www.woodmac.com/press-releases/ban-on-inverters-from-high-risk-countries-led-by-china-to-affect-14-of-eu-solar-demand-through-2030/">Wood Mackenzie</a>, this measure could affect approximately <strong>14% of the photovoltaic demand expected in Europe between 2026 and 2030</strong>, equivalent to more than <strong>28 GWdc of inverter capacity</strong>. In the battery storage sector, around <strong>12% of the planned deployments</strong> over the same period&#8212;particularly <em>utility-scale</em> projects&#8212;could also be impacted.</p><p>The decision aims to reduce Europe&#8217;s heavy dependence on Chinese manufacturers, which accounted for <strong>more than 80% of inverter shipments to the European market in 2025</strong>. The countries expected to be most affected are those in Central and Eastern Europe, including Romania, Bulgaria, the Czech Republic, the Baltic States, and Greece, where a larger share of renewable projects relies on EU funding. The Commission has also encouraged Member States to apply similar restrictions to projects financed through national budgets, which would significantly broaden the scope of the measure.</p><p>Although <strong>European-manufactured inverters</strong> are noticeably more expensive, Wood Mackenzie estimates that the <strong>increase in total project costs would range between 2% and 8%</strong>, depending on the market segment. However, cost will not be the only challenge. Developers may also face supply chain constraints, project redesigns, and the need to separate battery systems and inverters that have traditionally been purchased as integrated solutions.</p><p>For the time being, <strong>around 80% of European demand will remain outside the scope of these restrictions</strong>, but a future revision of the <strong>EU Cybersecurity Act could extend them to all inverters and power conversion systems</strong>, regardless of how the project is financed.</p><blockquote><p>From my point of view, this is the right decision. If these projects are being financed with taxpayers&#8217; money, it makes sense to use that investment to give European manufacturers an opportunity, strengthen the local value chain, and help prevent Europe from continuing to lose technological know-how and industrial capacity.</p></blockquote><p>Europe is not the only region adopting a tougher stance. Shortly afterwards, the United States <em><a href="https://www.fcc.gov/document/fcc-adds-foreign-produced-power-inverters-and-robots-covered-list-0">Federal Communications Commission</a></em><strong> (FCC)</strong> <strong>added foreign-manufactured inverters to its list of equipment considered a potential national security risk</strong>. Unlike the European measure&#8212;which focuses on China and other high-risk countries and is initially limited to EU-funded projects&#8212;the U.S. <strong>decision applies to any inverter manufactured outside the United States</strong>, regardless of the manufacturer&#8217;s nationality.</p><p>Both measures reflect the same underlying trend: </p><div class="pullquote"><p>Inverters are no longer viewed merely as electrical components. They are increasingly being regarded as critical digital infrastructure due to their connectivity, remote-control capabilities, and potential exposure to cybersecurity threats.</p></div><h4>_</h4><h4><strong>Paiporta: Floating Solar Takes the Next Step Offshore</strong></h4><p>Floating photovoltaics seem determined to follow the path of <em>offshore </em>wind. In <a href="/__u/solarletter.substack.com/i/165567923/panels-where-you-least-expect-them-the-alternative-solar-revolution">Solarletter #25</a>, we discussed how floating solar was beginning to move out to sea and its potential to harness water surfaces without occupying additional land. <a href="https://bluenewables.com/">BlueNewables</a>&#8217; Paiporta project aims to demonstrate that photovoltaics can also find their place in ports and coastal environments.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!hvHd!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F39878587-e424-4452-8aee-cd8cc2e0baf4_1080x1350.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!hvHd!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F39878587-e424-4452-8aee-cd8cc2e0baf4_1080x1350.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!hvHd!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F39878587-e424-4452-8aee-cd8cc2e0baf4_1080x1350.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!hvHd!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F39878587-e424-4452-8aee-cd8cc2e0baf4_1080x1350.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!hvHd!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F39878587-e424-4452-8aee-cd8cc2e0baf4_1080x1350.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!hvHd!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F39878587-e424-4452-8aee-cd8cc2e0baf4_1080x1350.jpeg" width="556" height="695" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/39878587-e424-4452-8aee-cd8cc2e0baf4_1080x1350.jpeg&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:1350,&quot;width&quot;:1080,&quot;resizeWidth&quot;:556,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;View image&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="View image" title="View image" srcset="/__u/substackcdn.com/image/fetch/$s_!hvHd!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F39878587-e424-4452-8aee-cd8cc2e0baf4_1080x1350.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!hvHd!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F39878587-e424-4452-8aee-cd8cc2e0baf4_1080x1350.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!hvHd!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F39878587-e424-4452-8aee-cd8cc2e0baf4_1080x1350.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!hvHd!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F39878587-e424-4452-8aee-cd8cc2e0baf4_1080x1350.jpeg 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p><a href="https://bluenewables.com/">BlueNewables</a> recently shared on LinkedIn a video showcasing the <strong>first large-scale offshore photovoltaic platform</strong> of the <a href="https://reforms-investments.ec.europa.eu/projects/renmarinas-demos-program_en">RENMARINAS</a> project, located in the Port of Valencia. This milestone marks the transition from a technological concept to a real offshore installation, following several years of development, engineering, and coordination of what has been a particularly complex project.</p><p><strong>The company has been responsible for</strong> integrating virtually the entire project value chain, including <strong>conceptual, basic, and detailed engineering, procurement and certification, manufacturing, logistics, marine transportation, mooring, towing, and offshore installation</strong>. The platform serves as a demonstration project for a floating photovoltaic solution specifically designed for marine environments.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!RbVy!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F94fb2429-7c4d-4fb0-b3fa-198f598071c5_583x318.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!RbVy!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F94fb2429-7c4d-4fb0-b3fa-198f598071c5_583x318.png 424w, /__u/substackcdn.com/image/fetch/$s_!RbVy!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F94fb2429-7c4d-4fb0-b3fa-198f598071c5_583x318.png 848w, /__u/substackcdn.com/image/fetch/$s_!RbVy!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F94fb2429-7c4d-4fb0-b3fa-198f598071c5_583x318.png 1272w, /__u/substackcdn.com/image/fetch/$s_!RbVy!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F94fb2429-7c4d-4fb0-b3fa-198f598071c5_583x318.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!RbVy!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F94fb2429-7c4d-4fb0-b3fa-198f598071c5_583x318.png" width="583" height="318" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/94fb2429-7c4d-4fb0-b3fa-198f598071c5_583x318.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:318,&quot;width&quot;:583,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:375571,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/209624163?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F94fb2429-7c4d-4fb0-b3fa-198f598071c5_583x318.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="/__u/substackcdn.com/image/fetch/$s_!RbVy!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F94fb2429-7c4d-4fb0-b3fa-198f598071c5_583x318.png 424w, /__u/substackcdn.com/image/fetch/$s_!RbVy!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F94fb2429-7c4d-4fb0-b3fa-198f598071c5_583x318.png 848w, /__u/substackcdn.com/image/fetch/$s_!RbVy!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F94fb2429-7c4d-4fb0-b3fa-198f598071c5_583x318.png 1272w, /__u/substackcdn.com/image/fetch/$s_!RbVy!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F94fb2429-7c4d-4fb0-b3fa-198f598071c5_583x318.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p></p><p>This type of installation opens up new opportunities to generate renewable electricity in industrial ports, coastal areas, and islands, where available land is limited. Furthermore, <strong>the project will continue with a second platform</strong>, named <strong>Catarroja</strong>, which will represent the next major milestone of the RENMARINAS programme.</p><h4>_</h4><h4><strong>The Chinese Photovoltaic Industry Remains Deep in the Red</strong></h4><p>The exceptionally low module prices of recent years have been excellent news for developers and EPC contractors, but far less so for manufacturers. According to financial results compiled by <a href="https://www.linkedin.com/in/carrie-xiao-07422a163/">Carrie Xiao</a> in <a href="https://www.pv-tech.org/top-chinese-pv-players-combined-deficit-tops-rmb10-billion-h1-2026/?utm_source=eloqua&amp;utm_medium=email&amp;utm_content=NL_NAM25PVTech_20260721&amp;sp_eh=ab6ef1f224bb2efbe28f9e7a5cb616838810ec4bc3283a0ad7323630217d7bb8">PV Tech</a>, the leading Chinese module manufacturers continue to suffer the consequences of <strong>industrial overcapacity</strong> and the persistent imbalance between supply and demand.</p><p>By mid-July, <strong>25 publicly listed companies</strong> <strong>had published their forecasts for the first half of 2026, reporting losses</strong> across virtually the entire photovoltaic value chain, including polysilicon, wafers, cells, modules, and solar glass.</p><p>Among the companies most heavily affected are <strong>Tongwei, LONGi, and JA Solar</strong>. <strong>Together, these three manufacturers alone</strong> are expected to post combined <strong>losses </strong>exceeding CNY 10 billion, equivalent to <strong>approximately EUR 1.2 billion</strong>. In addition to depressed module prices, manufacturers are also facing weaker domestic demand, trade barriers, costs associated with the removal of export tax rebates (<a href="/__u/solarletter.substack.com/i/186989387/warning-to-the-market-a-turning-point-for-module-prices">Solarletter #32</a>), and delays affecting international projects.</p><p>Not all companies, however, are following the same trajectory. <strong>Trina Solar</strong> <strong>has reduced its losses by</strong> <strong>between 88% and 94%</strong> compared to the previous year and may even have reached break-even during the second quarter.</p><p>As we have discussed in previous editions of Solarletter, no industry can survive indefinitely while selling below its production costs. Extremely low prices have accelerated the global deployment of photovoltaics, but they are also driving a profound restructuring of the sector. </p><blockquote><p>The most likely outcome will be the disappearance of excess manufacturing capacity and a further wave of industry consolidation.</p></blockquote><h4>_</h4><h4><strong>Edition&#180;s curiosity</strong></h4><p>After discussing the paint marks applied to bolts in the previous edition, today we will focus on another detail that often goes unnoticed: those numbers such as <strong>5.8, 8.8, or 10.9 stamped on the bolt head</strong>. They do not indicate the bolt size or the tightening torque. Instead, they <strong>specify the mechanical property class of the bolt</strong>.</p><p>These property classes are defined by the <strong>ISO 898-1</strong> standard.</p><ul><li><p>The <strong>first number</strong>, multiplied by 100, indicates the bolt&#8217;s <strong>minimum tensile strength</strong>. For example, a Class 8.8 bolt has a minimum tensile strength of 800 N/mm&#178;.</p></li><li><p>The <strong>second number</strong> represents the <strong>ratio between the yield strength and the tensile strength</strong>. In this case, 8 &#215; 0.8 gives a yield strength of approximately 640 N/mm&#178;. For a Class 5.8 bolt, these values would be 500 N/mm&#178; and 400 N/mm&#178;, respectively.</p></li></ul><p>Put more simply, the higher the property class, the greater the load the bolt can withstand before it permanently deforms or ultimately breaks. However, this does not mean that a Class 5.8 bolt can simply be replaced with a Class 8.8 bolt or that a higher tightening torque can be applied just because the number is larger. The bolt, nut, washers, threads, and the components being joined must all be designed to work together as a complete fastening system.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!8GFj!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1d24cc4e-78cc-412c-8629-4ae8bf6cb55b_789x560.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!8GFj!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1d24cc4e-78cc-412c-8629-4ae8bf6cb55b_789x560.png 424w, /__u/substackcdn.com/image/fetch/$s_!8GFj!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1d24cc4e-78cc-412c-8629-4ae8bf6cb55b_789x560.png 848w, /__u/substackcdn.com/image/fetch/$s_!8GFj!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1d24cc4e-78cc-412c-8629-4ae8bf6cb55b_789x560.png 1272w, /__u/substackcdn.com/image/fetch/$s_!8GFj!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1d24cc4e-78cc-412c-8629-4ae8bf6cb55b_789x560.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!8GFj!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1d24cc4e-78cc-412c-8629-4ae8bf6cb55b_789x560.png" width="789" height="560" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/1d24cc4e-78cc-412c-8629-4ae8bf6cb55b_789x560.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:560,&quot;width&quot;:789,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;News - Teach you to recognize the grade material of bolts at a glance&quot;,&quot;title&quot;:&quot;News - Teach you to recognize the grade material of bolts at a glance&quot;,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="News - Teach you to recognize the grade material of bolts at a glance" title="News - Teach you to recognize the grade material of bolts at a glance" srcset="/__u/substackcdn.com/image/fetch/$s_!8GFj!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1d24cc4e-78cc-412c-8629-4ae8bf6cb55b_789x560.png 424w, /__u/substackcdn.com/image/fetch/$s_!8GFj!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1d24cc4e-78cc-412c-8629-4ae8bf6cb55b_789x560.png 848w, /__u/substackcdn.com/image/fetch/$s_!8GFj!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1d24cc4e-78cc-412c-8629-4ae8bf6cb55b_789x560.png 1272w, /__u/substackcdn.com/image/fetch/$s_!8GFj!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1d24cc4e-78cc-412c-8629-4ae8bf6cb55b_789x560.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>In photovoltaic installations, it is important to <strong>always verify the property class specified by the mounting structure manufacturer in the installation manual</strong>. Two bolts with the same diameter and an almost identical appearance can have very different mechanical properties.</p><div><hr></div><p>That concludes the edition. I hope you enjoyed and it made your coffee break, public transportation ride, or nap more enjoyable. <strong>If you have any suggestions, recommendations, or comments, feel free to reply to this email</strong>.</p><p>If you liked it, help me give it a boost by <strong>sharing it on your social media, with your friends, or coworkers</strong>. And if you did not like it, I apologize, but returns are not accepted.</p><div class="captioned-button-wrap" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-34_en-europe-could-add?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="CaptionedButtonToDOM"><div class="preamble"><p class="cta-caption">Thank you for reading Solarletter. This post is public so feel free to share it.</p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-34_en-europe-could-add?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-34_en-europe-could-add?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Abonnieren jetzt&quot;,&quot;action&quot;:null,&quot;class&quot;:&quot;button-wrapper&quot;}" data-component-name="ButtonCreateButton"><a class="button primary button-wrapper" href="/__u/solarletter.substack.com/subscribe"><span>Abonnieren jetzt</span></a></p><p>Sunny Regards!</p>]]></content:encoded></item><item><title><![CDATA[Solarletter #33_EN - Batteries Are on Their Way to Becoming a Pillar of the Power System]]></title><description><![CDATA[Also: The Wind and Solar Team Surpass Gas Globally for the First Time, RENEWABLES YES: A Campaign to Reclaim the Narrative of the Sector and Photovoltaic Modules Continue to Become More Expensive]]></description><link>https://solarletter.substack.com/p/solarletter-33_en-batteries-are-on</link><guid isPermaLink="false">https://solarletter.substack.com/p/solarletter-33_en-batteries-are-on</guid><dc:creator><![CDATA[Imanol Matanza Medina]]></dc:creator><pubDate>Fri, 05 Jun 2026 07:46:00 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!6wxP!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e8ba495-759c-41cb-a843-84c2d7b11401_1381x814.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="pullquote"><p>Please note that text below has been translated from the spanish version by using AI</p></div><p>Hello everyone and welcome back to Solarletter. My name is Imanol Matanza, and I aim to share with you the <strong>latest news, technological advancements, and trends in the field of photovoltaic energy</strong>. Through Solarletter, I hope to provide you with <strong>valuable information, market analysis, state-of-the-art updates, and practical tips</strong> that will help you stay informed about the latest developments in the photovoltaic industry.</p><p>In this edition, I owe you an apology. I have not written a single word since February... I have completely forgotten what my keyboard feels like. However, I can say that it has been for a good reason: we have bought a house near Frankfurt.</p><p>Evenings and weekends have been devoted to unpacking boxes, assembling furniture, buying supplies, painting, fixing things, and everything else that comes with moving into a new home. In home renovation videos, everything looks enjoyable and entertaining, but we have already had more than enough trips to the DIY store.</p><p>It is time to return to photovoltaics!</p><p>If you do not want to miss future editions, I leave a link here:</p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/subscribe"><span>Subscribe now</span></a></p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-33_en-batteries-are-on?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-33_en-batteries-are-on?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p><p>I am always open to suggestions, questions, and comments, so please feel free to contact me. If you like it, don't hesitate to subscribe and share!</p><p>Alright, let us go with a couple of interesting pieces of news!</p><div><hr></div><h4><strong>Batteries Are on Their Way to Becoming a Pillar of the Power System</strong></h4><p>For years, battery storage has been considered the ideal companion to renewable energy. However, according to a recent analysis by the <em><a href="https://www.iea.org/commentaries/battery-storage-is-scaling-up-and-taking-on-a-larger-system-role">International Energy Agency</a></em><strong> (</strong>IEA<strong>)</strong>, the sector has reached a new stage of maturity and is beginning to establish itself as a pillar of the electricity system. <strong>Sharp price declines, rapid deployment, and straightforward scalability have enabled a new installation record to be set in 2025.</strong></p><p>While we have spent recent years discussing photovoltaics as the fastest-growing technology in the world, the IEA now reminds us that energy storage is set to follow the same path. In its latest analysis, the agency highlights that <strong>108 GW of new storage capacity were installed worldwide in 2025</strong>, representing a 40% increase compared to 2024. This figure even surpasses the historical annual record for new gas-fired power plants, which stood at 107 GW in 2002.</p><p>But where is most of this capacity being deployed? As many of you may have already guessed, <strong>China leads global deployment, with more than 63 GW installed in 2025, followed by the United States with 19 GW</strong>. However, growth is beginning to spread to new markets. Australia, with 8 GW, increased its installations ninefold compared to the previous year, while Saudi Arabia and Chile are investing heavily in batteries to integrate ever-growing amounts of renewable generation.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!w5nt!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F05ec163c-84dd-44d6-85f4-c878838e5ff1_684x566.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!w5nt!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F05ec163c-84dd-44d6-85f4-c878838e5ff1_684x566.png 424w, /__u/substackcdn.com/image/fetch/$s_!w5nt!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F05ec163c-84dd-44d6-85f4-c878838e5ff1_684x566.png 848w, /__u/substackcdn.com/image/fetch/$s_!w5nt!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F05ec163c-84dd-44d6-85f4-c878838e5ff1_684x566.png 1272w, /__u/substackcdn.com/image/fetch/$s_!w5nt!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F05ec163c-84dd-44d6-85f4-c878838e5ff1_684x566.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!w5nt!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F05ec163c-84dd-44d6-85f4-c878838e5ff1_684x566.png" width="684" height="566" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/05ec163c-84dd-44d6-85f4-c878838e5ff1_684x566.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:566,&quot;width&quot;:684,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:32445,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/200618080?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F05ec163c-84dd-44d6-85f4-c878838e5ff1_684x566.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" title="" srcset="/__u/substackcdn.com/image/fetch/$s_!w5nt!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, 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8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!rWMJ!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F44f59111-233d-4798-8245-7752eac76099_682x564.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!rWMJ!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F44f59111-233d-4798-8245-7752eac76099_682x564.png 424w, /__u/substackcdn.com/image/fetch/$s_!rWMJ!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F44f59111-233d-4798-8245-7752eac76099_682x564.png 424w, /__u/substackcdn.com/image/fetch/$s_!rWMJ!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F44f59111-233d-4798-8245-7752eac76099_682x564.png 848w, /__u/substackcdn.com/image/fetch/$s_!rWMJ!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F44f59111-233d-4798-8245-7752eac76099_682x564.png 1272w, /__u/substackcdn.com/image/fetch/$s_!rWMJ!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F44f59111-233d-4798-8245-7752eac76099_682x564.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a><figcaption class="image-caption"><em>Source: International Energy Agency (IEA)</em></figcaption></figure></div><p>As shown in the charts, the majority of installed capacity, 87 GW, is located in the <em>utility-scale</em> segment, while 24 GW is co-located with renewable energy projects. This trend makes sense, as batteries connected directly to the grid help regulate the intermittent generation of already-installed renewable assets.</p><p>One of the most interesting developments highlighted by the IEA is the evolution of battery applications themselves. A decade ago, most projects were designed to participate in ancillary service markets &#8212; specialised and relatively limited markets, but often highly profitable, such as frequency regulation and operating reserves. Today, the situation is very different. <strong>More than 90% of new projects are primarily designed to shift energy throughout the day</strong>, compared to only 40% in 2015. In other words, batteries are moving beyond grid stabilisation and are increasingly being used to store large volumes of renewable energy for use when it is actually needed.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!t8_d!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F829e5d58-feeb-48b2-b71b-5c665f97beaa_2259x1189.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!t8_d!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F829e5d58-feeb-48b2-b71b-5c665f97beaa_2259x1189.png 424w, /__u/substackcdn.com/image/fetch/$s_!t8_d!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F829e5d58-feeb-48b2-b71b-5c665f97beaa_2259x1189.png 848w, /__u/substackcdn.com/image/fetch/$s_!t8_d!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F829e5d58-feeb-48b2-b71b-5c665f97beaa_2259x1189.png 1272w, /__u/substackcdn.com/image/fetch/$s_!t8_d!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F829e5d58-feeb-48b2-b71b-5c665f97beaa_2259x1189.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!t8_d!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F829e5d58-feeb-48b2-b71b-5c665f97beaa_2259x1189.png" width="1456" height="766" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/829e5d58-feeb-48b2-b71b-5c665f97beaa_2259x1189.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:766,&quot;width&quot;:1456,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:64213,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/200618080?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F829e5d58-feeb-48b2-b71b-5c665f97beaa_2259x1189.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" title="" srcset="/__u/substackcdn.com/image/fetch/$s_!t8_d!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F829e5d58-feeb-48b2-b71b-5c665f97beaa_2259x1189.png 424w, /__u/substackcdn.com/image/fetch/$s_!t8_d!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F829e5d58-feeb-48b2-b71b-5c665f97beaa_2259x1189.png 848w, /__u/substackcdn.com/image/fetch/$s_!t8_d!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F829e5d58-feeb-48b2-b71b-5c665f97beaa_2259x1189.png 1272w, /__u/substackcdn.com/image/fetch/$s_!t8_d!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F829e5d58-feeb-48b2-b71b-5c665f97beaa_2259x1189.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>The reason for this shift is simple: the dramatic reduction in costs. According to the IEA, <strong>battery costs have fallen by more than 90% between 2010 and 2025</strong>, driven by technological innovation, industrial competition, and economies of scale. At the same time, the average duration of battery systems continues to increase. While two-hour batteries dominated only a few years ago, projects capable of storing energy for <strong>four hours or more</strong> are becoming increasingly common.</p><p>The consequence is that batteries are beginning to take on increasingly important functions within the power system. <strong>California</strong> is perhaps the best example. <strong>With installed photovoltaic capacity already exceeding 55 GW, batteries supplied more than 40% of electricity demand during an afternoon in March 2026</strong>.</p><p>In addition to their economic competitiveness, <strong>batteries stand out for their rapid deployment</strong>. According to the IEA, a utility-scale storage system can be built in approximately <strong>275 days</strong>, compared to more than two years for a gas-fired power plant and more than six years for a nuclear facility. Even when permitting and grid connection timelines are considered, batteries remain one of the fastest solutions for providing flexibility to the electricity system.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!IsdF!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd114cee7-f91b-42dc-94db-84c7425168a8_1141x959.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!IsdF!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd114cee7-f91b-42dc-94db-84c7425168a8_1141x959.png 424w, 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/__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd114cee7-f91b-42dc-94db-84c7425168a8_1141x959.png 424w, /__u/substackcdn.com/image/fetch/$s_!IsdF!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd114cee7-f91b-42dc-94db-84c7425168a8_1141x959.png 848w, /__u/substackcdn.com/image/fetch/$s_!IsdF!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd114cee7-f91b-42dc-94db-84c7425168a8_1141x959.png 1272w, /__u/substackcdn.com/image/fetch/$s_!IsdF!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd114cee7-f91b-42dc-94db-84c7425168a8_1141x959.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>The conclusion is clear:</p><div class="pullquote"><p>Batteries are no longer simply the ideal companion to photovoltaics. They are becoming a critical infrastructure for the energy transition, capable of providing flexibility, stability, and the ability to integrate ever-larger volumes of renewable generation.</p></div><h4>_</h4><h4><strong>The Wind and Solar Team Surpass Gas Globally for the First Time</strong></h4><p>A few months ago, in <a href="/__u/solarletter.substack.com/i/186989387/ember-report-european-electricity-review-2026">Solarletter #32</a>, we discussed how wind and solar power had managed to overtake fossil fuels in Europe. Now, <a href="http://Petra Hannen">Petra Hannen</a> reports in <a href="http://PV-Magazine">PV Magazine</a> that this trend is beginning to emerge on a global scale as well.</p><p><strong>For the first time in history, during an entire month, the combined generation of wind and solar energy exceeded electricity generation from natural gas</strong>. In April 2026, these two technologies produced 531 TWh, equivalent to 22% of global electricity generation, while gas-fired power plants generated 477 TWh, representing 20% of the global electricity mix.</p><p>Perhaps the most striking figure is the comparison with just five years ago. In <strong>April 2021</strong>, electricity generation from <strong>gas </strong>already stood at approximately <strong>476 TWh</strong>, almost identical to current levels. However, combined <strong>wind and solar</strong> generation reached only <strong>245 TWh</strong>, less than half of today&#8217;s output. In other words, while gas generation has remained virtually stagnant, renewable generation has more than doubled over the same period.</p><p>This milestone is not a direct consequence of the recent international energy crisis, but rather the result of the continuous growth of wind and solar power. In fact, both technologies have been able to cover a significant share of the increase in global electricity demand over recent years, limiting the need to expand gas-fired generation. Furthermore, the report highlights that there is no evidence of a widespread shift from gas back to coal, despite international energy market tensions.</p><p>It is true that April is one of the most favourable months for renewable generation, particularly in the Northern Hemisphere, where strong wind production, increasing solar irradiation, and moderate electricity demand between the heating and cooling seasons coincide. Nevertheless, the message is clear: the gap between renewables and gas is narrowing at an ever-increasing pace.</p><p>This is yet another milestone confirming that the energy transition is no longer an exclusively European trend, but a truly global phenomenon.</p><h4>_</h4><h4><strong>RENEWABLES YES: A Campaign to Reclaim the Narrative of the Sector</strong></h4><p>In <a href="/__u/solarletter.substack.com/p/solarletter-28_en-special-edition?r=1tk2u9">Solarletter #28</a>, I shared a summary of some of the panels from <a href="https://www.enercluster.com/cite-3/">CITE 2025</a>, organised by <a href="https://www.enercluster.com/">Enercluster</a> in Pamplona. One of the recurring themes across several discussions was the growing difficulty of maintaining public acceptance of renewable energy projects. Although solar and wind power are now mature, competitive, and essential technologies for decarbonisation, many projects are facing increasing local opposition, partly due to a lack of information and limited awareness of the benefits they bring to local communities.</p><blockquote><p>Let me make a brief clarification here. I firmly believe in renewable energy, not only because of its ability to generate clean electricity, but also because of the benefits it can bring to local communities. Every project should be analysed and assessed individually. Of course, there will always be projects whose sole objective is to enrich a small number of stakeholders, but in many cases renewable energy projects bring investment, infrastructure, and economic activity to regions that have long been neglected.</p></blockquote><p>It is within this context that the <strong>&#8220;<a href="https://laenergiamaspositiva.es/">RENOVABLES S&#205;</a> &#183; The Most Positive Energy&#8221;</strong> campaign was launched by Enercluster, the renewable energy cluster of Navarra. The initiative aims to bring renewable energy closer to the public through real-life testimonies from people who live and work alongside these projects every day, highlighting their economic, social, and environmental impact from a local perspective.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!6wxP!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e8ba495-759c-41cb-a843-84c2d7b11401_1381x814.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!6wxP!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e8ba495-759c-41cb-a843-84c2d7b11401_1381x814.png 424w, /__u/substackcdn.com/image/fetch/$s_!6wxP!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e8ba495-759c-41cb-a843-84c2d7b11401_1381x814.png 848w, /__u/substackcdn.com/image/fetch/$s_!6wxP!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e8ba495-759c-41cb-a843-84c2d7b11401_1381x814.png 1272w, /__u/substackcdn.com/image/fetch/$s_!6wxP!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e8ba495-759c-41cb-a843-84c2d7b11401_1381x814.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!6wxP!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e8ba495-759c-41cb-a843-84c2d7b11401_1381x814.png" width="1381" height="814" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/1e8ba495-759c-41cb-a843-84c2d7b11401_1381x814.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:814,&quot;width&quot;:1381,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:1798706,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/200618080?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e8ba495-759c-41cb-a843-84c2d7b11401_1381x814.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" title="" srcset="/__u/substackcdn.com/image/fetch/$s_!6wxP!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e8ba495-759c-41cb-a843-84c2d7b11401_1381x814.png 424w, /__u/substackcdn.com/image/fetch/$s_!6wxP!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e8ba495-759c-41cb-a843-84c2d7b11401_1381x814.png 848w, /__u/substackcdn.com/image/fetch/$s_!6wxP!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e8ba495-759c-41cb-a843-84c2d7b11401_1381x814.png 1272w, /__u/substackcdn.com/image/fetch/$s_!6wxP!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e8ba495-759c-41cb-a843-84c2d7b11401_1381x814.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Among the participants are mayors, farmers, livestock breeders, environmental specialists, and renewable energy professionals who explain how renewable projects have helped finance municipal infrastructure, create local jobs, improve rural roads, and even enable citizen investment schemes in energy projects. One testimonial captures the spirit of the campaign particularly well:</p><div class="pullquote"><p>The benefits that renewable energy brings to society outweigh the impacts it creates.</p></div><p>Personally, I believe this is a very interesting and, in many cases, necessary initiative. For years, the sector has focused much of its effort on developing technology, reducing costs, and accelerating the energy transition. However, it has not always succeeded in communicating clearly and simply the benefits these installations bring to the communities where they are deployed.</p><p>At a time when Europe needs more electrification, more storage, and more renewable energy, explaining their positive impact may be just as important as building new megawatts.</p><p>The campaign will conclude in October with the publication of an interactive map of renewable energy projects in Navarra, together with the main findings and outcomes of the initiative.</p><h4>_</h4><h4><strong>Photovoltaic Modules Continue to Become More Expensive</strong></h4><p>After several years marked by significant industrial overcapacity and a continuous decline in prices, the photovoltaic market appears to be entering a new phase. According to the latest analysis from <a href="http://PVXchange">PVXchange</a>, <strong>module prices continue the upward trend that began in late 2025</strong>, driven by a combination of regulatory and economic factors that are reducing competitive pressure on Chinese manufacturers.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!zsyc!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9f4d9828-b033-45bb-8b39-e5f59273b01f_817x406.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!zsyc!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9f4d9828-b033-45bb-8b39-e5f59273b01f_817x406.png 424w, /__u/substackcdn.com/image/fetch/$s_!zsyc!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9f4d9828-b033-45bb-8b39-e5f59273b01f_817x406.png 848w, /__u/substackcdn.com/image/fetch/$s_!zsyc!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9f4d9828-b033-45bb-8b39-e5f59273b01f_817x406.png 1272w, /__u/substackcdn.com/image/fetch/$s_!zsyc!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9f4d9828-b033-45bb-8b39-e5f59273b01f_817x406.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!zsyc!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9f4d9828-b033-45bb-8b39-e5f59273b01f_817x406.png" width="817" height="406" 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9f4d9828-b033-45bb-8b39-e5f59273b01f_817x406.png 424w, /__u/substackcdn.com/image/fetch/$s_!zsyc!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9f4d9828-b033-45bb-8b39-e5f59273b01f_817x406.png 848w, /__u/substackcdn.com/image/fetch/$s_!zsyc!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9f4d9828-b033-45bb-8b39-e5f59273b01f_817x406.png 1272w, /__u/substackcdn.com/image/fetch/$s_!zsyc!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9f4d9828-b033-45bb-8b39-e5f59273b01f_817x406.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>One of the most relevant factors is <strong>the reduction in export tax rebates approved by the Chinese government</strong> at the beginning of the year, a measure that we already discussed in <a href="/__u/solarletter.substack.com/i/186989387/warning-to-the-market-a-turning-point-for-module-prices">Solarletter #32</a>. This is being compounded by <strong>new trade barriers and the growing debate in Europe and the United States</strong> regarding dependence on Asian supply chains. As a result, manufacturers are recovering part of the margins lost over recent years and are gradually passing these increases on to the market.</p><p>The PVXchange chart shows that prices have now recorded several consecutive months of increases, something that has not been seen for quite some time. Although it is still too early to determine where the market will ultimately stabilise, it seems increasingly clear that the era of ever-cheaper modules may have come to an end.</p><p>It will be interesting to follow developments over the coming months and assess the extent to which this trend affects the profitability of new photovoltaic projects.</p><h4>_</h4><h4><strong>Edition&#180;s curiosity</strong></h4><p>Today we are talking about <strong>torque markings on bolts</strong>. For those of you who played Pok&#233;mon during your childhood, do not worry, those paint marks on bolts are not hieroglyphs written by the Unown. Although they may sometimes look like it, they serve a very specific and extremely useful purpose in maintenance and inspection.</p><div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!dmxc!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe9f84357-d423-4dda-a371-f6f1eca1b0ea_400x400.webp" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!dmxc!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe9f84357-d423-4dda-a371-f6f1eca1b0ea_400x400.webp 424w, /__u/substackcdn.com/image/fetch/$s_!dmxc!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe9f84357-d423-4dda-a371-f6f1eca1b0ea_400x400.webp 848w, /__u/substackcdn.com/image/fetch/$s_!dmxc!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe9f84357-d423-4dda-a371-f6f1eca1b0ea_400x400.webp 1272w, /__u/substackcdn.com/image/fetch/$s_!dmxc!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe9f84357-d423-4dda-a371-f6f1eca1b0ea_400x400.webp 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!dmxc!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe9f84357-d423-4dda-a371-f6f1eca1b0ea_400x400.webp" width="202" height="202" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/e9f84357-d423-4dda-a371-f6f1eca1b0ea_400x400.webp&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:400,&quot;width&quot;:400,&quot;resizeWidth&quot;:202,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Unown (I) - Pok&#233;mon Info, Stats &amp; where to find it - Pok&#233;PC&quot;,&quot;title&quot;:&quot;Unown (I) - Pok&#233;mon Info, Stats &amp; where to find it - Pok&#233;PC&quot;,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Unown (I) - Pok&#233;mon Info, Stats &amp; where to find it - Pok&#233;PC" title="Unown (I) - Pok&#233;mon Info, Stats &amp; where to find it - Pok&#233;PC" srcset="/__u/substackcdn.com/image/fetch/$s_!dmxc!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe9f84357-d423-4dda-a371-f6f1eca1b0ea_400x400.webp 424w, /__u/substackcdn.com/image/fetch/$s_!dmxc!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe9f84357-d423-4dda-a371-f6f1eca1b0ea_400x400.webp 848w, /__u/substackcdn.com/image/fetch/$s_!dmxc!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe9f84357-d423-4dda-a371-f6f1eca1b0ea_400x400.webp 1272w, /__u/substackcdn.com/image/fetch/$s_!dmxc!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe9f84357-d423-4dda-a371-f6f1eca1b0ea_400x400.webp 1456w" sizes="100vw" loading="lazy"></picture><div></div></div></a></figure></div><p>This practice is known as <em><strong>torque marking</strong></em>. Once the tightening torque specified by the manufacturer in the installation manual has been applied, a paint line is drawn across the bolt head, nut, and the component on which it is mounted. This allows inspectors to quickly determine during a visual inspection whether the bolt has rotated or loosened. If the line is no longer aligned, it is a clear indication that the mechanical connection should be checked.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!tmKQ!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d4f2aef-5542-442a-a17b-36ef8533163d_695x517.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!tmKQ!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d4f2aef-5542-442a-a17b-36ef8533163d_695x517.png 424w, /__u/substackcdn.com/image/fetch/$s_!tmKQ!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d4f2aef-5542-442a-a17b-36ef8533163d_695x517.png 848w, /__u/substackcdn.com/image/fetch/$s_!tmKQ!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d4f2aef-5542-442a-a17b-36ef8533163d_695x517.png 1272w, /__u/substackcdn.com/image/fetch/$s_!tmKQ!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d4f2aef-5542-442a-a17b-36ef8533163d_695x517.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!tmKQ!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d4f2aef-5542-442a-a17b-36ef8533163d_695x517.png" width="326" height="242.5064748201439" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/7d4f2aef-5542-442a-a17b-36ef8533163d_695x517.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:517,&quot;width&quot;:695,&quot;resizeWidth&quot;:326,&quot;bytes&quot;:614431,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/200618080?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F973ef6c4-05c0-4560-ab48-5ab348899964_863x655.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" title="" srcset="/__u/substackcdn.com/image/fetch/$s_!tmKQ!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d4f2aef-5542-442a-a17b-36ef8533163d_695x517.png 424w, /__u/substackcdn.com/image/fetch/$s_!tmKQ!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d4f2aef-5542-442a-a17b-36ef8533163d_695x517.png 848w, /__u/substackcdn.com/image/fetch/$s_!tmKQ!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d4f2aef-5542-442a-a17b-36ef8533163d_695x517.png 1272w, /__u/substackcdn.com/image/fetch/$s_!tmKQ!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d4f2aef-5542-442a-a17b-36ef8533163d_695x517.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>In <em>utility-scale</em> photovoltaic installations, torque marking is particularly useful given the enormous number of bolts used throughout the mounting structures. In addition to simplifying and speeding up O&amp;M activities, it also provides a quick way to verify that the installer has applied the specified tightening torque.</p><p>That being said, it is important to remember that <strong>torque marking does not replace torque verification</strong>. Instead, it serves as a complementary visual inspection tool. It is a simple, inexpensive, and quick solution to implement that can save many hours of work... and prevent more than a few headaches if the installation decides it would like to take flight.</p><div><hr></div><p>That concludes the edition. I hope you enjoyed and it made your coffee break, public transportation ride, or nap more enjoyable. <strong>If you have any suggestions, recommendations, or comments, feel free to reply to this email</strong>.</p><p>If you liked it, help me give it a boost by <strong>sharing it on your social media, with your friends, or coworkers</strong>. And if you did not like it, I apologize, but returns are not accepted.</p><div class="captioned-button-wrap" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-33_en-batteries-are-on?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="CaptionedButtonToDOM"><div class="preamble"><p class="cta-caption">Thank you for reading Solarletter. This post is public so feel free to share it.</p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-33_en-batteries-are-on?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-33_en-batteries-are-on?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Abonnieren jetzt&quot;,&quot;action&quot;:null,&quot;class&quot;:&quot;button-wrapper&quot;}" data-component-name="ButtonCreateButton"><a class="button primary button-wrapper" href="/__u/solarletter.substack.com/subscribe"><span>Abonnieren jetzt</span></a></p><p>Sunny Regards!</p>]]></content:encoded></item><item><title><![CDATA[Solarletter #33_ES - Las baterías van camino de convertirse en el pilar del sistema eléctrico]]></title><description><![CDATA[Tambi&#233;n: El team e&#243;lica-fotovoltaica superan al gas a nivel mundial por primera vez, RENOVABLES S&#205;: una campa&#241;a para recuperar el relato del sector y Los m&#243;dulos fotovoltaicos siguen encareci&#233;ndose]]></description><link>https://solarletter.substack.com/p/solarletter-33_es-las-baterias-van</link><guid isPermaLink="false">https://solarletter.substack.com/p/solarletter-33_es-las-baterias-van</guid><dc:creator><![CDATA[Imanol Matanza Medina]]></dc:creator><pubDate>Fri, 05 Jun 2026 07:45:49 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!6wxP!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e8ba495-759c-41cb-a843-84c2d7b11401_1381x814.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<p>Hola a todos y bienvenidos de nuevo a Solarletter. Mi nombre es <a href="https://www.linkedin.com/in/imanol-matanza-medina-305271150/">Imanol Matanza</a> y trato de compartir contigo las <strong>&#250;ltimas noticias, avances tecnol&#243;gicos y tendencias en el campo de la energ&#237;a fotovoltaica</strong>. A trav&#233;s de Solarletter, espero aportarte <strong>informaci&#243;n valiosa, an&#225;lisis de mercado, estado del arte y peque&#241;os consejos pr&#225;cticos</strong> que te ayudar&#225;n a mantenerte al tanto de los desarrollos m&#225;s recientes en la industria fotovoltaica. </p><p>En esta edici&#243;n me toca pedir disculpas, llevo desde febrero sin escribir&#8230; se me ha olvidado completamente la forma de mi teclado. Pero puedo decir que ha sido por una buena causa, hemos comprado una casa cerca de Fr&#225;nkfurt (si, d&#243;nde las salchichas). A las tardes y los fines de semana tocaba desempaquetar cajas, montar muebles, comprar cosas, pintar, arreglar, etc&#8230; En los v&#237;deos de reformas de casas todo parece muy bonito y entretenido, pero ya nos cansamos de ir al centro de bricolaje. &#161;Es hora de volver a la fotovoltaica, la Solarletter est&#225; de vuelta!</p><p>Si no os lo quer&#233;is perder, os dejo un link aqu&#237;:</p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/subscribe"><span>Subscribe now</span></a></p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-33_es-las-baterias-van?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-33_es-las-baterias-van?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p><p>Siempre estoy abierto a sugerencias, preguntas y comentarios, as&#237; que no dudes en contactarme. &#161;Si te gusta, no dudes en subscribirte y compartirla!</p><p>Ahora s&#237;, vamos con un par de noticias interesantes!</p><div><hr></div><h4><strong>Las bater&#237;as van camino de convertirse en el pilar del sistema el&#233;ctrico</strong></h4><p>Durante a&#241;os, el almacenamiento con bater&#237;as ha sido considerado el complemento ideal para las energ&#237;as renovables. Sin embargo, seg&#250;n un reciente an&#225;lisis de la <em><a href="https://www.iea.org/commentaries/battery-storage-is-scaling-up-and-taking-on-a-larger-system-role">International Energy Agency</a></em> (IEA), el sector ha alcanzado una nueva fase de madurez y comienza a convertirse en un pilar del sistema el&#233;ctrico: <strong>las fuertes bajadas de precios, r&#225;pida instalaci&#243;n y su sencilla escalabilidad han logrado que en 2025 se bata un nuevo r&#233;cord de instalaci&#243;n.</strong></p><p>Si durante los &#250;ltimos a&#241;os hemos hablado de la fotovoltaica como la tecnolog&#237;a que m&#225;s r&#225;pido crece en el mundo, la <em>IEA </em>nos recuerda ahora que el almacenamiento va a seguir los mismos pasos. En su &#250;ltimo an&#225;lisis, la IEA destaca que <strong>en 2025 se instalaron 108 GW de nueva capacidad en todo el mundo</strong>, un 40% m&#225;s que en 2024, superando incluso el r&#233;cord hist&#243;rico anual de nuevas centrales de gas, que se situ&#243; en 107 GW en 2002.</p><p>&#191;Pero d&#243;nde se sit&#250;a la mayor parte de esa capacidad?<strong> </strong>Como muchos ya habr&#233;is intu&#237;do, <strong>China lidera el despliegue global con m&#225;s de 63 GW instalados en 2025, seguida por Estados Unidos con 19 GW</strong>. Sin embargo, el crecimiento empieza a extenderse a nuevos mercados. Australia con 8 GW multiplic&#243; por nueve sus instalaciones respecto al a&#241;o anterior, mientras que Arabia Saud&#237; y Chile est&#225;n apostando por las bater&#237;as para integrar una cantidad cada vez mayor de generaci&#243;n renovable.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!w5nt!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F05ec163c-84dd-44d6-85f4-c878838e5ff1_684x566.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!w5nt!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F05ec163c-84dd-44d6-85f4-c878838e5ff1_684x566.png 424w, /__u/substackcdn.com/image/fetch/$s_!w5nt!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F05ec163c-84dd-44d6-85f4-c878838e5ff1_684x566.png 848w, /__u/substackcdn.com/image/fetch/$s_!w5nt!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F05ec163c-84dd-44d6-85f4-c878838e5ff1_684x566.png 1272w, /__u/substackcdn.com/image/fetch/$s_!w5nt!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F05ec163c-84dd-44d6-85f4-c878838e5ff1_684x566.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!rWMJ!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F44f59111-233d-4798-8245-7752eac76099_682x564.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!rWMJ!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F44f59111-233d-4798-8245-7752eac76099_682x564.png 424w, /__u/substackcdn.com/image/fetch/$s_!rWMJ!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F44f59111-233d-4798-8245-7752eac76099_682x564.png 848w, /__u/substackcdn.com/image/fetch/$s_!rWMJ!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F44f59111-233d-4798-8245-7752eac76099_682x564.png 1272w, /__u/substackcdn.com/image/fetch/$s_!rWMJ!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F44f59111-233d-4798-8245-7752eac76099_682x564.png 1456w" sizes="100vw"><img 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F44f59111-233d-4798-8245-7752eac76099_682x564.png 424w, /__u/substackcdn.com/image/fetch/$s_!rWMJ!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F44f59111-233d-4798-8245-7752eac76099_682x564.png 848w, /__u/substackcdn.com/image/fetch/$s_!rWMJ!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F44f59111-233d-4798-8245-7752eac76099_682x564.png 1272w, /__u/substackcdn.com/image/fetch/$s_!rWMJ!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F44f59111-233d-4798-8245-7752eac76099_682x564.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a><figcaption class="image-caption">Source: <em>International Energhy Agency</em> (IEA)</figcaption></figure></div><p>C&#243;mo se observa en las gr&#225;ficas, la mayor parte de la capacidad instalada, 87 GW, se sit&#250;a en el segmento de las <em>Utility-Scale</em>. Mientras que la capacidad instalada coubicada con proyectos renovabes cuenta con 24 GW. Esto tiene sentido, ya que estas bater&#237;as conectadas directamente a red ayudan a regular la generaci&#243;n intermitente de las renovables ya instaladas.</p><p>Uno de los cambios m&#225;s interesantes que destaca la IEA es la evoluci&#243;n del propio uso de las bater&#237;as. Hace una d&#233;cada, la mayor&#237;a de los proyectos estaban dise&#241;ados para participar en mercados de servicios auxiliares. Mercados m&#225;s singulares y escasos, pero con buenas renatabilidades como el de regulaci&#243;n de frecuencia o reservas operativas. Hoy la situaci&#243;n es muy distinta, <strong>m&#225;s del 90% de los nuevos proyectos tienen un objetivo sencillo, desplazar energ&#237;a a lo largo del d&#237;a</strong>, frente al 40% que representaban en 2015. En otras palabras, las bater&#237;as est&#225;n pasando de estabilizar la red a almacenar grandes cantidades de energ&#237;a renovable para utilizarlas cuando realmente se necesitan.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!t8_d!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F829e5d58-feeb-48b2-b71b-5c665f97beaa_2259x1189.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!t8_d!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F829e5d58-feeb-48b2-b71b-5c665f97beaa_2259x1189.png 424w, 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/__u/substackcdn.com/image/fetch/$s_!t8_d!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F829e5d58-feeb-48b2-b71b-5c665f97beaa_2259x1189.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>La raz&#243;n por la que esto ha ocurrido es simple, la espectacular ca&#237;da de costes. Seg&#250;n la IEA, <strong>el coste de las bater&#237;as se ha reducido m&#225;s de un 90% entre 2010 y 2025</strong>, impulsado por la innovaci&#243;n tecnol&#243;gica, la competencia industrial y las econom&#237;as de escala. Adem&#225;s, la duraci&#243;n media de los sistemas sigue aumentando. Mientras que hace pocos a&#241;os predominaban las bater&#237;as de dos horas, cada vez son m&#225;s frecuentes los proyectos capaces de almacenar energ&#237;a durante cuatro horas o m&#225;s.</p><p>La consecuencia es que las bater&#237;as est&#225;n empezando a asumir funciones cada vez m&#225;s importantes dentro del sistema el&#233;ctrico. <strong>California </strong>es probablemente el mejor ejemplo. <strong>Con una potencia fotovoltaica que ya supera los 55 GW, las bater&#237;as llegaron a cubrir m&#225;s del 40% de la demanda el&#233;ctrica durante una tarde de marzo de 2026</strong>.</p><p>Adem&#225;s de su competitividad econ&#243;mica, <strong>las bater&#237;as destacan por su rapidez de despliegue</strong>. Seg&#250;n la IEA, un sistema de almacenamiento a gran escala puede construirse en unos <strong>275 d&#237;as</strong>, frente a m&#225;s de dos a&#241;os para una central de gas o m&#225;s de seis a&#241;os para una nuclear. Incluso teniendo en cuenta permisos y conexi&#243;n a red, las bater&#237;as siguen siendo una de las soluciones m&#225;s r&#225;pidas para aportar flexibilidad al sistema el&#233;ctrico.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!IsdF!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd114cee7-f91b-42dc-94db-84c7425168a8_1141x959.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!IsdF!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd114cee7-f91b-42dc-94db-84c7425168a8_1141x959.png 424w, /__u/substackcdn.com/image/fetch/$s_!IsdF!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd114cee7-f91b-42dc-94db-84c7425168a8_1141x959.png 848w, /__u/substackcdn.com/image/fetch/$s_!IsdF!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd114cee7-f91b-42dc-94db-84c7425168a8_1141x959.png 1272w, /__u/substackcdn.com/image/fetch/$s_!IsdF!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd114cee7-f91b-42dc-94db-84c7425168a8_1141x959.png 424w, /__u/substackcdn.com/image/fetch/$s_!IsdF!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd114cee7-f91b-42dc-94db-84c7425168a8_1141x959.png 848w, /__u/substackcdn.com/image/fetch/$s_!IsdF!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd114cee7-f91b-42dc-94db-84c7425168a8_1141x959.png 1272w, /__u/substackcdn.com/image/fetch/$s_!IsdF!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd114cee7-f91b-42dc-94db-84c7425168a8_1141x959.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>La conclusi&#243;n es clara: </p><div class="pullquote"><p>Las bater&#237;as ya no son simplemente el compa&#241;ero ideal de la fotovoltaica. Se est&#225;n convirtiendo en una infraestructura cr&#237;tica para la transici&#243;n energ&#233;tica, capaz de aportar flexibilidad, estabilidad y capacidad de integraci&#243;n renovable.</p></div><h4>_</h4><h4><strong>El </strong><em><strong>team</strong></em><strong> e&#243;lica-fotovoltaica superan al gas a nivel mundial por primera vez</strong></h4><p>Hace unos meses coment&#225;bamos en la <a href="/__u/solarletter.substack.com/i/184949316/informe-de-ember-european-electricity-review-2026">Solarletter #32</a> c&#243;mo la e&#243;lica y la fotovoltaica hab&#237;an logrado superar a los combustibles f&#243;siles en Europa. Ahora, <a href="https://www.linkedin.com/in/petra-hannen-berlin/">Petra Hannen</a> publica en <a href="https://www.pv-magazine.com/2026/05/22/solar-and-wind-generated-more-electricity-globally-than-gas-power-for-the-first-time-in-april/?utm_source=scm_gl&amp;utm_medium=newsletter&amp;utm_campaign=2026_weekly">PV-Magazine</a> que la tendencia empieza a observarse tambi&#233;n a escala global.</p><p><strong>Por primera vez en la historia, durante un mes completo, la generaci&#243;n conjunta de energ&#237;a e&#243;lica y fotovoltaica super&#243; a la generaci&#243;n el&#233;ctrica con gas natural</strong>. En abril de 2026, ambas tecnolog&#237;as produjeron 531 TWh, equivalentes al 22% de toda la electricidad mundial, mientras que las centrales de gas generaron 477 TWh, representando el 20% del mix el&#233;ctrico global.</p><p>Quiz&#225;s el dato m&#225;s llamativo sea la comparaci&#243;n con hace tan solo cinco a&#241;os. En <strong>abril de 2021</strong>, la generaci&#243;n el&#233;ctrica con <strong>gas </strong>ya se situaba en torno a <strong>476 TWh</strong>, pr&#225;cticamente el mismo nivel actual. Sin embargo, la producci&#243;n conjunta de <strong>e&#243;lica y solar</strong> apenas alcanzaba los <strong>245 TWh</strong>, menos de la mitad que hoy. En otras palabras, mientras el gas se ha mantenido pr&#225;cticamente estancado, la generaci&#243;n renovable ha logrado m&#225;s que duplicarse en ese mismo periodo.</p><p>Este hito no es consecuencia directa de la reciente crisis energ&#233;tica internacional, sino del crecimiento continuado de la e&#243;lica y la fotovoltaica. De hecho, ambas tecnolog&#237;as han sido capaces de cubrir gran parte del aumento de la demanda el&#233;ctrica mundial de los &#250;ltimos a&#241;os, limitando la necesidad de incrementar la generaci&#243;n con gas. Adem&#225;s, el informe destaca que no existe evidencia de una sustituci&#243;n generalizada del gas por carb&#243;n, a pesar de las tensiones energ&#233;ticas internacionales.</p><p>Es cierto que abril es uno de los meses m&#225;s favorables para las renovables, especialmente en el hemisferio norte, donde coinciden una elevada producci&#243;n e&#243;lica, el aumento de la irradiaci&#243;n solar y una demanda el&#233;ctrica moderada entre las temporadas de calefacci&#243;n y refrigeraci&#243;n. Aun as&#237;, el mensaje es claro, la distancia entre las renovables y el gas se reduce cada a&#241;o m&#225;s r&#225;pido. Un nuevo hito que confirma que la transici&#243;n energ&#233;tica ya no es una tendencia exclusivamente europea, sino un fen&#243;meno global.</p><h4>_</h4><h4><strong>RENOVABLES S&#205;: una campa&#241;a para recuperar el relato del sector</strong></h4><p>En la <a href="/__u/solarletter.substack.com/p/solarletter-28_es-edicion-especial?r=1tk2u9">Solarletter #28</a> compart&#237; un resumen de algunos de los paneles del <a href="https://www.enercluster.com/cite-3/">CITE 2025</a>, organizado por <a href="https://www.enercluster.com/">Enercluster </a>en Pamplona. Uno de los temas recurrentes en varias mesas de debate fue la creciente dificultad para mantener la aceptaci&#243;n social de las energ&#237;as renovables. A pesar de que la fotovoltaica y la e&#243;lica son hoy tecnolog&#237;as maduras, competitivas y fundamentales para la descarbonizaci&#243;n, muchos proyectos encuentran cada vez m&#225;s oposici&#243;n local, en parte debido a la falta de informaci&#243;n y al desconocimiento de los beneficios que generan en el territorio.</p><blockquote><p><em>Hago un peque&#241;o inciso para aclarar que desde luego creo en las energ&#237;as renovables, no s&#243;lo en su generaci&#243;n de energ&#237;a limpia, si no tambi&#233;n en los beneficios que traen consigo a las comunidades locales. Cada proyecto se tiene que analizar y estudiar por separado. Por supuesto que habr&#225; proyectos cuyo &#250;nico objetivo sea llenar los bolsillos de unas pocas personas, pero muchas veces las renovables acaban llevando inversiones a zonas m&#225;s abandonadas.</em></p></blockquote><p>Con este contexto nace la campa&#241;a <strong>&#8220;<a href="https://laenergiamaspositiva.es/">RENOVABLES S&#205;</a> &#183; La energ&#237;a m&#225;s positiva&#8221;</strong>, impulsada por Enercluster, el cl&#250;ster de las energ&#237;as renovables de Navarra. La iniciativa busca acercar las renovables a la ciudadan&#237;a a trav&#233;s de testimonios reales de personas que conviven con ellas en su d&#237;a a d&#237;a, mostrando su impacto econ&#243;mico, social y medioambiental desde una perspectiva local.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!6wxP!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e8ba495-759c-41cb-a843-84c2d7b11401_1381x814.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!6wxP!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e8ba495-759c-41cb-a843-84c2d7b11401_1381x814.png 424w, /__u/substackcdn.com/image/fetch/$s_!6wxP!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e8ba495-759c-41cb-a843-84c2d7b11401_1381x814.png 848w, /__u/substackcdn.com/image/fetch/$s_!6wxP!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e8ba495-759c-41cb-a843-84c2d7b11401_1381x814.png 1272w, /__u/substackcdn.com/image/fetch/$s_!6wxP!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1e8ba495-759c-41cb-a843-84c2d7b11401_1381x814.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Entre los participantes encontramos alcaldes, agricultores, ganaderos, t&#233;cnicos ambientales y profesionales del sector que explican c&#243;mo las renovables han contribuido a financiar infraestructuras municipales, generar empleo local, mejorar caminos rurales o incluso permitir f&#243;rmulas de inversi&#243;n ciudadana en proyectos energ&#233;ticos. Uno de los testimonios resume bien el mensaje de la campa&#241;a: </p><div class="pullquote"><p>El beneficio que aportan las energ&#237;as renovables a la sociedad es superior al impacto que producen</p></div><p>Personalmente, me parece una iniciativa muy interesante y necesaria en muchas ocasiones. Durante a&#241;os el sector ha centrado gran parte de sus esfuerzos en desarrollar tecnolog&#237;a, reducir costes y acelerar la transici&#243;n energ&#233;tica. Sin embargo, quiz&#225;s no siempre ha sabido comunicar de forma sencilla qu&#233; beneficios aportan estas instalaciones a las comunidades donde se implantan. En un momento en el que Europa necesita m&#225;s electrificaci&#243;n, m&#225;s almacenamiento y m&#225;s renovables, explicar mejor su impacto positivo puede ser tan importante como construir nuevos megavatios.</p><p>La campa&#241;a culminar&#225; en octubre con la publicaci&#243;n de un mapa interactivo de las energ&#237;as renovables en Navarra y los principales resultados obtenidos durante la iniciativa.</p><h4>_</h4><h4><strong>Los m&#243;dulos fotovoltaicos siguen encareci&#233;ndose</strong></h4><p>Despu&#233;s de varios a&#241;os marcados por una fuerte sobrecapacidad industrial y una continua reducci&#243;n de precios, el mercado fotovoltaico parece estar entrando en una nueva fase. Seg&#250;n el &#250;ltimo an&#225;lisis de <a href="https://www.pvxchange.com/Price-Index">PVXchange</a>, <strong>los precios de los m&#243;dulos contin&#250;an su tendencia alcista iniciada a finales de 2025</strong>, impulsados por una combinaci&#243;n de factores regulatorios y econ&#243;micos que est&#225;n reduciendo la presi&#243;n competitiva sobre los fabricantes chinos.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!zsyc!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9f4d9828-b033-45bb-8b39-e5f59273b01f_817x406.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!zsyc!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9f4d9828-b033-45bb-8b39-e5f59273b01f_817x406.png 424w, /__u/substackcdn.com/image/fetch/$s_!zsyc!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9f4d9828-b033-45bb-8b39-e5f59273b01f_817x406.png 848w, /__u/substackcdn.com/image/fetch/$s_!zsyc!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9f4d9828-b033-45bb-8b39-e5f59273b01f_817x406.png 1272w, /__u/substackcdn.com/image/fetch/$s_!zsyc!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9f4d9828-b033-45bb-8b39-e5f59273b01f_817x406.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!zsyc!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9f4d9828-b033-45bb-8b39-e5f59273b01f_817x406.png" width="817" height="406" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/9f4d9828-b033-45bb-8b39-e5f59273b01f_817x406.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:406,&quot;width&quot;:817,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:22605,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/200618080?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9f4d9828-b033-45bb-8b39-e5f59273b01f_817x406.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="/__u/substackcdn.com/image/fetch/$s_!zsyc!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9f4d9828-b033-45bb-8b39-e5f59273b01f_817x406.png 424w, /__u/substackcdn.com/image/fetch/$s_!zsyc!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9f4d9828-b033-45bb-8b39-e5f59273b01f_817x406.png 848w, /__u/substackcdn.com/image/fetch/$s_!zsyc!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9f4d9828-b033-45bb-8b39-e5f59273b01f_817x406.png 1272w, /__u/substackcdn.com/image/fetch/$s_!zsyc!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9f4d9828-b033-45bb-8b39-e5f59273b01f_817x406.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Uno de los elementos m&#225;s relevantes es <strong>la reducci&#243;n de las devoluciones fiscales a la exportaci&#243;n aprobada por el Gobierno chino</strong> a comienzos de a&#241;o, una medida que ya comentamos en la <a href="/__u/solarletter.substack.com/i/184949316/aviso-a-navegantes-punto-de-inflexion-para-el-precio-de-los-modulos">Solarletter #32</a>. A ello sobre la dependencia de la cadena de suministro asi&#225;tica. Como resultado, los fabricantes est&#225;n recuperando parte de los m&#225;rgenes perdidos durante los &#250;ltimos a&#241;os, trasladando gradualmente estos incrementos al mercado.</p><p>La gr&#225;fica de PVXchange muestra c&#243;mo los precios han encadenado varios meses consecutivos de subida, algo que no ve&#237;amos desde hace tiempo. Aunque todav&#237;a es pronto para saber d&#243;nde se estabilizar&#225; el mercado, parece claro que la era de los m&#243;dulos cada vez m&#225;s baratos podr&#237;a haber llegado a su fin. </p><p>Ser&#225; interesante seguir la evoluci&#243;n durante los pr&#243;ximos meses y comprobar hasta qu&#233; punto esta tendencia afecta a la rentabilidad de los nuevos proyectos fotovoltaicos.</p><h4>_</h4><h4><strong>El consejillo de la edici&#243;n</strong></h4><p>Hoy hablamos de las <strong>marcas de torque en los tornillos</strong>. Para los que jugasteis a Pok&#233;mon en vuestra infancia, tranquilos, esas marcas de pintura sobre los tornillos no son jerogl&#237;ficos escritos por los Unown. Aunque a veces lo parezca, tienen una funci&#243;n muy concreta y extremadamente &#250;til en mantenimiento e inspecci&#243;n.</p><div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!dmxc!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe9f84357-d423-4dda-a371-f6f1eca1b0ea_400x400.webp" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!dmxc!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe9f84357-d423-4dda-a371-f6f1eca1b0ea_400x400.webp 424w, /__u/substackcdn.com/image/fetch/$s_!dmxc!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe9f84357-d423-4dda-a371-f6f1eca1b0ea_400x400.webp 848w, /__u/substackcdn.com/image/fetch/$s_!dmxc!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe9f84357-d423-4dda-a371-f6f1eca1b0ea_400x400.webp 1272w, /__u/substackcdn.com/image/fetch/$s_!dmxc!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe9f84357-d423-4dda-a371-f6f1eca1b0ea_400x400.webp 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!dmxc!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe9f84357-d423-4dda-a371-f6f1eca1b0ea_400x400.webp" width="202" height="202" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/e9f84357-d423-4dda-a371-f6f1eca1b0ea_400x400.webp&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:400,&quot;width&quot;:400,&quot;resizeWidth&quot;:202,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Unown (I) - Pok&#233;mon Info, Stats &amp; where to find it - Pok&#233;PC&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Unown (I) - Pok&#233;mon Info, Stats &amp; where to find it - Pok&#233;PC" title="Unown (I) - Pok&#233;mon Info, Stats &amp; where to find it - Pok&#233;PC" srcset="/__u/substackcdn.com/image/fetch/$s_!dmxc!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe9f84357-d423-4dda-a371-f6f1eca1b0ea_400x400.webp 424w, /__u/substackcdn.com/image/fetch/$s_!dmxc!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe9f84357-d423-4dda-a371-f6f1eca1b0ea_400x400.webp 848w, /__u/substackcdn.com/image/fetch/$s_!dmxc!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe9f84357-d423-4dda-a371-f6f1eca1b0ea_400x400.webp 1272w, /__u/substackcdn.com/image/fetch/$s_!dmxc!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe9f84357-d423-4dda-a371-f6f1eca1b0ea_400x400.webp 1456w" sizes="100vw" loading="lazy"></picture><div></div></div></a></figure></div><p>Se trata de una pr&#225;ctica conocida como <em><strong>Torque Marking</strong></em>. Una vez aplicado el par de apriete especificado por el fabricante en su manual de instalaci&#243;n, se pinta una l&#237;nea entre la cabeza del tornillo, la tuerca y la pieza sobre la que est&#225; montado. De esta forma, durante una inspecci&#243;n visual posterior, es posible comprobar de un vistazo si el tornillo ha girado o se ha aflojado. Si la l&#237;nea deja de estar alineada, es una se&#241;al clara de que la uni&#243;n mec&#225;nica debe revisarse.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!tmKQ!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d4f2aef-5542-442a-a17b-36ef8533163d_695x517.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!tmKQ!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d4f2aef-5542-442a-a17b-36ef8533163d_695x517.png 424w, /__u/substackcdn.com/image/fetch/$s_!tmKQ!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d4f2aef-5542-442a-a17b-36ef8533163d_695x517.png 848w, /__u/substackcdn.com/image/fetch/$s_!tmKQ!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d4f2aef-5542-442a-a17b-36ef8533163d_695x517.png 1272w, /__u/substackcdn.com/image/fetch/$s_!tmKQ!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d4f2aef-5542-442a-a17b-36ef8533163d_695x517.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!tmKQ!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d4f2aef-5542-442a-a17b-36ef8533163d_695x517.png" width="326" height="242.5064748201439" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/7d4f2aef-5542-442a-a17b-36ef8533163d_695x517.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:517,&quot;width&quot;:695,&quot;resizeWidth&quot;:326,&quot;bytes&quot;:614431,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/200618080?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F973ef6c4-05c0-4560-ab48-5ab348899964_863x655.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="/__u/substackcdn.com/image/fetch/$s_!tmKQ!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d4f2aef-5542-442a-a17b-36ef8533163d_695x517.png 424w, /__u/substackcdn.com/image/fetch/$s_!tmKQ!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d4f2aef-5542-442a-a17b-36ef8533163d_695x517.png 848w, /__u/substackcdn.com/image/fetch/$s_!tmKQ!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d4f2aef-5542-442a-a17b-36ef8533163d_695x517.png 1272w, /__u/substackcdn.com/image/fetch/$s_!tmKQ!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d4f2aef-5542-442a-a17b-36ef8533163d_695x517.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>En instalaciones fotovoltaicas <em>Utility-Scale</em> resulta especialmente &#250;til considerando la cantidad de tornillos que existen en las estructuras de montaje. Adem&#225;s de facilitar y agiizar el trabajo de O&amp;M, tambi&#233;n permite verificar r&#225;pidamente que el instalador ha aplicado el par de apriete correspondiente.</p><p>Eso s&#237;, conviene recordar que el torque marking <strong>no sustituye a la comprobaci&#243;n del par de apriete</strong>, sino que act&#250;a como una herramienta complementaria de inspecci&#243;n visual. Una soluci&#243;n simple, econ&#243;mica y r&#225;pida de implementar que puede ahorrar muchas horas... y alg&#250;n que otro dolor de cabeza si la instalaci&#243;n quiere echar a volar.</p><div><hr></div><p>Hasta aqu&#237; la edici&#243;n. Espero que os haya gustado y amenizado el caf&#233;, el viaje en transporte p&#250;blico o inicio de la siesta. <strong>Cualquier sugerencia, recomendaci&#243;n o comentario pod&#233;is responder a este mismo correo</strong>.</p><p>Si te ha gustado, ay&#250;dame a darle un segundo empuj&#243;n <strong>comparti&#233;ndolo en tus redes sociales, con tus amigos o compa&#241;eros de trabajo</strong>. Y si no te ha gustado, te pido disculpas, pero no se aceptan devoluciones.</p><div class="captioned-button-wrap" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-33_es-las-baterias-van?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="CaptionedButtonToDOM"><div class="preamble"><p class="cta-caption">Thank you for reading Solarletter. This post is public so feel free to share it.</p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-33_es-las-baterias-van?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-33_es-las-baterias-van?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/subscribe"><span>Subscribe now</span></a></p><p>&#161;Saludos solares!</p>]]></content:encoded></item><item><title><![CDATA[Solarletter #32_EN - EMBER Report - European Electricity Review 2026]]></title><description><![CDATA[Also: PPAs Rise in the United States While They Continue to Fall in Europe, Paradigm Shift in German Renewable Auctions y Warning to the Market: A Turning Point for Module Prices]]></description><link>https://solarletter.substack.com/p/solarletter-31_en-ember-report-european</link><guid isPermaLink="false">https://solarletter.substack.com/p/solarletter-31_en-ember-report-european</guid><dc:creator><![CDATA[Imanol Matanza Medina]]></dc:creator><pubDate>Tue, 10 Feb 2026 09:02:27 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!ebfB!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8877d3ad-3f23-4491-aa22-7610536a0c57_439x577.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="pullquote"><p>Please note that text below has been translated from the spanish version by using AI</p></div><p>Hello everyone and welcome back to Solarletter. My name is Imanol Matanza, and I aim to share with you the <strong>latest news, technological advancements, and trends in the field of photovoltaic energy</strong>. Through Solarletter, I hope to provide you with <strong>valuable information, market analysis, state-of-the-art updates, and practical tips</strong> that will help you stay informed about the latest developments in the photovoltaic industry.</p><p>If you do not want to miss future editions, I leave a link here:</p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/subscribe"><span>Subscribe now</span></a></p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-31_en-ember-report-european?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-31_en-ember-report-european?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p><p>I am always open to suggestions, questions, and comments, so please feel free to contact me. If you like it, don't hesitate to subscribe and share!</p><p>Alright, let us go with a couple of interesting pieces of news!</p><div><hr></div><h4><strong>EMBER Report - European Electricity Review 2026</strong></h4><p>Now that we are already well into February, in the previous edition of <a href="/__u/solarletter.substack.com/i/184949389/solar-power-europe-a-look-toward-2030">Solarletter #31</a> we shared a report with a rather pessimistic tone regarding the future of photovoltaics in Europe. For this reason, this time it is appropriate to restore balance and present an analysis that offers a much more positive outlook. The significant increase in renewable capacity over recent years is finally beginning to deliver results. Stay with us, and we will show them to you.</p><p>The latest <em><a href="https://ember-energy.org/latest-insights/european-electricity-review-2026/2025-at-a-glance/">European Electricity Review</a></em> by <a href="https://ember-energy.org/">Ember</a> provides a very clear picture of the European power system in 2025: <strong>renewable energy sources now account for almost half of all electricity consumed in the European Union</strong>. Solar and wind energy are working together to bring an end to coal.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!IHEe!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F50a1e84e-e269-43b2-8553-b11d23a00a63_753x804.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!IHEe!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F50a1e84e-e269-43b2-8553-b11d23a00a63_753x804.png 424w, /__u/substackcdn.com/image/fetch/$s_!IHEe!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F50a1e84e-e269-43b2-8553-b11d23a00a63_753x804.png 848w, /__u/substackcdn.com/image/fetch/$s_!IHEe!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F50a1e84e-e269-43b2-8553-b11d23a00a63_753x804.png 1272w, /__u/substackcdn.com/image/fetch/$s_!IHEe!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F50a1e84e-e269-43b2-8553-b11d23a00a63_753x804.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!IHEe!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F50a1e84e-e269-43b2-8553-b11d23a00a63_753x804.png" width="753" height="804" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/50a1e84e-e269-43b2-8553-b11d23a00a63_753x804.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:804,&quot;width&quot;:753,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:112712,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/184949316?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F50a1e84e-e269-43b2-8553-b11d23a00a63_753x804.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" title="" srcset="/__u/substackcdn.com/image/fetch/$s_!IHEe!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F50a1e84e-e269-43b2-8553-b11d23a00a63_753x804.png 424w, /__u/substackcdn.com/image/fetch/$s_!IHEe!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F50a1e84e-e269-43b2-8553-b11d23a00a63_753x804.png 848w, /__u/substackcdn.com/image/fetch/$s_!IHEe!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F50a1e84e-e269-43b2-8553-b11d23a00a63_753x804.png 1272w, /__u/substackcdn.com/image/fetch/$s_!IHEe!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F50a1e84e-e269-43b2-8553-b11d23a00a63_753x804.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Indeed, the European electricity system reached a <strong>point of no return in 2025. For the first time, wind and solar power generated more electricity than all fossil fuel sources combined</strong>. Together, these two technologies accounted for <strong>30.1% of EU electricity generation</strong> (841 TWh), compared to<strong> 29.0% from coal, gas, and oil</strong> (809 TWh).</p><p>This milestone is the result of a sustained trend. Over the past five years, the combined share of wind and solar increased by <strong>more than 10 percentage points</strong>, rising from <strong>19.7% in 2020 to 30.1% in 2025</strong>, while <strong>fossil generation fell</strong> <strong>by almost 8 percentage points, from 36.7% to 29.0%</strong>. Other low-carbon technologies, such as hydropower and nuclear, have remained stable or recorded slight declines. Taken together, the data confirm that <strong>solar and wind</strong> are no longer complementary technologies, but rather the <strong>central pillars of the new European electricity mix</strong>.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!hZwo!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F34015e3a-ac6f-4fd9-b639-5f352438f5b5_752x1189.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!hZwo!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F34015e3a-ac6f-4fd9-b639-5f352438f5b5_752x1189.png 424w, /__u/substackcdn.com/image/fetch/$s_!hZwo!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F34015e3a-ac6f-4fd9-b639-5f352438f5b5_752x1189.png 848w, /__u/substackcdn.com/image/fetch/$s_!hZwo!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F34015e3a-ac6f-4fd9-b639-5f352438f5b5_752x1189.png 1272w, /__u/substackcdn.com/image/fetch/$s_!hZwo!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F34015e3a-ac6f-4fd9-b639-5f352438f5b5_752x1189.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!hZwo!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F34015e3a-ac6f-4fd9-b639-5f352438f5b5_752x1189.png" width="752" height="1189" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/34015e3a-ac6f-4fd9-b639-5f352438f5b5_752x1189.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:1189,&quot;width&quot;:752,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:176971,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/184949316?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F34015e3a-ac6f-4fd9-b639-5f352438f5b5_752x1189.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" title="" srcset="/__u/substackcdn.com/image/fetch/$s_!hZwo!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F34015e3a-ac6f-4fd9-b639-5f352438f5b5_752x1189.png 424w, /__u/substackcdn.com/image/fetch/$s_!hZwo!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F34015e3a-ac6f-4fd9-b639-5f352438f5b5_752x1189.png 848w, /__u/substackcdn.com/image/fetch/$s_!hZwo!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F34015e3a-ac6f-4fd9-b639-5f352438f5b5_752x1189.png 1272w, /__u/substackcdn.com/image/fetch/$s_!hZwo!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F34015e3a-ac6f-4fd9-b639-5f352438f5b5_752x1189.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Within this renewable block, there is one undisputed protagonist. <strong>Solar energy was the fastest-growing technology in the European Union in 2025</strong>, surpassing all other sources of power generation. No other electricity technology, renewable or fossil, added as much new generation in a single year.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!oyF9!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd8d9e1b1-aaed-4235-9d9c-568925a0f6ad_751x707.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!oyF9!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd8d9e1b1-aaed-4235-9d9c-568925a0f6ad_751x707.png 424w, /__u/substackcdn.com/image/fetch/$s_!oyF9!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd8d9e1b1-aaed-4235-9d9c-568925a0f6ad_751x707.png 848w, /__u/substackcdn.com/image/fetch/$s_!oyF9!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd8d9e1b1-aaed-4235-9d9c-568925a0f6ad_751x707.png 1272w, /__u/substackcdn.com/image/fetch/$s_!oyF9!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd8d9e1b1-aaed-4235-9d9c-568925a0f6ad_751x707.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!oyF9!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd8d9e1b1-aaed-4235-9d9c-568925a0f6ad_751x707.png" width="751" height="707" 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd8d9e1b1-aaed-4235-9d9c-568925a0f6ad_751x707.png 424w, /__u/substackcdn.com/image/fetch/$s_!oyF9!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd8d9e1b1-aaed-4235-9d9c-568925a0f6ad_751x707.png 848w, /__u/substackcdn.com/image/fetch/$s_!oyF9!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd8d9e1b1-aaed-4235-9d9c-568925a0f6ad_751x707.png 1272w, /__u/substackcdn.com/image/fetch/$s_!oyF9!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd8d9e1b1-aaed-4235-9d9c-568925a0f6ad_751x707.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Even more important than the volume is the geographical spread: <strong>solar generation increased in virtually every country of the European Union</strong>.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!24Uq!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6ffed8a4-9234-44d8-951d-d8ce664c0419_754x753.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!24Uq!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6ffed8a4-9234-44d8-951d-d8ce664c0419_754x753.png 424w, /__u/substackcdn.com/image/fetch/$s_!24Uq!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6ffed8a4-9234-44d8-951d-d8ce664c0419_754x753.png 848w, /__u/substackcdn.com/image/fetch/$s_!24Uq!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6ffed8a4-9234-44d8-951d-d8ce664c0419_754x753.png 1272w, /__u/substackcdn.com/image/fetch/$s_!24Uq!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6ffed8a4-9234-44d8-951d-d8ce664c0419_754x753.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!24Uq!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6ffed8a4-9234-44d8-951d-d8ce664c0419_754x753.png" width="754" height="753" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/6ffed8a4-9234-44d8-951d-d8ce664c0419_754x753.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:753,&quot;width&quot;:754,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:83159,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/184949316?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6ffed8a4-9234-44d8-951d-d8ce664c0419_754x753.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" title="" srcset="/__u/substackcdn.com/image/fetch/$s_!24Uq!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6ffed8a4-9234-44d8-951d-d8ce664c0419_754x753.png 424w, /__u/substackcdn.com/image/fetch/$s_!24Uq!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6ffed8a4-9234-44d8-951d-d8ce664c0419_754x753.png 848w, /__u/substackcdn.com/image/fetch/$s_!24Uq!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6ffed8a4-9234-44d8-951d-d8ce664c0419_754x753.png 1272w, /__u/substackcdn.com/image/fetch/$s_!24Uq!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6ffed8a4-9234-44d8-951d-d8ce664c0419_754x753.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>The most visible consequence of this transformation appears at the end of the analysis: <strong>coal continues to decline and now represents only 9.2% of European electricity generation</strong>. In almost all EU countries, <strong>coal has fallen to 5% or less of the electricity mix</strong>, and most notably, <strong>it is not being fully replaced by gas</strong>. The final chart of the report makes this clear: the phase-out of coal is being largely compensated by renewables, especially solar and wind, rather than by a simple shift from one fossil fuel to another.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!PP85!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa677c224-23a9-4f71-bba0-2030a632f6ed_750x893.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!PP85!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa677c224-23a9-4f71-bba0-2030a632f6ed_750x893.png 424w, /__u/substackcdn.com/image/fetch/$s_!PP85!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa677c224-23a9-4f71-bba0-2030a632f6ed_750x893.png 848w, /__u/substackcdn.com/image/fetch/$s_!PP85!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa677c224-23a9-4f71-bba0-2030a632f6ed_750x893.png 1272w, /__u/substackcdn.com/image/fetch/$s_!PP85!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa677c224-23a9-4f71-bba0-2030a632f6ed_750x893.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!PP85!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa677c224-23a9-4f71-bba0-2030a632f6ed_750x893.png" width="750" height="893" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/a677c224-23a9-4f71-bba0-2030a632f6ed_750x893.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:893,&quot;width&quot;:750,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:156352,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/184949316?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa677c224-23a9-4f71-bba0-2030a632f6ed_750x893.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" title="" srcset="/__u/substackcdn.com/image/fetch/$s_!PP85!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa677c224-23a9-4f71-bba0-2030a632f6ed_750x893.png 424w, /__u/substackcdn.com/image/fetch/$s_!PP85!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa677c224-23a9-4f71-bba0-2030a632f6ed_750x893.png 848w, /__u/substackcdn.com/image/fetch/$s_!PP85!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa677c224-23a9-4f71-bba0-2030a632f6ed_750x893.png 1272w, /__u/substackcdn.com/image/fetch/$s_!PP85!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa677c224-23a9-4f71-bba0-2030a632f6ed_750x893.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>The underlying message is powerful. <strong>Solar energy has not only grown rapidly, but has directly pushed the most polluting technologies out of the electricity mix</strong>, without creating a new dependence on gas. However, as we saw in <a href="/__u/solarletter.substack.com/i/184949389/solar-power-europe-a-look-toward-2030">Solarletter #31</a>, this progress also introduces new challenges related to electricity grids, storage, pricing, and cannibalisation. </p><div class="pullquote"><p>Will solar energy continue to gain ground in 2026 and set new milestones?</p></div><h4>_</h4><h4><strong>PPAs Rise in the United States While They Continue to Fall in Europe</strong></h4><p>A good indicator for analysing trends in renewable energy is undoubtedly PPA pricing. According to a report by <a href="https://www.pv-tech.org/north-american-solar-ppa-prices-climb-us61-67-mwh-european-prices-continue-fall/?utm_source=eloqua&amp;utm_medium=email&amp;utm_campaign=NL_NAM25PVTech_20260202&amp;sp_cid=865&amp;utm_content=NL_NAM25PVTech_20260202&amp;sp_eh=ab6ef1f224bb2efbe28f9e7a5cb616838810ec4bc3283a0ad7323630217d7bb8">PV Tech</a>, <strong>solar PPA prices in North America closed 2025 on an upward trend</strong>. Between the third and fourth quarters, the average price increased by <strong>3.2%</strong>, reaching <strong>USD 61.67/MWh</strong>, according to the latest reports published by <a href="https://www.leveltenenergy.com/">LevelTen Energy</a>. Considering the full year, <strong>the increase was close to 9%.</strong></p><p>Some key takeaways are as follows:</p><ul><li><p><strong>Solar PV </strong>remains the technology with the <strong>lowest PPA prices</strong> in the region, with prices reaching <strong>USD 59.77/MWh</strong>.</p></li><li><p><strong>Wind </strong>PPAs are priced at around<strong> USD 73.77/MWh</strong>.</p></li><li><p><em><strong>Blended </strong></em><strong>PPAs</strong> are trading at approximately <strong>USD 67.7/MWh</strong>.</p></li></ul><blockquote><p>A brief note for those encountering the term <em><strong>blended PPA</strong></em> for the first time: this refers to a long-term power purchase agreement that combines multiple renewable generation technologies from different projects (for example, solar plus wind) and or storage within a single commercial contract. In contrast, in a <strong>hybrid PPA</strong>, the electricity comes from multiple technologies but from the same project.</p></blockquote><p>LevelTen attributes this price evolution to an increasingly complex project development environment, shaped by regulatory uncertainty, tariff investigations by the Trump administration, new federal permitting requirements, and rules associated with so-called <em><a href="https://www.energy.gov/mesc/foreign-entity-concern-interpretive-guidance">Foreign Entities of Concern</a></em>, all of which are increasing costs and delaying projects.</p><p>In <strong>Europe</strong>, the situation is quite the opposite. Renewable <strong>PPA prices continue to decline</strong> steadily. The average price of a solar PPA stood at <strong>EUR 57.44/MWh</strong> in the fourth quarter of <strong>2025</strong>, after falling by <strong>EUR 0.76/MWh</strong> compared to the previous quarter. The trend is clear: since late <strong>2022</strong>, when prices were around <strong>EUR 80/MWh</strong>, the market has experienced a continuous decline, also evident in wind PPAs and mixed contracts.</p><p>According to LevelTen, this behaviour is driven by an <strong>oversupply of renewable energy relative to demand</strong>, combined with the growing incidence of <strong>low and negative prices in many European electricity markets</strong>. In the medium term, the report points to potential changes should the European Commission&#8217;s initiatives to strengthen grids and interconnections move forward. For now, however, the message is clear: <strong>while North America is seeing rising solar PPA prices, Europe remains under persistent downward pressure</strong>.</p><p>On the other hand, the newspaper <a href="https://www.expansion.com/empresas/energia/2026/02/09/6988d39fe5fdea8d138b45bf.html">Expansi&#243;n</a> has published a list of the <strong>top ten largest PPA buyers and sellers in Europe</strong>:</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!JtHj!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F474e816a-4bbf-4e68-8fac-3bb8aa0885b8_1014x870.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!JtHj!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F474e816a-4bbf-4e68-8fac-3bb8aa0885b8_1014x870.png 424w, /__u/substackcdn.com/image/fetch/$s_!JtHj!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F474e816a-4bbf-4e68-8fac-3bb8aa0885b8_1014x870.png 848w, /__u/substackcdn.com/image/fetch/$s_!JtHj!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F474e816a-4bbf-4e68-8fac-3bb8aa0885b8_1014x870.png 1272w, /__u/substackcdn.com/image/fetch/$s_!JtHj!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F474e816a-4bbf-4e68-8fac-3bb8aa0885b8_1014x870.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!JtHj!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F474e816a-4bbf-4e68-8fac-3bb8aa0885b8_1014x870.png" width="1014" height="870" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/474e816a-4bbf-4e68-8fac-3bb8aa0885b8_1014x870.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:870,&quot;width&quot;:1014,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:619652,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/184949316?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F474e816a-4bbf-4e68-8fac-3bb8aa0885b8_1014x870.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" title="" srcset="/__u/substackcdn.com/image/fetch/$s_!JtHj!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F474e816a-4bbf-4e68-8fac-3bb8aa0885b8_1014x870.png 424w, /__u/substackcdn.com/image/fetch/$s_!JtHj!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F474e816a-4bbf-4e68-8fac-3bb8aa0885b8_1014x870.png 848w, /__u/substackcdn.com/image/fetch/$s_!JtHj!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F474e816a-4bbf-4e68-8fac-3bb8aa0885b8_1014x870.png 1272w, /__u/substackcdn.com/image/fetch/$s_!JtHj!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F474e816a-4bbf-4e68-8fac-3bb8aa0885b8_1014x870.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><h4>_</h4><h4><strong>Paradigm Shift in German Renewable Auctions</strong></h4><p>The German government has announced an accelerated reform of the <strong>EEG (<a href="https://www.gesetze-im-internet.de/eeg_2014/">Erneuerbare Energien Gesetz</a> &#8211; Renewable Energy Sources Act)</strong>, which will position <em><strong>Contracts for Difference</strong></em><strong> (CfDs)</strong> as the main support mechanism for renewables, according to <a href="https://www.pv-magazine.de/2026/01/30/bundesumweltminister-schneider-kuendigt-eeg-reform-mit-cfds-und-abschoepfung-von-uebergewinnen-an/">PV-Magazine</a>. As explained by the Minister for the Environment, <strong><a href="https://www.linkedin.com/in/carsten-schneider-482ba6205/">Carsten Schneider</a></strong>, revenues obtained in the electricity market above <strong>the guaranteed remuneration level will be recovered and returned to the EEG fund</strong>, preventing windfall profits and strengthening the market integration of renewable energies.</p><p>Despite this stronger market-oriented approach, the government made it clear that a <strong>minimum remuneration level will be maintained</strong>, which is essential to ensure competitive financing conditions and investor stability. The renewable energy sector, represented by the <strong>BDEW (<a href="https://www.bdew.de/">Bundesverband der Energie- und Wasserwirtschaft</a>)</strong>, has expressed support for the CfD mechanism, while calling for a <strong>simple and predictable design</strong> <strong>that provides a clear and secure legal framework for investments</strong>.</p><p>The reform forms part of a broader <strong>energy strategy that also prioritises grid reinforcement, the deployment of energy storage, and digitalisation</strong>. Its content will continue to be discussed within the Council of Ministers until <strong>March</strong>.</p><p>The <strong>message from Minister Schneider</strong> is clear:</p><div class="pullquote"><p>Renewable energies are domestic energy sources and strengthen Germany&#8217;s resilience to external crises. The high annual expenditure of EUR 84 billion on fossil energy imports represents an economic outflow, whereas investments in renewable energies reinforce domestic value creation and industrial prospects.</p></div><h4>_</h4><h4><strong>Warning to the Market: A Turning Point for Module Prices</strong></h4><p>Let us move on to a piece of news that is shaking photovoltaic projects under development. As is often the case with the fourth news item in Solarletter, the focus is once again on photovoltaic modules.</p><p>China has announced an <strong>adjustment to its export VAT rebate system</strong>, a measure that will have a <strong>direct impact on the selling prices of photovoltaic module</strong>s. According to the official communication from the <a href="https://szs.mof.gov.cn/zhengcefabu/202601/t20260109_3981637.htm">Ministry of Finance</a>, the so-called <em>export tax rebate</em> has been cancelled for photovoltaic modules, which in practice <strong>makes exports from China more expensive</strong>.</p><p>Until now, this mechanism allowed manufacturers to recover a significant portion of the VAT paid during the production process, helping to keep prices low. Under the new regulation, this rebate is eliminated, increasing net export costs. The expected effect is clear: <strong>additional upward pressure on module prices</strong>, especially in a context where manufacturers&#8217; margins are already very tight due to rising raw material costs.</p><p>This change adds to other factors that are beginning to signal a turning point in the global photovoltaic market: <strong>higher raw material prices, industrial consolidation, the reduction of less efficient manufacturing capacity, and an increasingly demanding regulatory environment</strong>.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!ebfB!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8877d3ad-3f23-4491-aa22-7610536a0c57_439x577.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!ebfB!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8877d3ad-3f23-4491-aa22-7610536a0c57_439x577.png 424w, /__u/substackcdn.com/image/fetch/$s_!ebfB!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8877d3ad-3f23-4491-aa22-7610536a0c57_439x577.png 848w, /__u/substackcdn.com/image/fetch/$s_!ebfB!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8877d3ad-3f23-4491-aa22-7610536a0c57_439x577.png 1272w, /__u/substackcdn.com/image/fetch/$s_!ebfB!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8877d3ad-3f23-4491-aa22-7610536a0c57_439x577.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!ebfB!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8877d3ad-3f23-4491-aa22-7610536a0c57_439x577.png" width="439" height="577" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/8877d3ad-3f23-4491-aa22-7610536a0c57_439x577.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:577,&quot;width&quot;:439,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:615658,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/184949316?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8e21b363-de87-43e1-8d76-750d2f50f57f_440x617.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" title="" srcset="/__u/substackcdn.com/image/fetch/$s_!ebfB!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8877d3ad-3f23-4491-aa22-7610536a0c57_439x577.png 424w, /__u/substackcdn.com/image/fetch/$s_!ebfB!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8877d3ad-3f23-4491-aa22-7610536a0c57_439x577.png 848w, /__u/substackcdn.com/image/fetch/$s_!ebfB!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8877d3ad-3f23-4491-aa22-7610536a0c57_439x577.png 1272w, /__u/substackcdn.com/image/fetch/$s_!ebfB!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8877d3ad-3f23-4491-aa22-7610536a0c57_439x577.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>After several years of continuous price declines, the adjustment to the export rebate reinforces the idea that <strong>low module prices may have reached a floor</strong>, with direct implications for developers, EPC contractors, and equipment buyers dependent on Chinese manufacturing.</p><h4>_</h4><h4><strong>Edition&#180;s curiosity</strong></h4><p>Have you ever opened a distribution and protection switchboard and come across a <em>circuit breaker</em> that seems impossible to understand?</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!Edeb!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F432aa68b-9912-4261-a444-dd13e05dffaa_544x378.webp" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!Edeb!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F432aa68b-9912-4261-a444-dd13e05dffaa_544x378.webp 424w, /__u/substackcdn.com/image/fetch/$s_!Edeb!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F432aa68b-9912-4261-a444-dd13e05dffaa_544x378.webp 848w, /__u/substackcdn.com/image/fetch/$s_!Edeb!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F432aa68b-9912-4261-a444-dd13e05dffaa_544x378.webp 1272w, /__u/substackcdn.com/image/fetch/$s_!Edeb!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F432aa68b-9912-4261-a444-dd13e05dffaa_544x378.webp 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!Edeb!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F432aa68b-9912-4261-a444-dd13e05dffaa_544x378.webp" width="428" height="297.3970588235294" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/432aa68b-9912-4261-a444-dd13e05dffaa_544x378.webp&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:378,&quot;width&quot;:544,&quot;resizeWidth&quot;:428,&quot;bytes&quot;:47152,&quot;alt&quot;:&quot;T7l 1200 UL Pr331/P Lsig In1200A 3p FF 1sda065294r1 Circuit Breaker - Tmax,  MCCB | Made-in-China.com&quot;,&quot;title&quot;:&quot;T7l 1200 UL Pr331/P Lsig In1200A 3p FF 1sda065294r1 Circuit Breaker - Tmax,  MCCB | Made-in-China.com&quot;,&quot;type&quot;:&quot;image/webp&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="T7l 1200 UL Pr331/P Lsig In1200A 3p FF 1sda065294r1 Circuit Breaker - Tmax,  MCCB | Made-in-China.com" title="T7l 1200 UL Pr331/P Lsig In1200A 3p FF 1sda065294r1 Circuit Breaker - Tmax,  MCCB | Made-in-China.com" srcset="/__u/substackcdn.com/image/fetch/$s_!Edeb!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F432aa68b-9912-4261-a444-dd13e05dffaa_544x378.webp 424w, /__u/substackcdn.com/image/fetch/$s_!Edeb!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F432aa68b-9912-4261-a444-dd13e05dffaa_544x378.webp 848w, /__u/substackcdn.com/image/fetch/$s_!Edeb!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F432aa68b-9912-4261-a444-dd13e05dffaa_544x378.webp 1272w, /__u/substackcdn.com/image/fetch/$s_!Edeb!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F432aa68b-9912-4261-a444-dd13e05dffaa_544x378.webp 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Do not worry, you are certainly not the first. If you do not understand it, it is better not to touch it, as it falls under the responsibility of the electrical engineer who selected and configured it correctly. A poorly selected or poorly configured protection device is essentially the same as not installing one at all. However, if you are one of those whose curiosity is sparked, stay with us for a few insights to at least partially understand what it is all about.</p><div class="subscription-widget-wrap-editor" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe&quot;,&quot;language&quot;:&quot;en&quot;}" data-component-name="SubscribeWidgetToDOM"><div class="subscription-widget show-subscribe"><div class="preamble"><p class="cta-caption">Do not forget to subscribe so you do not miss future curiosities:</p></div><form class="subscription-widget-subscribe"><input type="email" class="email-input" name="email" placeholder="Type your email&#8230;" tabindex="-1"><input type="submit" class="button primary" value="Subscribe"><div class="fake-input-wrapper"><div class="fake-input"></div><div class="fake-button"></div></div></form></div></div><p>Unlike a fuse, whose characteristic curve cannot be modified and is fixed by design, an <strong>MCCB (</strong><em>Molded Case Circuit Breaker</em><strong>)</strong> or an <strong>ACB (</strong><em>Air Circuit Breaker</em><strong>)</strong> usually offers several adjustable settings that allow the tripping curve to be modified across different sections.</p><p><strong>LSIG (L&#8211;S&#8211;I&#8211;G)</strong> refers to a set of protection functions integrated into the electronic trip units (ETU) of modern low-voltage circuit breakers. These functions provide protection against overloads (L), short circuits (S and I), and ground faults (G), enabling selective coordination and efficient protection of cables and equipment.</p><ul><li><p><strong>L (Long Time Delay)</strong>: Protects against gradual thermal overloads by adjusting to the rated current of the system, safeguarding conductors without tripping during normal load peaks.</p></li><li><p><strong>S (Short Time Delay)</strong>: Protects against medium-magnitude short circuits, allowing a brief delay to coordinate with downstream devices and avoid unnecessary tripping. This function is essential for selective coordination.</p></li><li><p><strong>I (Instantaneous)</strong>: Disconnects the circuit immediately in the event of very high-magnitude faults (severe short circuits) that exceed the system&#8217;s capacity, acting as a rapid safety measure.</p></li><li><p><strong>G (Ground Fault)</strong>: Detects and protects against ground faults, which is critical for safety and for distinguishing real leakage currents from capacitive currents in large networks, while coordinating with other protection devices.</p></li></ul><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!tNpA!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe71407f9-ecc9-443f-9dc1-815d7a8243c3_327x305.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!tNpA!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe71407f9-ecc9-443f-9dc1-815d7a8243c3_327x305.png 424w, /__u/substackcdn.com/image/fetch/$s_!tNpA!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe71407f9-ecc9-443f-9dc1-815d7a8243c3_327x305.png 848w, /__u/substackcdn.com/image/fetch/$s_!tNpA!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe71407f9-ecc9-443f-9dc1-815d7a8243c3_327x305.png 1272w, /__u/substackcdn.com/image/fetch/$s_!tNpA!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe71407f9-ecc9-443f-9dc1-815d7a8243c3_327x305.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!tNpA!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe71407f9-ecc9-443f-9dc1-815d7a8243c3_327x305.png" width="327" height="305" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/e71407f9-ecc9-443f-9dc1-815d7a8243c3_327x305.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:305,&quot;width&quot;:327,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:53998,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/184949316?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe71407f9-ecc9-443f-9dc1-815d7a8243c3_327x305.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" title="" srcset="/__u/substackcdn.com/image/fetch/$s_!tNpA!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe71407f9-ecc9-443f-9dc1-815d7a8243c3_327x305.png 424w, /__u/substackcdn.com/image/fetch/$s_!tNpA!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe71407f9-ecc9-443f-9dc1-815d7a8243c3_327x305.png 848w, /__u/substackcdn.com/image/fetch/$s_!tNpA!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe71407f9-ecc9-443f-9dc1-815d7a8243c3_327x305.png 1272w, /__u/substackcdn.com/image/fetch/$s_!tNpA!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe71407f9-ecc9-443f-9dc1-815d7a8243c3_327x305.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Below is a comparison between <strong>MCCBs (</strong><em>Molded Case Circuit Breakers</em><strong>)</strong> and <strong>ACBs (</strong><em>Air Circuit Breakers</em><strong>)</strong>:</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!1JAF!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6316d0e3-5466-4ee0-91cd-5ad08725e01e_836x706.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!1JAF!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6316d0e3-5466-4ee0-91cd-5ad08725e01e_836x706.png 424w, /__u/substackcdn.com/image/fetch/$s_!1JAF!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6316d0e3-5466-4ee0-91cd-5ad08725e01e_836x706.png 848w, /__u/substackcdn.com/image/fetch/$s_!1JAF!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6316d0e3-5466-4ee0-91cd-5ad08725e01e_836x706.png 1272w, /__u/substackcdn.com/image/fetch/$s_!1JAF!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6316d0e3-5466-4ee0-91cd-5ad08725e01e_836x706.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!1JAF!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6316d0e3-5466-4ee0-91cd-5ad08725e01e_836x706.png" width="502" height="423.9377990430622" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/6316d0e3-5466-4ee0-91cd-5ad08725e01e_836x706.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:706,&quot;width&quot;:836,&quot;resizeWidth&quot;:502,&quot;bytes&quot;:310822,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/184949316?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6316d0e3-5466-4ee0-91cd-5ad08725e01e_836x706.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" title="" srcset="/__u/substackcdn.com/image/fetch/$s_!1JAF!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6316d0e3-5466-4ee0-91cd-5ad08725e01e_836x706.png 424w, /__u/substackcdn.com/image/fetch/$s_!1JAF!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6316d0e3-5466-4ee0-91cd-5ad08725e01e_836x706.png 848w, /__u/substackcdn.com/image/fetch/$s_!1JAF!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6316d0e3-5466-4ee0-91cd-5ad08725e01e_836x706.png 1272w, /__u/substackcdn.com/image/fetch/$s_!1JAF!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6316d0e3-5466-4ee0-91cd-5ad08725e01e_836x706.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Even if next time you encounter one of these breakers you are not able to configure it yourself, at least you will have a better idea of what it is all about.</p><div><hr></div><p>That concludes the edition. I hope you enjoyed and it made your coffee break, public transportation ride, or nap more enjoyable. <strong>If you have any suggestions, recommendations, or comments, feel free to reply to this email</strong>.</p><p>If you liked it, help me give it a boost by <strong>sharing it on your social media, with your friends, or coworkers</strong>. And if you did not like it, I apologize, but returns are not accepted.</p><div class="captioned-button-wrap" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-31_en-ember-report-european?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="CaptionedButtonToDOM"><div class="preamble"><p class="cta-caption">Thank you for reading Solarletter. This post is public so feel free to share it.</p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-31_en-ember-report-european?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-31_en-ember-report-european?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Abonnieren jetzt&quot;,&quot;action&quot;:null,&quot;class&quot;:&quot;button-wrapper&quot;}" data-component-name="ButtonCreateButton"><a class="button primary button-wrapper" href="/__u/solarletter.substack.com/subscribe"><span>Abonnieren jetzt</span></a></p><p>Sunny Regards!</p>]]></content:encoded></item><item><title><![CDATA[Solarletter #32_ES - Informe de EMBER - European Electricity Review 2026]]></title><description><![CDATA[Tambi&#233;n: Los PPA suben en EEUU, mientras que siguen bajando en Europa, Cambio de paradigma en las subastas alemanas y Aviso a navegantes - punto de inflexi&#243;n para el precio de los m&#243;dulos]]></description><link>https://solarletter.substack.com/p/solarletter-32_es-informe-de-ember</link><guid isPermaLink="false">https://solarletter.substack.com/p/solarletter-32_es-informe-de-ember</guid><dc:creator><![CDATA[Imanol Matanza Medina]]></dc:creator><pubDate>Tue, 10 Feb 2026 09:01:38 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!ebfB!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8877d3ad-3f23-4491-aa22-7610536a0c57_439x577.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<p>Hola a todos y bienvenidos de nuevo a Solarletter. Mi nombre es <a href="https://www.linkedin.com/in/imanol-matanza-medina-305271150/">Imanol Matanza</a> y trato de compartir contigo las <strong>&#250;ltimas noticias, avances tecnol&#243;gicos y tendencias en el campo de la energ&#237;a fotovoltaica</strong>. A trav&#233;s de Solarletter, espero aportarte <strong>informaci&#243;n valiosa, an&#225;lisis de mercado, estado del arte y peque&#241;os consejos pr&#225;cticos</strong> que te ayudar&#225;n a mantenerte al tanto de los desarrollos m&#225;s recientes en la industria fotovoltaica. </p><p>Si no os lo quer&#233;is perder, os dejo un link aqu&#237;:</p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/subscribe"><span>Subscribe now</span></a></p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-32_es-informe-de-ember?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-32_es-informe-de-ember?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p><p>Siempre estoy abierto a sugerencias, preguntas y comentarios, as&#237; que no dudes en contactarme. &#161;Si te gusta, no dudes en subscribirte y compartirla!</p><p>Ahora s&#237;, vamos con un par de noticias interesantes!</p><div><hr></div><h4><strong>Informe de EMBER - European Electricity Review 2026</strong></h4><p>Ya entrados en febrero, en la anterior edici&#243;n de la <a href="/__u/solarletter.substack.com/i/184957395/solar-power-eu-un-vistazo-hacia-2030">Solarletter #31</a> compart&#237;amos un informe con un tono m&#225;s bien pesimista sobre el futuro de la fotovoltaica en Europa. Por eso, en esta ocasi&#243;n toca equilibrar la balanza y traer un an&#225;lisis que aporta una visi&#243;n mucho m&#225;s positiva. Todo el incremento de capacidad renovable de los &#250;ltimos a&#241;os empieza, por fin, a dar resultados. Qu&#233;date, que te los ense&#241;amos.</p><p>El &#250;ltimo <em><a href="https://ember-energy.org/latest-insights/european-electricity-review-2026/2025-at-a-glance/">European Electricity Review</a></em> de <a href="https://ember-energy.org/">Ember</a> deja una foto muy clara del sistema el&#233;ctrico europeo en 2025: <strong>las energ&#237;as renovables ya aportan pr&#225;cticamente la mitad de toda la electricidad consumida en la UE</strong>. Con la energ&#237;a solar y e&#243;lica trabajando en equipo para terminar con el malvado carb&#243;n.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!IHEe!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F50a1e84e-e269-43b2-8553-b11d23a00a63_753x804.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!IHEe!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F50a1e84e-e269-43b2-8553-b11d23a00a63_753x804.png 424w, /__u/substackcdn.com/image/fetch/$s_!IHEe!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F50a1e84e-e269-43b2-8553-b11d23a00a63_753x804.png 848w, /__u/substackcdn.com/image/fetch/$s_!IHEe!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F50a1e84e-e269-43b2-8553-b11d23a00a63_753x804.png 1272w, /__u/substackcdn.com/image/fetch/$s_!IHEe!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F50a1e84e-e269-43b2-8553-b11d23a00a63_753x804.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!IHEe!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F50a1e84e-e269-43b2-8553-b11d23a00a63_753x804.png" width="753" height="804" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/50a1e84e-e269-43b2-8553-b11d23a00a63_753x804.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:804,&quot;width&quot;:753,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:112712,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/184949316?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F50a1e84e-e269-43b2-8553-b11d23a00a63_753x804.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="/__u/substackcdn.com/image/fetch/$s_!IHEe!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F50a1e84e-e269-43b2-8553-b11d23a00a63_753x804.png 424w, /__u/substackcdn.com/image/fetch/$s_!IHEe!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F50a1e84e-e269-43b2-8553-b11d23a00a63_753x804.png 848w, /__u/substackcdn.com/image/fetch/$s_!IHEe!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F50a1e84e-e269-43b2-8553-b11d23a00a63_753x804.png 1272w, /__u/substackcdn.com/image/fetch/$s_!IHEe!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F50a1e84e-e269-43b2-8553-b11d23a00a63_753x804.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Y es que el sistema el&#233;ctrico europeo ha alcanzado un <strong>punto de no retorno en 2025</strong>: <strong>por primera vez, la e&#243;lica y la fotovoltaica generaron m&#225;s electricidad que todas las fuentes f&#243;siles juntas</strong>. Ambas tecnolog&#237;as aportaron el <strong>30,1% de la electricidad de la UE</strong> (841 TWh), frente al <strong>29,0%</strong> procedente de carb&#243;n, gas y petr&#243;leo (809 TWh).</p><p>Este hito es el resultado de una tendencia sostenida. En los &#250;ltimos cinco a&#241;os, la cuota conjunta de e&#243;lica y solar aument&#243; <strong>m&#225;s de 10 puntos porcentuales</strong>, pasando del <strong>19,7% en 2020 al 30,1% en 2025</strong>, mientras que la <strong>generaci&#243;n f&#243;sil cay&#243; casi 8 puntos</strong>, <strong>desde el 36,7% al 29,0%</strong>. Otras tecnolog&#237;as sin emisiones, como la hidr&#225;ulica y la nuclear, se han mantenido estables o han registrado ligeros descensos. En conjunto, los datos confirman que la <strong>fotovoltaica y la e&#243;lica</strong> ya no son tecnolog&#237;as complementarias, sino <strong>el eje central del nuevo mix el&#233;ctrico europeo</strong>. S&#243;lo hay que atender a la siguiente gr&#225;fica:</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!hZwo!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F34015e3a-ac6f-4fd9-b639-5f352438f5b5_752x1189.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!hZwo!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F34015e3a-ac6f-4fd9-b639-5f352438f5b5_752x1189.png 424w, /__u/substackcdn.com/image/fetch/$s_!hZwo!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F34015e3a-ac6f-4fd9-b639-5f352438f5b5_752x1189.png 848w, /__u/substackcdn.com/image/fetch/$s_!hZwo!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F34015e3a-ac6f-4fd9-b639-5f352438f5b5_752x1189.png 1272w, /__u/substackcdn.com/image/fetch/$s_!hZwo!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, 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data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/34015e3a-ac6f-4fd9-b639-5f352438f5b5_752x1189.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:1189,&quot;width&quot;:752,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:176971,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/184949316?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F34015e3a-ac6f-4fd9-b639-5f352438f5b5_752x1189.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="/__u/substackcdn.com/image/fetch/$s_!hZwo!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F34015e3a-ac6f-4fd9-b639-5f352438f5b5_752x1189.png 424w, /__u/substackcdn.com/image/fetch/$s_!hZwo!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F34015e3a-ac6f-4fd9-b639-5f352438f5b5_752x1189.png 848w, /__u/substackcdn.com/image/fetch/$s_!hZwo!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F34015e3a-ac6f-4fd9-b639-5f352438f5b5_752x1189.png 1272w, /__u/substackcdn.com/image/fetch/$s_!hZwo!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F34015e3a-ac6f-4fd9-b639-5f352438f5b5_752x1189.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Dentro de ese bloque renovable, hay un protagonista indiscutible. <strong>La solar ha sido la tecnolog&#237;a que m&#225;s ha crecido en la UE en 2025</strong>, por encima de cualquier otra fuente de generaci&#243;n. Ninguna otra tecnolog&#237;a el&#233;ctrica, ni renovable ni f&#243;sil, ha a&#241;adido tanta nueva producci&#243;n en un solo a&#241;o. </p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!oyF9!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd8d9e1b1-aaed-4235-9d9c-568925a0f6ad_751x707.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!oyF9!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd8d9e1b1-aaed-4235-9d9c-568925a0f6ad_751x707.png 424w, /__u/substackcdn.com/image/fetch/$s_!oyF9!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd8d9e1b1-aaed-4235-9d9c-568925a0f6ad_751x707.png 848w, /__u/substackcdn.com/image/fetch/$s_!oyF9!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd8d9e1b1-aaed-4235-9d9c-568925a0f6ad_751x707.png 1272w, /__u/substackcdn.com/image/fetch/$s_!oyF9!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd8d9e1b1-aaed-4235-9d9c-568925a0f6ad_751x707.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!oyF9!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd8d9e1b1-aaed-4235-9d9c-568925a0f6ad_751x707.png" width="751" height="707" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/d8d9e1b1-aaed-4235-9d9c-568925a0f6ad_751x707.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:707,&quot;width&quot;:751,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:93560,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/184949316?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd8d9e1b1-aaed-4235-9d9c-568925a0f6ad_751x707.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="/__u/substackcdn.com/image/fetch/$s_!oyF9!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd8d9e1b1-aaed-4235-9d9c-568925a0f6ad_751x707.png 424w, /__u/substackcdn.com/image/fetch/$s_!oyF9!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd8d9e1b1-aaed-4235-9d9c-568925a0f6ad_751x707.png 848w, /__u/substackcdn.com/image/fetch/$s_!oyF9!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd8d9e1b1-aaed-4235-9d9c-568925a0f6ad_751x707.png 1272w, /__u/substackcdn.com/image/fetch/$s_!oyF9!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd8d9e1b1-aaed-4235-9d9c-568925a0f6ad_751x707.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Y lo m&#225;s relevante no es solo el volumen, sino la extensi&#243;n: <strong>la generaci&#243;n solar ha crecido practicamente todos los pa&#237;ses de la Uni&#243;n Europea</strong>.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!24Uq!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6ffed8a4-9234-44d8-951d-d8ce664c0419_754x753.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!24Uq!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6ffed8a4-9234-44d8-951d-d8ce664c0419_754x753.png 424w, /__u/substackcdn.com/image/fetch/$s_!24Uq!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6ffed8a4-9234-44d8-951d-d8ce664c0419_754x753.png 848w, /__u/substackcdn.com/image/fetch/$s_!24Uq!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6ffed8a4-9234-44d8-951d-d8ce664c0419_754x753.png 1272w, /__u/substackcdn.com/image/fetch/$s_!24Uq!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6ffed8a4-9234-44d8-951d-d8ce664c0419_754x753.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!24Uq!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6ffed8a4-9234-44d8-951d-d8ce664c0419_754x753.png" width="754" height="753" 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6ffed8a4-9234-44d8-951d-d8ce664c0419_754x753.png 424w, /__u/substackcdn.com/image/fetch/$s_!24Uq!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6ffed8a4-9234-44d8-951d-d8ce664c0419_754x753.png 848w, /__u/substackcdn.com/image/fetch/$s_!24Uq!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6ffed8a4-9234-44d8-951d-d8ce664c0419_754x753.png 1272w, /__u/substackcdn.com/image/fetch/$s_!24Uq!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6ffed8a4-9234-44d8-951d-d8ce664c0419_754x753.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>La consecuencia m&#225;s visible de todo esto aparece al final del an&#225;lisis: <strong>el carb&#243;n sigue cayendo, y ya s&#243;lo representa el 9,2 % de la energ&#237;a el&#233;ctrica europea</strong>. En pr&#225;cticamente todos los pa&#237;ses de la UE, el carb&#243;n ha bajado hasta <strong>el 5% o menos del mix el&#233;ctrico</strong>, y lo m&#225;s interesante es que <strong>no est&#225; siendo sustituido en su totalidad por gas</strong>. La gr&#225;fica final del informe lo deja claro: la salida del carb&#243;n se est&#225; cubriendo mayoritariamente con renovables, especialmente solar y e&#243;lica, y no con un simple cambio de f&#243;siles.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!PP85!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa677c224-23a9-4f71-bba0-2030a632f6ed_750x893.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!PP85!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa677c224-23a9-4f71-bba0-2030a632f6ed_750x893.png 424w, /__u/substackcdn.com/image/fetch/$s_!PP85!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa677c224-23a9-4f71-bba0-2030a632f6ed_750x893.png 848w, /__u/substackcdn.com/image/fetch/$s_!PP85!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa677c224-23a9-4f71-bba0-2030a632f6ed_750x893.png 1272w, /__u/substackcdn.com/image/fetch/$s_!PP85!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa677c224-23a9-4f71-bba0-2030a632f6ed_750x893.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!PP85!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa677c224-23a9-4f71-bba0-2030a632f6ed_750x893.png" width="750" height="893" 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa677c224-23a9-4f71-bba0-2030a632f6ed_750x893.png 424w, /__u/substackcdn.com/image/fetch/$s_!PP85!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa677c224-23a9-4f71-bba0-2030a632f6ed_750x893.png 848w, /__u/substackcdn.com/image/fetch/$s_!PP85!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa677c224-23a9-4f71-bba0-2030a632f6ed_750x893.png 1272w, /__u/substackcdn.com/image/fetch/$s_!PP85!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa677c224-23a9-4f71-bba0-2030a632f6ed_750x893.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>El mensaje de fondo es potente. <strong>La solar no solo ha crecido r&#225;pido, sino que ha empujado directamente a las tecnolog&#237;as m&#225;s contaminantes fuera del mix</strong>, sin crear una nueva dependencia del gas. Pero tal y c&#243;mo vimos en <a href="/__u/solarletter.substack.com/i/184957395/solar-power-eu-un-vistazo-hacia-2030">Solarletter #31</a>, este avance plantea nuevos retos en las redes el&#233;ctricas, almacenamiento, precios y canibalizaci&#243;n. </p><div class="pullquote"><p>&#191;Seguir&#225; la energ&#237;a solar abri&#233;ndose hueco este 2026 y marcando nuevos hitos?</p></div><h4>_</h4><h4><strong>Los PPA suben en EEUU, mientras que siguen bajando en Europa</strong></h4><p>Un buen indicador para analizar la tendencia de la renovables, son sin duda los precios de los PPAs. Seg&#250;n la noticia de <a href="https://www.pv-tech.org/north-american-solar-ppa-prices-climb-us61-67-mwh-european-prices-continue-fall/?utm_source=eloqua&amp;utm_medium=email&amp;utm_campaign=NL_NAM25PVTech_20260202&amp;sp_cid=865&amp;utm_content=NL_NAM25PVTech_20260202&amp;sp_eh=ab6ef1f224bb2efbe28f9e7a5cb616838810ec4bc3283a0ad7323630217d7bb8">PV Tech</a> los precios de los <strong>PPAs solares en Norteam&#233;rica</strong> <strong>cerraron 2025 al alza</strong>. Entre el tercer y el cuarto trimestre, el precio medio aument&#243; un <strong>3,2%</strong>, hasta situarse en <strong>61,67 $/MWh</strong>, seg&#250;n los &#250;ltimos informes publicados por <a href="https://www.leveltenenergy.com/">LevelTen Energy</a>. Si consideramos <strong>la subida de todo el a&#241;o, el incremento fue cercano al 9%</strong>. </p><p>Alguno de los puntos clave:</p><ul><li><p>La <strong>fotovoltaica </strong>sigue siendo la tecnolog&#237;a con <strong>PPAs m&#225;s baratos</strong> en la regi&#243;n, con precios que alcanzan los <strong>59,77 $/MWh</strong></p></li><li><p>La <strong>e&#243;lica </strong>se sit&#250;a alrededor de los <strong>73,77 $/MWh </strong></p></li><li><p>Mientras que los <em><strong>blended </strong></em><strong>PPAs  rondan los 67,7 $/MWh</strong>.</p></li></ul><blockquote><p>Hago un breve inciso para aquellos que le&#233;is <em><strong>Blended</strong></em><strong> PPA</strong> por primera vez. Este no es m&#225;s que un contrato de compraventa de energ&#237;a a largo plazo o PPA combinando m&#250;ltiples tecnolog&#237;as de generaci&#243;n renovable y de distintos proyectos (por ejemplo, solar + e&#243;lica) y/o almacenamiento en un &#250;nico acuerdo comercial. En un <strong>PPA h&#237;brido</strong>, sin embargo, la energ&#237;a proviene de m&#250;ltiples tecnolog&#237;as, pero de un mismo proyecto.</p></blockquote><p>LevelTen atribuye esta evoluci&#243;n a un entorno cada vez m&#225;s complejo para el desarrollo de proyectos, marcado por la <strong>incertidumbre regulatoria</strong>, investigaciones arancelarias del gobierno de Trump, nuevas exigencias en permisos federales y las reglas asociadas a los denominados <em><a href="https://www.energy.gov/mesc/foreign-entity-concern-interpretive-guidance">Foreign Entities of Concern</a></em>, que est&#225;n elevando costes y retrasando proyectos.</p><p>En <strong>Europa</strong>, la situaci&#243;n es justo la contraria. Los precios de los PPAs renovables contin&#250;an <strong>bajando de forma sostenida</strong>. El precio medio de un PPA solar se situ&#243; en <strong>57,44 &#8364;/MWh</strong> en el cuarto trimestre de <strong>2025</strong>, tras caer <strong>0,76 &#8364;/MWh</strong> respecto al trimestre anterior. La tendencia es clara: desde finales de <strong>2022</strong>, cuando los precios rondaban los <strong>80 &#8364;/MWh</strong>, el mercado ha experimentado un descenso continuado, tambi&#233;n visible en la e&#243;lica y en los contratos mixtos.</p><p>Seg&#250;n LevelTen, este comportamiento responde a un <strong>exceso de oferta renovable frente a la demanda</strong>, junto con el aumento de <strong>precios bajos y negativos en muchos mercados el&#233;ctricos europeos</strong>. A medio plazo, el informe apunta a posibles cambios si prosperan las iniciativas de la Comisi&#243;n Europea para reforzar redes y conexiones el&#233;ctricas, aunque por ahora el mensaje es claro: <strong>mientras Norteam&#233;rica ve subir los precios de los PPAs solares, Europa sigue inmersa en una presi&#243;n bajista persistente</strong>.</p><p>Por otro lado, el peri&#243;dico la <a href="https://www.expansion.com/empresas/energia/2026/02/09/6988d39fe5fdea8d138b45bf.html">Expansi&#243;n</a>, publico una lista con el <strong>top 10 de los mayores compradores y vendedores de PPAs en Europa</strong>:</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!JtHj!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F474e816a-4bbf-4e68-8fac-3bb8aa0885b8_1014x870.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!JtHj!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F474e816a-4bbf-4e68-8fac-3bb8aa0885b8_1014x870.png 424w, /__u/substackcdn.com/image/fetch/$s_!JtHj!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F474e816a-4bbf-4e68-8fac-3bb8aa0885b8_1014x870.png 848w, /__u/substackcdn.com/image/fetch/$s_!JtHj!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F474e816a-4bbf-4e68-8fac-3bb8aa0885b8_1014x870.png 1272w, /__u/substackcdn.com/image/fetch/$s_!JtHj!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F474e816a-4bbf-4e68-8fac-3bb8aa0885b8_1014x870.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!JtHj!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F474e816a-4bbf-4e68-8fac-3bb8aa0885b8_1014x870.png" width="1014" height="870" 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F474e816a-4bbf-4e68-8fac-3bb8aa0885b8_1014x870.png 424w, /__u/substackcdn.com/image/fetch/$s_!JtHj!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F474e816a-4bbf-4e68-8fac-3bb8aa0885b8_1014x870.png 848w, /__u/substackcdn.com/image/fetch/$s_!JtHj!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F474e816a-4bbf-4e68-8fac-3bb8aa0885b8_1014x870.png 1272w, /__u/substackcdn.com/image/fetch/$s_!JtHj!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F474e816a-4bbf-4e68-8fac-3bb8aa0885b8_1014x870.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><h4>_</h4><h4><strong>Cambio de paradigma en las subastas alemanas</strong></h4><p>El Gobierno alem&#225;n ha anunciado una <strong>reforma acelerada del EEG (<a href="https://www.gesetze-im-internet.de/eeg_2014/">Erneuerbare Energien Gesetz</a> - Ley de Energ&#237;as Renovables)</strong> que situar&#225; a los <em><strong>Contracts for Difference</strong></em><strong> (CfD)</strong> como principal mecanismo de apoyo a las renovables, acorde a <a href="https://www.pv-magazine.de/2026/01/30/bundesumweltminister-schneider-kuendigt-eeg-reform-mit-cfds-und-abschoepfung-von-uebergewinnen-an/">PV-Magazine</a>. Seg&#250;n explic&#243; el ministro de Medio Ambiente, <strong><a href="https://www.linkedin.com/in/carsten-schneider-482ba6205/">Carsten Schneider</a></strong>, los ingresos obtenidos en el mercado el&#233;ctrico por encima de <strong>la retribuci&#243;n garantizada se recuperar&#225;n y devolver&#225;n al fondo del EEG</strong>, evitando sobreganancias y reforzando la integraci&#243;n de las renovables en el mercado.</p><p>Pese a este mayor enfoque de mercado, el Ejecutivo dej&#243; claro que <strong>se mantendr&#225; una retribuci&#243;n m&#237;nima</strong>, clave para asegurar financiaci&#243;n competitiva y estabilidad inversora. El sector renovable, a trav&#233;s del <strong>BDEW (<a href="https://www.bdew.de/">Bundesverband der Energie- und Wasserwirtschaft</a>)</strong>, ha mostrado su favor al mecanismo de CfD, pero pide un dise&#241;o <strong>simple y predecible para dar un marco legal y seguro para las inversiones</strong>.</p><p>La reforma forma parte de una <strong>estrategia energ&#233;tica m&#225;s amplia</strong>, <strong>que tambi&#233;n prioriza el refuerzo de redes, el despliegue de almacenamiento y la digitalizaci&#243;n</strong>. Su contenido se seguir&#225; discutiendo en el consejo de ministros hasta Marzo. </p><p>El <strong>mensaje del ministro Schneider</strong> es claro:</p><div class="pullquote"><p>Las energ&#237;as renovables son fuentes de energ&#237;a aut&#243;ctonas y refuerzan la resiliencia de Alemania frente a crisis externas. Los elevados gastos de 84 000 millones de euros al a&#241;o en importaciones de energ&#237;a f&#243;sil suponen salidas econ&#243;micas, mientras que las inversiones en energ&#237;as renovables refuerzan el valor a&#241;adido nacional y las perspectivas industriales.</p></div><h4>_</h4><h4><strong>Aviso a navegantes, punto de inflexi&#243;n para el precio de los m&#243;dulos</strong></h4><p>Vamos con una noticia que tambalea los proyectos fotovoltaicos en desarrollo, y como suele ser costumbre en la cuarta noticia de la Solarletter, nos centramos en los m&#243;dulos fotovoltaicos.</p><p>Y es que China ha anunciado un <strong>ajuste en el sistema de devoluci&#243;n del IVA a la exportaci&#243;n</strong>, una medida que tendr&#225; <strong>impacto directo en los precios de venta de los m&#243;dulos fotovoltaicos</strong>. Seg&#250;n la comunicaci&#243;n oficial del <a href="https://szs.mof.gov.cn/zhengcefabu/202601/t20260109_3981637.htm">Ministerio de Finanzas</a>, el denominado <em>export tax rebate</em> se ha cancelado para los m&#243;dulos fotovoltaicos, lo que en la pr&#225;ctica <strong>encarece las exportaciones</strong> <strong>desde China</strong>.</p><p>Hasta ahora, este mecanismo permit&#237;a a los fabricantes recuperar una parte relevante del IVA pagado durante el proceso productivo, lo que contribu&#237;a a mantener los precios bajos. Con la nueva normativa, se cancela esa devoluci&#243;n, aumentando los <strong>costes netos de exportaci&#243;n</strong>. El efecto esperado es claro, <strong>m&#225;s presi&#243;n sobre el precio de los m&#243;dulos</strong>, especialmente en un contexto en el que los m&#225;rgenes de los fabricantes ya son muy ajustados con las subidas de precios de las materias primas.</p><p>Este cambio se suma a otros factores que empiezan a marcar un punto de inflexi&#243;n en el mercado fotovoltaico global: <strong>subida de precios de materias primas, consolidaci&#243;n industrial, reducci&#243;n de capacidad menos eficiente y un entorno regulatorio cada vez m&#225;s exigente</strong>.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!ebfB!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8877d3ad-3f23-4491-aa22-7610536a0c57_439x577.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!ebfB!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8877d3ad-3f23-4491-aa22-7610536a0c57_439x577.png 424w, /__u/substackcdn.com/image/fetch/$s_!ebfB!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8877d3ad-3f23-4491-aa22-7610536a0c57_439x577.png 848w, /__u/substackcdn.com/image/fetch/$s_!ebfB!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8877d3ad-3f23-4491-aa22-7610536a0c57_439x577.png 1272w, /__u/substackcdn.com/image/fetch/$s_!ebfB!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8877d3ad-3f23-4491-aa22-7610536a0c57_439x577.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!ebfB!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8877d3ad-3f23-4491-aa22-7610536a0c57_439x577.png" width="439" height="577" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/8877d3ad-3f23-4491-aa22-7610536a0c57_439x577.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:577,&quot;width&quot;:439,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:615658,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/184949316?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8e21b363-de87-43e1-8d76-750d2f50f57f_440x617.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="/__u/substackcdn.com/image/fetch/$s_!ebfB!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8877d3ad-3f23-4491-aa22-7610536a0c57_439x577.png 424w, /__u/substackcdn.com/image/fetch/$s_!ebfB!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8877d3ad-3f23-4491-aa22-7610536a0c57_439x577.png 848w, /__u/substackcdn.com/image/fetch/$s_!ebfB!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8877d3ad-3f23-4491-aa22-7610536a0c57_439x577.png 1272w, /__u/substackcdn.com/image/fetch/$s_!ebfB!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8877d3ad-3f23-4491-aa22-7610536a0c57_439x577.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Tras varios a&#241;os de ca&#237;das continuadas de precios, el ajuste del <em>export rebate</em> refuerza la idea de que <strong>los precios bajos de los m&#243;dulos podr&#237;an haber tocado suelo</strong>, con implicaciones directas para promotores, EPCs y compradores de equipos dependientes de la fabricaci&#243;n china.</p><h4>_</h4><h4><strong>El consejillo de la edici&#243;n</strong></h4><p>&#191;Has abierto alguna vez un cuadro el&#233;ctrico de distribuci&#243;n y protecci&#243;n y te has encontrado con un <em>circuit breaker </em>que no hay quien entienda?</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!Edeb!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F432aa68b-9912-4261-a444-dd13e05dffaa_544x378.webp" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!Edeb!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F432aa68b-9912-4261-a444-dd13e05dffaa_544x378.webp 424w, /__u/substackcdn.com/image/fetch/$s_!Edeb!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F432aa68b-9912-4261-a444-dd13e05dffaa_544x378.webp 848w, /__u/substackcdn.com/image/fetch/$s_!Edeb!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F432aa68b-9912-4261-a444-dd13e05dffaa_544x378.webp 1272w, /__u/substackcdn.com/image/fetch/$s_!Edeb!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F432aa68b-9912-4261-a444-dd13e05dffaa_544x378.webp 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!Edeb!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F432aa68b-9912-4261-a444-dd13e05dffaa_544x378.webp" width="484" height="336.30882352941177" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/432aa68b-9912-4261-a444-dd13e05dffaa_544x378.webp&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:378,&quot;width&quot;:544,&quot;resizeWidth&quot;:484,&quot;bytes&quot;:47152,&quot;alt&quot;:&quot;T7l 1200 UL Pr331/P Lsig In1200A 3p FF 1sda065294r1 Circuit Breaker - Tmax,  MCCB | Made-in-China.com&quot;,&quot;title&quot;:null,&quot;type&quot;:&quot;image/webp&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="T7l 1200 UL Pr331/P Lsig In1200A 3p FF 1sda065294r1 Circuit Breaker - Tmax,  MCCB | Made-in-China.com" title="T7l 1200 UL Pr331/P Lsig In1200A 3p FF 1sda065294r1 Circuit Breaker - Tmax,  MCCB | Made-in-China.com" srcset="/__u/substackcdn.com/image/fetch/$s_!Edeb!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F432aa68b-9912-4261-a444-dd13e05dffaa_544x378.webp 424w, /__u/substackcdn.com/image/fetch/$s_!Edeb!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F432aa68b-9912-4261-a444-dd13e05dffaa_544x378.webp 848w, /__u/substackcdn.com/image/fetch/$s_!Edeb!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F432aa68b-9912-4261-a444-dd13e05dffaa_544x378.webp 1272w, /__u/substackcdn.com/image/fetch/$s_!Edeb!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F432aa68b-9912-4261-a444-dd13e05dffaa_544x378.webp 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>No te preocupes, seguramente no seas el primero. Si no lo entiendes, es mejor que no lo toques, pues corresponde a la labor del ingeniero el&#233;ctrico que lo ha seleccionado configurarlo de forma correcta. Una protecci&#243;n mal seleccionada o mal configurada, viene a ser los mismo que no instalar nada. Sin embargo, si eres de los que le pica la curiosidad, qu&#233;date para darte un par de pinceladas y medio-entender de que va la cosa.</p><div class="subscription-widget-wrap-editor" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe&quot;,&quot;language&quot;:&quot;en&quot;}" data-component-name="SubscribeWidgetToDOM"><div class="subscription-widget show-subscribe"><div class="preamble"><p class="cta-caption">No olvides subscribirte para no perderte otras curiosidades futuras:</p></div><form class="subscription-widget-subscribe"><input type="email" class="email-input" name="email" placeholder="Type your email&#8230;" tabindex="-1"><input type="submit" class="button primary" value="Subscribe"><div class="fake-input-wrapper"><div class="fake-input"></div><div class="fake-button"></div></div></form></div></div><p>Mientras que en el caso de un fusible, la curva no se puede modificar y viene dada, en un <strong>MCCB </strong>(<em>Molded Case Circuit Breaker) </em>o en un <strong>ACB </strong><em>(Air Circuit Breaker)</em> normalmente nos encontramos con diferentes ajustes que s&#237; nos permiten modificar su curva de disparo en diferentes tramos de la misma.</p><p><strong>LSIG</strong> <strong>(L-S-I-G)</strong> es un conjunto de funciones de protecci&#243;n integradas en las unidades de disparo electr&#243;nicas de interruptores autom&#225;ticos modernos para baja tensi&#243;n, que protegen contra sobrecargas (L), cortocircuitos (S, I) y fallas a tierra (G), permitiendo una coordinaci&#243;n selectiva y protegiendo cables y equipos de forma eficiente.</p><ul><li><p><strong>L (Long Time Delay / Retardo de Tiempo Prolongado):</strong> Protege contra sobrecargas t&#233;rmicas graduales, ajust&#225;ndose a la corriente nominal del sistema para proteger los conductores sin dispararse ante picos de carga normales.</p></li><li><p><strong>S (Short Time Delay / Retardo de Tiempo Corto):</strong> Protege contra cortocircuitos de media magnitud, permitiendo un breve retardo para coordinarse con otros dispositivos aguas abajo y evitar disparos innecesarios, ideal para la coordinaci&#243;n selectiva.</p></li><li><p><strong>I (Instantaneous / Instant&#225;neo):</strong> Desconecta el circuito de forma inmediata ante fallas de muy alta magnitud (cortocircuitos severos) que superan la capacidad del sistema, actuando como una medida de seguridad r&#225;pida.</p></li><li><p><strong>G (Ground Fault / Falla a Tierra):</strong> Detecta y protege contra fallas a tierra, crucial para la seguridad y para diferenciar entre fugas reales y corrientes capacitivas en redes grandes, coordin&#225;ndose con otros dispositivos.</p></li></ul><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!tNpA!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe71407f9-ecc9-443f-9dc1-815d7a8243c3_327x305.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!tNpA!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe71407f9-ecc9-443f-9dc1-815d7a8243c3_327x305.png 424w, /__u/substackcdn.com/image/fetch/$s_!tNpA!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe71407f9-ecc9-443f-9dc1-815d7a8243c3_327x305.png 848w, /__u/substackcdn.com/image/fetch/$s_!tNpA!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe71407f9-ecc9-443f-9dc1-815d7a8243c3_327x305.png 1272w, /__u/substackcdn.com/image/fetch/$s_!tNpA!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe71407f9-ecc9-443f-9dc1-815d7a8243c3_327x305.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!tNpA!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe71407f9-ecc9-443f-9dc1-815d7a8243c3_327x305.png" width="327" height="305" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/e71407f9-ecc9-443f-9dc1-815d7a8243c3_327x305.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:305,&quot;width&quot;:327,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:53998,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/184949316?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe71407f9-ecc9-443f-9dc1-815d7a8243c3_327x305.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="/__u/substackcdn.com/image/fetch/$s_!tNpA!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe71407f9-ecc9-443f-9dc1-815d7a8243c3_327x305.png 424w, /__u/substackcdn.com/image/fetch/$s_!tNpA!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe71407f9-ecc9-443f-9dc1-815d7a8243c3_327x305.png 848w, /__u/substackcdn.com/image/fetch/$s_!tNpA!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe71407f9-ecc9-443f-9dc1-815d7a8243c3_327x305.png 1272w, /__u/substackcdn.com/image/fetch/$s_!tNpA!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe71407f9-ecc9-443f-9dc1-815d7a8243c3_327x305.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Aqu&#237; una comparaci&#243;n de los MCCB (<em>Molded Case Circuit Breaker) </em>y ACB <em>(Air Circuit Breaker):</em></p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!1JAF!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6316d0e3-5466-4ee0-91cd-5ad08725e01e_836x706.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!1JAF!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6316d0e3-5466-4ee0-91cd-5ad08725e01e_836x706.png 424w, /__u/substackcdn.com/image/fetch/$s_!1JAF!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6316d0e3-5466-4ee0-91cd-5ad08725e01e_836x706.png 848w, /__u/substackcdn.com/image/fetch/$s_!1JAF!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6316d0e3-5466-4ee0-91cd-5ad08725e01e_836x706.png 1272w, /__u/substackcdn.com/image/fetch/$s_!1JAF!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6316d0e3-5466-4ee0-91cd-5ad08725e01e_836x706.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!1JAF!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6316d0e3-5466-4ee0-91cd-5ad08725e01e_836x706.png" width="450" height="380.02392344497605" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/6316d0e3-5466-4ee0-91cd-5ad08725e01e_836x706.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:706,&quot;width&quot;:836,&quot;resizeWidth&quot;:450,&quot;bytes&quot;:310822,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/184949316?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6316d0e3-5466-4ee0-91cd-5ad08725e01e_836x706.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="/__u/substackcdn.com/image/fetch/$s_!1JAF!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6316d0e3-5466-4ee0-91cd-5ad08725e01e_836x706.png 424w, /__u/substackcdn.com/image/fetch/$s_!1JAF!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6316d0e3-5466-4ee0-91cd-5ad08725e01e_836x706.png 848w, /__u/substackcdn.com/image/fetch/$s_!1JAF!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6316d0e3-5466-4ee0-91cd-5ad08725e01e_836x706.png 1272w, /__u/substackcdn.com/image/fetch/$s_!1JAF!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6316d0e3-5466-4ee0-91cd-5ad08725e01e_836x706.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Aunque la pr&#243;xima vez que los veas no seas capaz de configurarlos, por lo menos ya sabr&#225;s m&#225;s o menos de que va la cosa ;) </p><div><hr></div><p>Hasta aqu&#237; la edici&#243;n. Espero que os haya gustado y amenizado el caf&#233;, el viaje en transporte p&#250;blico o inicio de la siesta. <strong>Cualquier sugerencia, recomendaci&#243;n o comentario pod&#233;is responder a este mismo correo</strong>.</p><p>Si te ha gustado, ay&#250;dame a darle un segundo empuj&#243;n <strong>comparti&#233;ndolo en tus redes sociales, con tus amigos o compa&#241;eros de trabajo</strong>. Y si no te ha gustado, te pido disculpas, pero no se aceptan devoluciones.</p><div class="captioned-button-wrap" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-32_es-informe-de-ember?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="CaptionedButtonToDOM"><div class="preamble"><p class="cta-caption">Thank you for reading Solarletter. This post is public so feel free to share it.</p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-32_es-informe-de-ember?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-32_es-informe-de-ember?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/subscribe"><span>Subscribe now</span></a></p><p>&#161;Saludos solares!</p>]]></content:encoded></item><item><title><![CDATA[Solarletter #31_EN - Solar Power Europe: A Look Toward 2030]]></title><description><![CDATA[Also: The Rise of Technical Curtailment in Spain, Germany Ready to Subsidise Electricity for Its Industry and Storage to the Rescue as Prices Continue to Fall]]></description><link>https://solarletter.substack.com/p/solarletter-31_en-solar-power-europe</link><guid isPermaLink="false">https://solarletter.substack.com/p/solarletter-31_en-solar-power-europe</guid><dc:creator><![CDATA[Imanol Matanza Medina]]></dc:creator><pubDate>Tue, 20 Jan 2026 09:01:54 GMT</pubDate><enclosure url="https://substack-post-media.s3.amazonaws.com/public/images/53b66839-4184-4f0f-a8eb-55285734e51a_1536x1024.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="pullquote"><p>Please note that text below has been translated from the spanish version by using AI</p></div><p>Hello everyone and welcome back to Solarletter. My name is Imanol Matanza, and I aim to share with you the <strong>latest news, technological advancements, and trends in the field of photovoltaic energy</strong>. Through Solarletter, I hope to provide you with <strong>valuable information, market analysis, state-of-the-art updates, and practical tips</strong> that will help you stay informed about the latest developments in the photovoltaic industry.</p><p>For those of you who would like to see a summary of wind and solar energy in Spain in 2025, I recommend visiting <a href="https://www.linkedin.com/pulse/e%C3%B3lica-y-solar-en-espa%C3%B1a-resumen-del-2025-kiko-maza-vuife/?trackingId=kpO%2FJL5pA8p0K9czh3JQcA%3D%3D">El Rinc&#243;n de las Renovables</a> by <a href="https://www.linkedin.com/in/fmaza/">Kiko Maza</a>. The overview presents the evolution of renewables and the electricity sector over the past year.</p><p>Here, we focus on photovoltaics (and occasionally on batteries). If you do not want to miss future editions, I leave a link here:</p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/subscribe"><span>Subscribe now</span></a></p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-31_en-solar-power-europe?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-31_en-solar-power-europe?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p><p>I am always open to suggestions, questions, and comments, so please feel free to contact me. If you like it, don't hesitate to subscribe and share!</p><p>Alright, let us go with a couple of interesting pieces of news!</p><div><hr></div><h4><strong>Solar Power Europe: A Look Toward 2030</strong></h4><p>Over the past decade, European photovoltaics have experienced extraordinary growth, driven by falling costs, the energy crisis, and a clear political commitment to reducing dependence on fossil fuels. However, the latest <a href="http://chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/https://api.solarpowereurope.org/uploads/Report_EU_Solar_Market_Outlook_2025_2030_215fab8c9d.pdf">report </a>from <a href="https://www.solarpowereurope.org/insights/outlooks/eu-solar-market-outlook-2025-2030/detail">SolarPower Europe</a> shows a slowdown in momentum. <strong>Europe continues and will continue to build photovoltaic capacity, but no longer at breakneck speed</strong>, as we already illustrated in <a href="/__u/solarletter.substack.com/i/138359244/when-reality-escapes-the-screen">Solarletter #8</a>.</p><p>The first chart is highly revealing. After several years of continuous acceleration, <strong>the pace of new capacity installation is beginning to stabilise</strong>. This is not an abrupt decline, but it does represent a clear slowdown compared to the steep growth observed between 2021 and 2023. Solar remains the technology with the highest capacity additions in Europe, but growth is no longer exponential. According to the report, the reasons are not technological or cost-related, but structural: <strong>saturated grids, administrative delays, insufficient electrification of demand, and increasing price cannibalisation during solar hours</strong>.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!QAOw!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcad6a401-ed6f-4803-961c-13635024d12e_897x526.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!QAOw!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcad6a401-ed6f-4803-961c-13635024d12e_897x526.png 424w, /__u/substackcdn.com/image/fetch/$s_!QAOw!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcad6a401-ed6f-4803-961c-13635024d12e_897x526.png 848w, /__u/substackcdn.com/image/fetch/$s_!QAOw!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcad6a401-ed6f-4803-961c-13635024d12e_897x526.png 1272w, /__u/substackcdn.com/image/fetch/$s_!QAOw!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcad6a401-ed6f-4803-961c-13635024d12e_897x526.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!QAOw!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcad6a401-ed6f-4803-961c-13635024d12e_897x526.png" width="897" height="526" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/cad6a401-ed6f-4803-961c-13635024d12e_897x526.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:526,&quot;width&quot;:897,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:127983,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:&quot;&quot;,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/184957395?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcad6a401-ed6f-4803-961c-13635024d12e_897x526.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" title="" srcset="/__u/substackcdn.com/image/fetch/$s_!QAOw!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcad6a401-ed6f-4803-961c-13635024d12e_897x526.png 424w, /__u/substackcdn.com/image/fetch/$s_!QAOw!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcad6a401-ed6f-4803-961c-13635024d12e_897x526.png 848w, /__u/substackcdn.com/image/fetch/$s_!QAOw!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcad6a401-ed6f-4803-961c-13635024d12e_897x526.png 1272w, /__u/substackcdn.com/image/fetch/$s_!QAOw!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcad6a401-ed6f-4803-961c-13635024d12e_897x526.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>The second chart expands on this idea by presenting <strong>several growth scenarios</strong> through 2030. The central scenario falls short of what is required to meet European climate targets. Only the most optimistic scenarios, which assume accelerated reforms in grids, permitting, and storage, would allow the targets set for the end of the decade to be achieved. The message is clear: <strong>current challenges are constraining the addition of new capacity</strong>.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!iBuM!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32cd4f64-94bc-4d73-a789-d36b29024139_907x533.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!iBuM!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32cd4f64-94bc-4d73-a789-d36b29024139_907x533.png 424w, /__u/substackcdn.com/image/fetch/$s_!iBuM!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32cd4f64-94bc-4d73-a789-d36b29024139_907x533.png 848w, /__u/substackcdn.com/image/fetch/$s_!iBuM!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32cd4f64-94bc-4d73-a789-d36b29024139_907x533.png 1272w, /__u/substackcdn.com/image/fetch/$s_!iBuM!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32cd4f64-94bc-4d73-a789-d36b29024139_907x533.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!iBuM!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32cd4f64-94bc-4d73-a789-d36b29024139_907x533.png" width="907" height="533" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/32cd4f64-94bc-4d73-a789-d36b29024139_907x533.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:533,&quot;width&quot;:907,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:117038,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:&quot;&quot;,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/184957395?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32cd4f64-94bc-4d73-a789-d36b29024139_907x533.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" title="" srcset="/__u/substackcdn.com/image/fetch/$s_!iBuM!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32cd4f64-94bc-4d73-a789-d36b29024139_907x533.png 424w, /__u/substackcdn.com/image/fetch/$s_!iBuM!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32cd4f64-94bc-4d73-a789-d36b29024139_907x533.png 848w, /__u/substackcdn.com/image/fetch/$s_!iBuM!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32cd4f64-94bc-4d73-a789-d36b29024139_907x533.png 1272w, /__u/substackcdn.com/image/fetch/$s_!iBuM!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32cd4f64-94bc-4d73-a789-d36b29024139_907x533.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>The third chart focuses on the <strong>real weight of photovoltaics within the electricity mix</strong>. In just four years, solar PV has moved from being a complementary technology to becoming one of the main sources of electricity in many European countries. Its share of electricity generation continues to grow year after year, confirming that photovoltaics are no longer a future promise, but a backbone of the power system. At the same time, the problem of price cannibalisation is intensifying, as when one producer generates, their neighbour does so as well.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!QXvp!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F75ca2312-2949-41c3-9f5a-71e08d29fca9_908x797.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!QXvp!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F75ca2312-2949-41c3-9f5a-71e08d29fca9_908x797.png 424w, /__u/substackcdn.com/image/fetch/$s_!QXvp!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F75ca2312-2949-41c3-9f5a-71e08d29fca9_908x797.png 848w, /__u/substackcdn.com/image/fetch/$s_!QXvp!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F75ca2312-2949-41c3-9f5a-71e08d29fca9_908x797.png 1272w, /__u/substackcdn.com/image/fetch/$s_!QXvp!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F75ca2312-2949-41c3-9f5a-71e08d29fca9_908x797.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!QXvp!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F75ca2312-2949-41c3-9f5a-71e08d29fca9_908x797.png" width="908" height="797" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/75ca2312-2949-41c3-9f5a-71e08d29fca9_908x797.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:797,&quot;width&quot;:908,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:173933,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:&quot;&quot;,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/184957395?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F75ca2312-2949-41c3-9f5a-71e08d29fca9_908x797.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" title="" srcset="/__u/substackcdn.com/image/fetch/$s_!QXvp!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F75ca2312-2949-41c3-9f5a-71e08d29fca9_908x797.png 424w, /__u/substackcdn.com/image/fetch/$s_!QXvp!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F75ca2312-2949-41c3-9f5a-71e08d29fca9_908x797.png 848w, /__u/substackcdn.com/image/fetch/$s_!QXvp!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F75ca2312-2949-41c3-9f5a-71e08d29fca9_908x797.png 1272w, /__u/substackcdn.com/image/fetch/$s_!QXvp!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F75ca2312-2949-41c3-9f5a-71e08d29fca9_908x797.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>The fourth chart clearly summarises which <strong>countries are leading solar deployment in Europe</strong>. Germany continues to hold the top position in terms of newly installed capacity, followed closely by Spain, Italy, and France. However, the report highlights that growth no longer depends solely on market size, but on each country&#8217;s ability to unlock administrative and grid bottlenecks. Some smaller markets are beginning to stand out precisely because of their regulatory agility, while others with strong solar potential risk stagnation.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!uc-N!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93843569-407b-4cc9-940f-fb85ee7b3b0e_897x533.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!uc-N!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93843569-407b-4cc9-940f-fb85ee7b3b0e_897x533.png 424w, /__u/substackcdn.com/image/fetch/$s_!uc-N!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93843569-407b-4cc9-940f-fb85ee7b3b0e_897x533.png 848w, /__u/substackcdn.com/image/fetch/$s_!uc-N!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93843569-407b-4cc9-940f-fb85ee7b3b0e_897x533.png 1272w, /__u/substackcdn.com/image/fetch/$s_!uc-N!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93843569-407b-4cc9-940f-fb85ee7b3b0e_897x533.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!uc-N!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93843569-407b-4cc9-940f-fb85ee7b3b0e_897x533.png" width="897" height="533" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/93843569-407b-4cc9-940f-fb85ee7b3b0e_897x533.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:533,&quot;width&quot;:897,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:73148,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:&quot;&quot;,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/184957395?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93843569-407b-4cc9-940f-fb85ee7b3b0e_897x533.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" title="" srcset="/__u/substackcdn.com/image/fetch/$s_!uc-N!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93843569-407b-4cc9-940f-fb85ee7b3b0e_897x533.png 424w, /__u/substackcdn.com/image/fetch/$s_!uc-N!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93843569-407b-4cc9-940f-fb85ee7b3b0e_897x533.png 848w, /__u/substackcdn.com/image/fetch/$s_!uc-N!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93843569-407b-4cc9-940f-fb85ee7b3b0e_897x533.png 1272w, /__u/substackcdn.com/image/fetch/$s_!uc-N!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93843569-407b-4cc9-940f-fb85ee7b3b0e_897x533.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>The report concludes with a message that aligns closely with many of the discussions recently seen in forums such as CITE and in debates around the European value chain: <strong>photovoltaics must shift from a logic of mass deployment to one of system integration</strong>. Additional megawatts alone are no longer sufficient. What is needed are grids, storage, electrification of demand, stable price signals, and regulatory frameworks that reduce risk for investors and developers.</p><p>In summary, Europe remains a global leader in solar energy, but the next leap forward will not be technological, it will be structural. <strong>If modernisation of the electricity system as a whole is not accelerated, photovoltaics risk becoming a victim of their own success</strong>.</p><h4>_</h4><h4><strong>The Rise of Technical Curtailment in Spain</strong></h4><p>We continue with an analysis by <a href="https://www.linkedin.com/feed/update/urn:li:activity:7416169527451021312/">Rodrigo Garc&#237;a Ruiz</a> from <a href="https://optimizeenergy.es/">Optimize Energy</a>, which connects directly with the previous topic: <strong>the challenge is no longer installing capacity, but integrating it</strong>. Spain has accumulated a large amount of renewable megawatts already in operation, with many more in the pipeline, while the available grid capacity is not expanding at the same pace. The result is a sustained increase in <em>curtailment</em>, especially at the most saturated photovoltaic and wind nodes.</p><p>The data shared by Rodrigo from Red El&#233;ctrica for the period from July to December 2025 show stressed conditions at nodes such as M&#233;rida, Tabernas, Alarcos, and La Solana, where <strong>up to 36% of renewable energy could not be integrated</strong>. Three main curtailment areas can be identified: the central and south-western part of the peninsula dominated by photovoltaics, the Ebro Valley with a strong wind presence, and the southern and south-eastern regions, once again largely photovoltaic. Extremadura and Castilla-La Mancha concentrate a significant share of both installed capacity and projects still entering the permitting process, further intensifying the issue.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!zgCr!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ff3a38d-935a-45f1-ad2f-78daa611c5e3_1000x639.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!zgCr!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ff3a38d-935a-45f1-ad2f-78daa611c5e3_1000x639.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!zgCr!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ff3a38d-935a-45f1-ad2f-78daa611c5e3_1000x639.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!zgCr!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ff3a38d-935a-45f1-ad2f-78daa611c5e3_1000x639.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!zgCr!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ff3a38d-935a-45f1-ad2f-78daa611c5e3_1000x639.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!zgCr!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ff3a38d-935a-45f1-ad2f-78daa611c5e3_1000x639.jpeg" width="579" height="369.981" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/3ff3a38d-935a-45f1-ad2f-78daa611c5e3_1000x639.jpeg&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:639,&quot;width&quot;:1000,&quot;resizeWidth&quot;:579,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;No alternative text description for this image&quot;,&quot;title&quot;:&quot;No alternative text description for this image&quot;,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="No alternative text description for this image" title="No alternative text description for this image" srcset="/__u/substackcdn.com/image/fetch/$s_!zgCr!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ff3a38d-935a-45f1-ad2f-78daa611c5e3_1000x639.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!zgCr!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ff3a38d-935a-45f1-ad2f-78daa611c5e3_1000x639.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!zgCr!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ff3a38d-935a-45f1-ad2f-78daa611c5e3_1000x639.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!zgCr!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ff3a38d-935a-45f1-ad2f-78daa611c5e3_1000x639.jpeg 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Overall, renewable <em>curtailment </em>in 2025 already exceeds 2 TWh from photovoltaics alone, <strong>equivalent to 3.6% of the energy offered in the day-ahead market that is lost and not remunerated</strong>. The conclusion is clear: risk has shifted from construction to evacuation and real-time system operation.</p><p>Rodrigo concludes as follows:</p><div class="pullquote"><p>The energy transition is no longer only about installing more capacity, but about integrating it intelligently. And that requires grids, storage, hybridisation, and planning that is far more closely aligned with the actual operation of the power system.</p></div><h4>_</h4><h4><strong>Germany Ready to Subsidise Electricity for Its Industry</strong></h4><p>The <a href="https://www.bundesregierung.de/breg-de/aktuelles/senkung-energiepreise-haushalt-2358526">German government</a> has launched a reduced industrial electricity price set at <strong>5 c&#8364;/kWh</strong>, a measure that will come into force in <strong>2026</strong> and responds to a clear reality: <strong>electricity costs have become a strategic risk for German industry</strong>. According to <a href="https://cubeconcepts.de/5-cent-industriestrompreis-ab-2026/">Cube Concepts GmbH</a>, although wholesale prices stabilised after the 2022 energy crisis, the average electricity price for industry stood at <strong>23.3 c&#8364;/kWh in 2024</strong> and remained between <strong>17.8 and 18.8 c&#8364;/kWh in 2025</strong>, placing Germany at the upper end of the European range.</p><p>One of the most relevant aspects is the <strong>price structure</strong>. Only around <strong>40% corresponds to the energy price itself</strong>, while the remaining <strong>60% consists of grid fees, taxes, and surcharges</strong>. Since these components are difficult to reduce in the short term, the government has decided to act directly on the energy price, fixing it at <strong>5 c&#8364;/kWh</strong> in order to <strong>improve the international competitiveness of electro-intensive industries</strong> and <strong>accelerate investments linked to the energy transition</strong>.</p><p>The mechanism will be applied <strong>retroactively</strong>: companies will be able to request compensation in <strong>2027 for the 2026 financial year</strong>. The measure will be in force for <strong>three years (2026&#8211;2028)</strong>. Support is activated when the average electricity market price exceeds <strong>&#8364;50/MWh</strong>, covering the difference down to <strong>5 c&#8364;/kWh</strong>, but <strong>only for a portion of consumption</strong>.</p><p>Access to the programme is restricted to <strong>highly electro-intensive sectors exposed to international trade</strong>. In addition, the reduced price does not apply to 100% of consumption: on average, <strong>around 50% of the electricity consumed</strong> will be eligible for the subsidised price over the full period.</p><p>An interesting feature of the scheme is that companies must <strong>reinvest at least 50% of the aid received</strong> in <strong>renewables, storage, or energy efficiency</strong>. If this reinvestment reaches <strong>80%</strong>, companies may receive an <strong>additional 10% bonus</strong>.</p><p>Through this measure, Germany aims to <strong>retain industrial activity, accelerate electrification, and strengthen its productive base</strong> in the midst of the energy transition. It is a policy that will undoubtedly be <strong>closely watched by the rest of Europe.</strong></p><h4>_</h4><h4><strong>Storage to the Rescue as Prices Continue to Fall</strong></h4><p>Not all news are negative for photovoltaics; batteries are coming to the rescue. <strong>Lithium-ion battery prices fell again in 2025, with an average decline of 8% to 108 USD/kWh</strong>, according to <a href="https://about.bnef.com/insights/clean-transport/new-record-lows-for-battery-prices/">BloombergNEF</a>&#8217;s annual battery price survey.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!6nAp!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcc359323-d7d0-42e2-a8d5-24448f08fc54_797x499.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!6nAp!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcc359323-d7d0-42e2-a8d5-24448f08fc54_797x499.png 424w, /__u/substackcdn.com/image/fetch/$s_!6nAp!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcc359323-d7d0-42e2-a8d5-24448f08fc54_797x499.png 848w, /__u/substackcdn.com/image/fetch/$s_!6nAp!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, 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data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/cc359323-d7d0-42e2-a8d5-24448f08fc54_797x499.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:499,&quot;width&quot;:797,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:196351,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/184957395?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcc359323-d7d0-42e2-a8d5-24448f08fc54_797x499.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" title="" srcset="/__u/substackcdn.com/image/fetch/$s_!6nAp!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcc359323-d7d0-42e2-a8d5-24448f08fc54_797x499.png 424w, /__u/substackcdn.com/image/fetch/$s_!6nAp!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcc359323-d7d0-42e2-a8d5-24448f08fc54_797x499.png 848w, /__u/substackcdn.com/image/fetch/$s_!6nAp!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcc359323-d7d0-42e2-a8d5-24448f08fc54_797x499.png 1272w, /__u/substackcdn.com/image/fetch/$s_!6nAp!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcc359323-d7d0-42e2-a8d5-24448f08fc54_797x499.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>According to the analysis, the main driver behind this decline is <strong>industrial overcapacity</strong>, particularly in China. Battery factories have been built in anticipation of demand that has not yet materialised at the expected pace, which is beginning to generate intense competition among manufacturers. Added to this are <strong>continuous improvements in manufacturing processes</strong>, higher levels of automation, increased output per production line, and increasingly optimised designs. The result is that <strong>even when raw material prices increase, total battery costs continue to fall</strong>.</p><p>For the renewable energy sector, the impact is significant. <strong>Cheaper batteries improve the economic viability of storage</strong> at a time when wind power, and especially photovoltaics, are beginning to struggle with low prices, rising <em>curtailment</em>, and increasingly saturated grids. The lifeline is already in the water; it only needs to be taken.</p><p>However, BloombergNEF also issues a warning: <strong>these very low prices may not be sustainable across the entire value chain</strong>. Many manufacturers are operating with minimal margins, and future sector consolidation cannot be ruled out. In the medium term, the market may stabilise, but the message is clear: <strong>storage is no longer the economic bottleneck of the energy transition, but one of its greatest opportunities</strong>.</p><h4>_</h4><h4><strong>Edition&#180;s curiosity</strong></h4><p>Have you ever heard of miniature circuit breakers? I am sure that at some point you have had to switch them back on in your home electrical panel after overloading a power strip with too many devices.</p><p>In <a href="/__u/solarletter.substack.com/i/140685316/editions-microtip">Solarletter #12</a> we discussed fuses on the DC side, and in <a href="/__u/solarletter.substack.com/i/144851320/editions-microtip">Solarletter #17</a> we covered fuses on the AC side. Today we return to electrical protection devices, but this time we focus on miniature circuit breakers, also known as MCBs.</p><p>As the name suggests, a miniature circuit breaker is an automatic protection switch that operates through <strong>two mechanisms: thermal and magnetic</strong>.</p><ul><li><p>The <strong>thermal part</strong> works by means of a bimetallic strip that heats up when an <strong>overload current flows for a prolonged period</strong>. As it heats up, the strip bends and triggers the breaker, disconnecting the circuit in order to prevent the conductors from overheating.</p></li><li><p>The <strong>magnetic part</strong> acts against <strong>short circuits</strong>. A very high current generates an intense magnetic field in a coil or electromagnet, which trips the mechanism <strong>instantaneously</strong>, quickly disconnecting the installation to prevent damage.</p></li></ul><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!XXrg!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93a787e5-4ac1-4f2a-aa77-cba9e6548f80_651x360.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!XXrg!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93a787e5-4ac1-4f2a-aa77-cba9e6548f80_651x360.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!XXrg!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93a787e5-4ac1-4f2a-aa77-cba9e6548f80_651x360.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!XXrg!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93a787e5-4ac1-4f2a-aa77-cba9e6548f80_651x360.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!XXrg!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93a787e5-4ac1-4f2a-aa77-cba9e6548f80_651x360.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!XXrg!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93a787e5-4ac1-4f2a-aa77-cba9e6548f80_651x360.jpeg" width="571" height="315.7603686635945" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/93a787e5-4ac1-4f2a-aa77-cba9e6548f80_651x360.jpeg&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:360,&quot;width&quot;:651,&quot;resizeWidth&quot;:571,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Foto de un Interruptor Autom&#225;tico Modular&quot;,&quot;title&quot;:&quot;Foto de un Interruptor Autom&#225;tico Modular&quot;,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Foto de un Interruptor Autom&#225;tico Modular" title="Foto de un Interruptor Autom&#225;tico Modular" srcset="/__u/substackcdn.com/image/fetch/$s_!XXrg!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93a787e5-4ac1-4f2a-aa77-cba9e6548f80_651x360.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!XXrg!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93a787e5-4ac1-4f2a-aa77-cba9e6548f80_651x360.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!XXrg!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93a787e5-4ac1-4f2a-aa77-cba9e6548f80_651x360.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!XXrg!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93a787e5-4ac1-4f2a-aa77-cba9e6548f80_651x360.jpeg 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>The <strong>main difference between miniature circuit breakers and fuses</strong> is that an <strong>MCB is a resettable </strong>device, whereas a <strong>fuse is single-use</strong>. Once the fault has been cleared, the miniature circuit breaker can be switched back on. By contrast, a fuse melts, effectively interrupting the circuit but requiring replacement afterwards, offering a simpler and less flexible form of protection.</p><p>The <strong>characteristic curve</strong> that defines the protection of a miniature circuit breaker is similar to that of a fuse when the current increases progressively, but it shows an abrupt trip once a certain current threshold is exceeded.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!ZCQe!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F935e4e86-43f3-4dac-aad5-2d999cdfc272_1086x841.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!ZCQe!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F935e4e86-43f3-4dac-aad5-2d999cdfc272_1086x841.png 424w, /__u/substackcdn.com/image/fetch/$s_!ZCQe!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F935e4e86-43f3-4dac-aad5-2d999cdfc272_1086x841.png 848w, /__u/substackcdn.com/image/fetch/$s_!ZCQe!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F935e4e86-43f3-4dac-aad5-2d999cdfc272_1086x841.png 1272w, /__u/substackcdn.com/image/fetch/$s_!ZCQe!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F935e4e86-43f3-4dac-aad5-2d999cdfc272_1086x841.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!ZCQe!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F935e4e86-43f3-4dac-aad5-2d999cdfc272_1086x841.png" width="536" height="415.0791896869245" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/935e4e86-43f3-4dac-aad5-2d999cdfc272_1086x841.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:841,&quot;width&quot;:1086,&quot;resizeWidth&quot;:536,&quot;bytes&quot;:43265,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/184949389?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F935e4e86-43f3-4dac-aad5-2d999cdfc272_1086x841.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="/__u/substackcdn.com/image/fetch/$s_!ZCQe!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F935e4e86-43f3-4dac-aad5-2d999cdfc272_1086x841.png 424w, /__u/substackcdn.com/image/fetch/$s_!ZCQe!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F935e4e86-43f3-4dac-aad5-2d999cdfc272_1086x841.png 848w, /__u/substackcdn.com/image/fetch/$s_!ZCQe!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F935e4e86-43f3-4dac-aad5-2d999cdfc272_1086x841.png 1272w, /__u/substackcdn.com/image/fetch/$s_!ZCQe!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F935e4e86-43f3-4dac-aad5-2d999cdfc272_1086x841.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>As already explained in <a href="/__u/solarletter.substack.com/i/144851320/editions-microtip">Solarletter #17</a>, the protection curve must lie to the left of the curve of the cable or circuit to be protected. This means that as the current increases, the protection device will always trip before the overcurrent can damage the cable or the circuit.</p><p>The existence of different tripping curves allows <strong>greater adaptability and flexibility</strong> in the design of electrical installations, depending on the characteristics of the circuit to be protected:</p><ul><li><p><strong>Type B</strong>: Trips at <strong>3 to 5 times</strong> the rated current. It is used in <strong>residential installations</strong> and circuits with resistive or slightly inductive loads, such as lighting and general-purpose outlets.</p></li><li><p><strong>Type C</strong>: Trips at <strong>5 to 10 times</strong> the rated current. It is the most common type in <strong>light industrial and commercial installations</strong>, suitable for loads with moderate inrush currents such as small motors.</p></li><li><p><strong>Type D</strong>: Trips at <strong>10 to 20 times</strong> the rated current. It is used in <strong>industrial installations with equipment that presents high starting current peaks</strong>, such as large motors, transformers, or heavy machinery.</p></li></ul><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!KBxh!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd5e8c4a-fdb8-439c-a089-2bf5616dcfc2_1000x571.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!KBxh!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd5e8c4a-fdb8-439c-a089-2bf5616dcfc2_1000x571.png 424w, /__u/substackcdn.com/image/fetch/$s_!KBxh!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd5e8c4a-fdb8-439c-a089-2bf5616dcfc2_1000x571.png 848w, /__u/substackcdn.com/image/fetch/$s_!KBxh!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd5e8c4a-fdb8-439c-a089-2bf5616dcfc2_1000x571.png 1272w, /__u/substackcdn.com/image/fetch/$s_!KBxh!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd5e8c4a-fdb8-439c-a089-2bf5616dcfc2_1000x571.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!KBxh!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd5e8c4a-fdb8-439c-a089-2bf5616dcfc2_1000x571.png" width="1000" height="571" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/dd5e8c4a-fdb8-439c-a089-2bf5616dcfc2_1000x571.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:571,&quot;width&quot;:1000,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;What's the difference between type B, C &amp; D MCBs?&quot;,&quot;title&quot;:&quot;What's the difference between type B, C &amp; D MCBs?&quot;,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="What's the difference between type B, C &amp; D MCBs?" title="What's the difference between type B, C &amp; D MCBs?" srcset="/__u/substackcdn.com/image/fetch/$s_!KBxh!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd5e8c4a-fdb8-439c-a089-2bf5616dcfc2_1000x571.png 424w, /__u/substackcdn.com/image/fetch/$s_!KBxh!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd5e8c4a-fdb8-439c-a089-2bf5616dcfc2_1000x571.png 848w, /__u/substackcdn.com/image/fetch/$s_!KBxh!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd5e8c4a-fdb8-439c-a089-2bf5616dcfc2_1000x571.png 1272w, /__u/substackcdn.com/image/fetch/$s_!KBxh!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd5e8c4a-fdb8-439c-a089-2bf5616dcfc2_1000x571.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>The <strong>normative condition that must be fulfilled to select the rated current In of a miniature circuit breaker</strong> is as follows:</p><div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!EGzX!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd79be526-2b4f-4d7d-8f25-e271eff84548_122x37.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!EGzX!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd79be526-2b4f-4d7d-8f25-e271eff84548_122x37.png 424w, /__u/substackcdn.com/image/fetch/$s_!EGzX!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd79be526-2b4f-4d7d-8f25-e271eff84548_122x37.png 848w, /__u/substackcdn.com/image/fetch/$s_!EGzX!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd79be526-2b4f-4d7d-8f25-e271eff84548_122x37.png 1272w, /__u/substackcdn.com/image/fetch/$s_!EGzX!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd79be526-2b4f-4d7d-8f25-e271eff84548_122x37.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!EGzX!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd79be526-2b4f-4d7d-8f25-e271eff84548_122x37.png" width="122" height="37" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/d79be526-2b4f-4d7d-8f25-e271eff84548_122x37.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:37,&quot;width&quot;:122,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:1569,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/184957395?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd79be526-2b4f-4d7d-8f25-e271eff84548_122x37.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" title="" srcset="/__u/substackcdn.com/image/fetch/$s_!EGzX!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd79be526-2b4f-4d7d-8f25-e271eff84548_122x37.png 424w, /__u/substackcdn.com/image/fetch/$s_!EGzX!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd79be526-2b4f-4d7d-8f25-e271eff84548_122x37.png 848w, /__u/substackcdn.com/image/fetch/$s_!EGzX!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd79be526-2b4f-4d7d-8f25-e271eff84548_122x37.png 1272w, /__u/substackcdn.com/image/fetch/$s_!EGzX!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd79be526-2b4f-4d7d-8f25-e271eff84548_122x37.png 1456w" sizes="100vw" loading="lazy"></picture><div></div></div></a></figure></div><p>where:</p><ul><li><p><strong>Ib</strong> is the design or <strong>operating current</strong> of the circuit.</p></li><li><p><strong>In</strong> is the <strong>rated current of the miniature circuit breaker</strong>.</p></li><li><p><strong>Iz</strong> is the <strong>maximum admissible current</strong> of the conductor.</p></li></ul><p>Nevertheless, the selection of a miniature circuit breaker is not based solely on its curve and rated current. Other system parameters must also be considered, such as the operating voltage, the number of poles, the short-circuit current, and other relevant characteristics.</p><div><hr></div><p>That concludes the edition. I hope you enjoyed and it made your coffee break, public transportation ride, or nap more enjoyable. <strong>If you have any suggestions, recommendations, or comments, feel free to reply to this email</strong>.</p><p>If you liked it, help me give it a boost by <strong>sharing it on your social media, with your friends, or coworkers</strong>. And if you did not like it, I apologize, but returns are not accepted.</p><div class="captioned-button-wrap" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-31_en-solar-power-europe?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="CaptionedButtonToDOM"><div class="preamble"><p class="cta-caption">Thank you for reading Solarletter. This post is public so feel free to share it.</p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-31_en-solar-power-europe?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-31_en-solar-power-europe?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Abonnieren jetzt&quot;,&quot;action&quot;:null,&quot;class&quot;:&quot;button-wrapper&quot;}" data-component-name="ButtonCreateButton"><a class="button primary button-wrapper" href="/__u/solarletter.substack.com/subscribe"><span>Abonnieren jetzt</span></a></p><p>Sunny Regards!</p>]]></content:encoded></item><item><title><![CDATA[Solarletter #31_ES - Solar Power EU, un vistazo hacia 2030]]></title><description><![CDATA[Tambi&#233;n: El avance de los curtailment t&#233;cnicos en Espa&#241;a, Alemania lista para subvencionar la electricidad de su industria y Almacenamiento al rescate, sus precios siguen bajando]]></description><link>https://solarletter.substack.com/p/solarletter-31_es-solar-power-eu</link><guid isPermaLink="false">https://solarletter.substack.com/p/solarletter-31_es-solar-power-eu</guid><dc:creator><![CDATA[Imanol Matanza Medina]]></dc:creator><pubDate>Tue, 20 Jan 2026 09:01:53 GMT</pubDate><enclosure url="https://substack-post-media.s3.amazonaws.com/public/images/c372fb7f-2fa9-4759-bf7e-b649b79f2300_1536x1024.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<p>Hola a todos y bienvenidos de nuevo a Solarletter. Mi nombre es <a href="https://www.linkedin.com/in/imanol-matanza-medina-305271150/">Imanol Matanza</a> y trato de compartir contigo las <strong>&#250;ltimas noticias, avances tecnol&#243;gicos y tendencias en el campo de la energ&#237;a fotovoltaica</strong>. A trav&#233;s de Solarletter, espero aportarte <strong>informaci&#243;n valiosa, an&#225;lisis de mercado, estado del arte y peque&#241;os consejos pr&#225;cticos</strong> que te ayudar&#225;n a mantenerte al tanto de los desarrollos m&#225;s recientes en la industria fotovoltaica. </p><p>Para aquellos que quer&#225;is ver un resumen de e&#243;lica y solar en Espa&#241;a del 2025, os recomiendo que os pas&#233;is por el <a href="https://www.linkedin.com/pulse/e%C3%B3lica-y-solar-en-espa%C3%B1a-resumen-del-2025-kiko-maza-vuife/?trackingId=kpO%2FJL5pA8p0K9czh3JQcA%3D%3D">El Rinc&#243;n de las Renovables</a> de <a href="https://www.linkedin.com/in/fmaza/">Kiko Maza</a>. El resumen muestra la evoluci&#243;n de las renovables y el sector el&#233;ctrico el a&#241;o pasado.</p><p>Aqu&#237; hablamos de fotovoltaica (y a veces de Bater&#237;as), si no os quer&#233;is perder futuras ediciones, os dejo un link aqu&#237;:</p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/subscribe"><span>Subscribe now</span></a></p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-31_es-solar-power-eu?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-31_es-solar-power-eu?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p><p>Siempre estoy abierto a sugerencias, preguntas y comentarios, as&#237; que no dudes en contactarme. &#161;Si te gusta, no dudes en subscribirte y compartirla!</p><p>Ahora s&#237;, vamos con un par de noticias interesantes!</p><div><hr></div><h4>Solar Power EU, un vistazo hacia 2030</h4><p>Durante la &#250;ltima d&#233;cada, la fotovoltaica europea ha vivido un crecimiento extraordinario, impulsado por la bajada de costes, la crisis energ&#233;tica y una voluntad pol&#237;tica clara de reducir la dependencia de combustibles f&#243;siles. Sin embargo, el &#250;ltimo <a href="http://chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/https://api.solarpowereurope.org/uploads/Report_EU_Solar_Market_Outlook_2025_2030_215fab8c9d.pdf">informe </a>de <a href="https://www.solarpowereurope.org/insights/outlooks/eu-solar-market-outlook-2025-2030/detail">SolarPower Europe</a> muestra una bajada de marcha: <strong>Europa sigue y seguir&#225; construyendo fotovoltaica, pero ya sin salirse de la pantalla, </strong>tal y como mostr&#225;bamos en <a href="/__u/solarletter.substack.com/i/138194987/cuando-la-realidad-se-sale-de-la-pantalla">Solarletter #8</a>.</p><p>La primera de las gr&#225;ficas es muy reveladora. Tras varios a&#241;os de aceleraci&#243;n continua, <strong>la velocidad de instalaci&#243;n de nueva capacidad empieza a estabilizarse</strong>. No hablamos de una ca&#237;da abrupta, pero s&#237; de un frenazo claro respecto a la pendiente que vimos entre 2021 y 2023. La solar sigue siendo la tecnolog&#237;a que m&#225;s capacidad instala en Europa, pero el crecimiento ya no es exponencial. Seg&#250;n el informe, <strong>la raz&#243;n</strong> no es la tecnolog&#237;a ni el coste, sino factores estructurales: <strong>redes saturadas, retrasos administrativos, falta de electrificaci&#243;n de la demanda y una creciente canibalizaci&#243;n de precios en las horas solares</strong>.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!QAOw!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcad6a401-ed6f-4803-961c-13635024d12e_897x526.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!QAOw!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcad6a401-ed6f-4803-961c-13635024d12e_897x526.png 424w, /__u/substackcdn.com/image/fetch/$s_!QAOw!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcad6a401-ed6f-4803-961c-13635024d12e_897x526.png 848w, /__u/substackcdn.com/image/fetch/$s_!QAOw!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcad6a401-ed6f-4803-961c-13635024d12e_897x526.png 1272w, /__u/substackcdn.com/image/fetch/$s_!QAOw!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcad6a401-ed6f-4803-961c-13635024d12e_897x526.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!QAOw!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcad6a401-ed6f-4803-961c-13635024d12e_897x526.png" width="897" height="526" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/cad6a401-ed6f-4803-961c-13635024d12e_897x526.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:526,&quot;width&quot;:897,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:127983,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:&quot;&quot;,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/184957395?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcad6a401-ed6f-4803-961c-13635024d12e_897x526.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" title="" srcset="/__u/substackcdn.com/image/fetch/$s_!QAOw!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcad6a401-ed6f-4803-961c-13635024d12e_897x526.png 424w, /__u/substackcdn.com/image/fetch/$s_!QAOw!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcad6a401-ed6f-4803-961c-13635024d12e_897x526.png 848w, /__u/substackcdn.com/image/fetch/$s_!QAOw!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcad6a401-ed6f-4803-961c-13635024d12e_897x526.png 1272w, /__u/substackcdn.com/image/fetch/$s_!QAOw!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcad6a401-ed6f-4803-961c-13635024d12e_897x526.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>La segunda gr&#225;fica ampl&#237;a esta idea mostrando <strong>varios escenarios de crecimiento hasta 2030</strong>. El escenario medio, queda por debajo de lo necesario para cumplir los objetivos clim&#225;ticos europeos. Solo los escenarios m&#225;s optimistas, que asumen reformas aceleradas en redes, permisos y almacenamiento, permitir&#237;an alcanzar las metas marcadas para finales de la d&#233;cada. El mensaje es claro: <strong>los desaf&#237;os actuales lastran la incorporaci&#243;n de nueva capacidad</strong>.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!iBuM!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32cd4f64-94bc-4d73-a789-d36b29024139_907x533.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!iBuM!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32cd4f64-94bc-4d73-a789-d36b29024139_907x533.png 424w, /__u/substackcdn.com/image/fetch/$s_!iBuM!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32cd4f64-94bc-4d73-a789-d36b29024139_907x533.png 848w, /__u/substackcdn.com/image/fetch/$s_!iBuM!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32cd4f64-94bc-4d73-a789-d36b29024139_907x533.png 1272w, /__u/substackcdn.com/image/fetch/$s_!iBuM!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32cd4f64-94bc-4d73-a789-d36b29024139_907x533.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!iBuM!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32cd4f64-94bc-4d73-a789-d36b29024139_907x533.png" width="907" height="533" 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32cd4f64-94bc-4d73-a789-d36b29024139_907x533.png 424w, /__u/substackcdn.com/image/fetch/$s_!iBuM!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32cd4f64-94bc-4d73-a789-d36b29024139_907x533.png 848w, /__u/substackcdn.com/image/fetch/$s_!iBuM!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32cd4f64-94bc-4d73-a789-d36b29024139_907x533.png 1272w, /__u/substackcdn.com/image/fetch/$s_!iBuM!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32cd4f64-94bc-4d73-a789-d36b29024139_907x533.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>La tercera gr&#225;fica pone el foco en el <strong>peso real de la fotovoltaica en el mix el&#233;ctrico</strong>. En apenas cuatro a&#241;os, la fotovoltaica ha pasado de ser una tecnolog&#237;a complementaria a convertirse en una de las principales fuentes de electricidad en muchos pa&#237;ses europeos. Su cuota en la generaci&#243;n el&#233;ctrica sigue creciendo a&#241;o tras a&#241;o, lo que confirma que la fotovoltaica ya no es una promesa futura, sino una columna vertebral del sistema el&#233;ctrico. Al mismo tiempo, el problema de la canibalizaci&#243;n se agrava, ya que cuando produces tu, tambi&#233;n quiere producir tu vecino.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!QXvp!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F75ca2312-2949-41c3-9f5a-71e08d29fca9_908x797.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!QXvp!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F75ca2312-2949-41c3-9f5a-71e08d29fca9_908x797.png 424w, /__u/substackcdn.com/image/fetch/$s_!QXvp!, 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F75ca2312-2949-41c3-9f5a-71e08d29fca9_908x797.png 424w, /__u/substackcdn.com/image/fetch/$s_!QXvp!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F75ca2312-2949-41c3-9f5a-71e08d29fca9_908x797.png 848w, /__u/substackcdn.com/image/fetch/$s_!QXvp!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F75ca2312-2949-41c3-9f5a-71e08d29fca9_908x797.png 1272w, /__u/substackcdn.com/image/fetch/$s_!QXvp!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F75ca2312-2949-41c3-9f5a-71e08d29fca9_908x797.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>La cuarta gr&#225;fica resume muy bien <strong>qu&#233; pa&#237;ses est&#225;n liderando el despliegue solar en Europa</strong>. Alemania sigue ocupando la primera posici&#243;n en t&#233;rminos de nueva capacidad instalada, seguida de cerca por Espa&#241;a, Italia y Francia. Sin embargo, el informe destaca que el crecimiento ya no depende solo del tama&#241;o del mercado, sino de la capacidad de cada pa&#237;s para desbloquear cuellos de botella administrativos y de red. Algunos mercados m&#225;s peque&#241;os est&#225;n empezando a destacar precisamente por su agilidad regulatoria, mientras que otros, con gran potencial solar, corren el riesgo de estancarse.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!uc-N!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93843569-407b-4cc9-940f-fb85ee7b3b0e_897x533.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!uc-N!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93843569-407b-4cc9-940f-fb85ee7b3b0e_897x533.png 424w, /__u/substackcdn.com/image/fetch/$s_!uc-N!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93843569-407b-4cc9-940f-fb85ee7b3b0e_897x533.png 848w, /__u/substackcdn.com/image/fetch/$s_!uc-N!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93843569-407b-4cc9-940f-fb85ee7b3b0e_897x533.png 1272w, /__u/substackcdn.com/image/fetch/$s_!uc-N!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93843569-407b-4cc9-940f-fb85ee7b3b0e_897x533.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!uc-N!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93843569-407b-4cc9-940f-fb85ee7b3b0e_897x533.png" width="897" height="533" 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93843569-407b-4cc9-940f-fb85ee7b3b0e_897x533.png 424w, /__u/substackcdn.com/image/fetch/$s_!uc-N!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93843569-407b-4cc9-940f-fb85ee7b3b0e_897x533.png 848w, /__u/substackcdn.com/image/fetch/$s_!uc-N!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93843569-407b-4cc9-940f-fb85ee7b3b0e_897x533.png 1272w, /__u/substackcdn.com/image/fetch/$s_!uc-N!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93843569-407b-4cc9-940f-fb85ee7b3b0e_897x533.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>El informe concluye con un mensaje que encaja perfectamente con muchas de las discusiones que hemos visto recientemente en foros como el CITE o en el debate sobre la cadena de valor europea: <strong>la fotovoltaica necesita pasar de una l&#243;gica de despliegue masivo a una l&#243;gica de integraci&#243;n en el sistema</strong>. M&#225;s megavatios por s&#237; solos ya no son suficientes. Hace falta red, almacenamiento, electrificaci&#243;n del consumo, se&#241;ales de precio estables y marcos regulatorios que reduzcan el riesgo para inversores y promotores.</p><p>En resumen, Europa sigue siendo un l&#237;der mundial en energ&#237;a solar, pero el pr&#243;ximo salto ya no ser&#225; tecnol&#243;gico, sino estructural. <strong>Si no se acelera la modernizaci&#243;n del sistema el&#233;ctrico en su conjunto, la fotovoltaica corre el riesgo de convertirse en v&#237;ctima de su propio &#233;xito</strong>.</p><h4>_</h4><h4>El avance de los curtailment t&#233;cnicos en Espa&#241;a</h4><p>Seguimos con un an&#225;lisis de <a href="https://www.linkedin.com/feed/update/urn:li:activity:7416169527451021312/">Rodrigo Garc&#237;a Ruiz</a> de <a href="https://optimizeenergy.es/">Optimize Energy</a>, que conecta con la noticia anterior: <strong>el desaf&#237;o ya no es instalar potencia, sino como integrarla</strong>. Espa&#241;a acumula muchos megavatios renovables en operaci&#243;n y otros tantos en camino, pero la red disponible no crece al mismo ritmo. El resultado es un aumento sostenido de los <em>curtailment</em>, especialmente en los nudos m&#225;s saturados de fotovoltaica y e&#243;lica.</p><p>Los datos que Rodrigo comparte de Red El&#233;ctrica para el periodo de julio a diciembre de 2025 muestran situaciones tensas en nudos como M&#233;rida, Tabernas, Alarcos o La Solana, donde <strong>hasta un 36% de la energ&#237;a renovable no ha podido ser integrada</strong>. Se identifican tres grandes &#225;reas de recorte: el centro y suroeste peninsular dominado por fotovoltaica, el valle del Ebro con fuerte presencia e&#243;lica, y el sur&#8211;sureste nuevamente muy fotovoltaico. Extremadura y Castilla-La Mancha concentran gran parte de la potencia ya instalada y de la que sigue entrando en tramitaci&#243;n, lo que intensifica el problema.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!zgCr!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ff3a38d-935a-45f1-ad2f-78daa611c5e3_1000x639.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!zgCr!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ff3a38d-935a-45f1-ad2f-78daa611c5e3_1000x639.jpeg 424w, 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/__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ff3a38d-935a-45f1-ad2f-78daa611c5e3_1000x639.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!zgCr!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ff3a38d-935a-45f1-ad2f-78daa611c5e3_1000x639.jpeg" width="579" height="369.981" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/3ff3a38d-935a-45f1-ad2f-78daa611c5e3_1000x639.jpeg&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:639,&quot;width&quot;:1000,&quot;resizeWidth&quot;:579,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;No alternative text description for this 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/__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ff3a38d-935a-45f1-ad2f-78daa611c5e3_1000x639.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!zgCr!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ff3a38d-935a-45f1-ad2f-78daa611c5e3_1000x639.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!zgCr!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ff3a38d-935a-45f1-ad2f-78daa611c5e3_1000x639.jpeg 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>En conjunto, el <em>curtailment </em>renovable en 2025 ya supera los 2 TWh solo en fotovoltaica, lo que equivale a <strong>un 3,6% de la energ&#237;a ofertada en el mercado diario que se pierde y no se remunera</strong>. La conclusi&#243;n es clara: el riesgo se ha desplazado desde la construcci&#243;n hacia la evacuaci&#243;n y la operaci&#243;n real del sistema. </p><p>Rodrigo concluye as&#237;: </p><div class="pullquote"><p>La transici&#243;n energ&#233;tica ya no va solo de instalar m&#225;s potencia, sino de integrarla de forma inteligente. Y eso implica red, almacenamiento, hibridaci&#243;n y una planificaci&#243;n mucho m&#225;s alineada con la operaci&#243;n real del sistema el&#233;ctrico.</p></div><h4>_</h4><h4><strong>Alemania lista para subvencionar la electricidad de su industria</strong></h4><p>El <a href="https://www.bundesregierung.de/breg-de/aktuelles/senkung-energiepreise-haushalt-2358526">Gobierno alem&#225;n</a> ha puesto en marcha el <strong>precio el&#233;ctrico industrial reducido a 5 c&#8364;/kWh</strong>, una medida que entra en vigor en <strong>2026</strong> y responde a una realidad clara: <strong>el coste de la electricidad se ha convertido en un riesgo estrat&#233;gico para la industria alemana</strong>. Seg&#250;n <a href="https://cubeconcepts.de/5-cent-industriestrompreis-ab-2026/">Cube Concepts GmbH</a>, los precios mayoristas se estabilizaron tras la crisis energ&#233;tica de 2022, el precio medio para la industria fue de <strong>23,3 c&#8364;/kWh en 2024</strong> y se mantuvo todav&#237;a entre <strong>17,8 y 18,8 c&#8364;/kWh en 2025</strong>, situ&#225;ndose en la parte alta del rango europeo.</p><p>Uno de los aspectos m&#225;s relevantes es la <strong>estructura del precio</strong>. Solo alrededor del <strong>40% corresponde al precio de la energ&#237;a en s&#237;</strong>, mientras que el <strong>60% restante</strong> <strong>son peajes de red, impuestos y recargos</strong>. Dado que estos componentes son dif&#237;ciles de reducir a corto plazo, el Gobierno ha decidido actuar directamente sobre el <strong>precio de la energ&#237;a</strong>, fij&#225;ndolo en <strong>5 c&#8364;/kWh</strong>, con el objetivo de mejorar la competitividad internacional de las industrias electrointensivas y acelerar inversiones vinculadas a la transici&#243;n energ&#233;tica.</p><p>El mecanismo se aplicar&#225; de forma <strong>retroactiva</strong>: las empresas podr&#225;n solicitar la compensaci&#243;n en 2027 para el ejercicio 2026. La medida tendr&#225; una duraci&#243;n de <strong>tres a&#241;os (2026&#8211;2028)</strong>. La ayuda se activa cuando el precio medio del mercado el&#233;ctrico supere los <strong>50 &#8364;/MWh</strong>, cubriendo la diferencia hasta alcanzar los 5 c&#8364;/kWh, pero solo para una <strong>parte del consumo</strong>.</p><p>El acceso al programa est&#225; restringido a <strong>sectores altamente electrointensivos y expuestos al comercio internacional</strong>. Adem&#225;s, el precio reducido no se aplica al 100% del consumo: en promedio, <strong>alrededor del 50% de la electricidad consumida</strong> podr&#225; beneficiarse del precio subvencionado durante el periodo completo.</p><p>Algo interesante es que las empresas deber&#225;n <strong>reinvertir al menos el 50% de las ayudas recibidas</strong> en renovables, almacenamiento o eficiencia energ&#233;tica. Si esa reinversi&#243;n alcanza el <strong>80%</strong>, podr&#225;n obtener un <strong>bonus adicional del 10%</strong>.</p><p>De esta forma, Alemania busca <strong>retener industria, acelerar la electrificaci&#243;n y reforzar su base productiva</strong> en plena transici&#243;n energ&#233;tica. Una medida que, sin duda, ser&#225; observada muy de cerca desde el resto de Europa.</p><h4>_</h4><h4>Almacenamiento al rescate, sus precios siguen bajando</h4><p>No todo son malas noticias para la fotovoltaica, las bater&#237;as vienen al rescate. Los precios de las <strong>bater&#237;as de iones de litio volvieron a bajar en 2025, con una ca&#237;da media del 8 % hasta los 108 $/kWh</strong>, seg&#250;n la encuesta anual sobre precios realizada por <a href="https://about.bnef.com/insights/clean-transport/new-record-lows-for-battery-prices/">BloombergNEF</a>.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!6nAp!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcc359323-d7d0-42e2-a8d5-24448f08fc54_797x499.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!6nAp!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcc359323-d7d0-42e2-a8d5-24448f08fc54_797x499.png 424w, /__u/substackcdn.com/image/fetch/$s_!6nAp!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcc359323-d7d0-42e2-a8d5-24448f08fc54_797x499.png 848w, /__u/substackcdn.com/image/fetch/$s_!6nAp!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcc359323-d7d0-42e2-a8d5-24448f08fc54_797x499.png 1272w, /__u/substackcdn.com/image/fetch/$s_!6nAp!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcc359323-d7d0-42e2-a8d5-24448f08fc54_797x499.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!6nAp!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcc359323-d7d0-42e2-a8d5-24448f08fc54_797x499.png" width="797" height="499" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/cc359323-d7d0-42e2-a8d5-24448f08fc54_797x499.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:499,&quot;width&quot;:797,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:196351,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/184957395?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcc359323-d7d0-42e2-a8d5-24448f08fc54_797x499.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="/__u/substackcdn.com/image/fetch/$s_!6nAp!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcc359323-d7d0-42e2-a8d5-24448f08fc54_797x499.png 424w, /__u/substackcdn.com/image/fetch/$s_!6nAp!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcc359323-d7d0-42e2-a8d5-24448f08fc54_797x499.png 848w, /__u/substackcdn.com/image/fetch/$s_!6nAp!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcc359323-d7d0-42e2-a8d5-24448f08fc54_797x499.png 1272w, /__u/substackcdn.com/image/fetch/$s_!6nAp!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcc359323-d7d0-42e2-a8d5-24448f08fc54_797x499.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Seg&#250;n el an&#225;lisis, el principal motor de esta ca&#237;da es la<strong> sobrecapacidad industrial</strong>, especialmente en China. Las f&#225;bricas de bater&#237;as se han construido anticipando una demanda que todav&#237;a no ha llegado al ritmo esperado, lo que empieza a crear una fuerte competencia entre fabricantes (no s&#233; porque, pero esta historia me suena). A esto se suman <strong>mejoras continuas en los procesos productivos</strong>, mayores tasas de automatizaci&#243;n, rendimientos m&#225;s altos por l&#237;nea y dise&#241;os cada vez m&#225;s optimizados. El resultado: <strong>incluso cuando las materias primas encarecen, el coste total sigue bajando</strong>.</p><p>Para el sector renovable, el impacto es clave. Bater&#237;as m&#225;s baratas <strong>mejoran la viabilidad econ&#243;mica del almacenamiento</strong>, justo en un momento en el que la e&#243;lica y especialmente la fotovoltaica, se empiezan a ahogar en precios bajos, <em>curtailment </em>crecientes y redes cada vez m&#225;s saturadas. El salvavidas est&#225; en el agua, solo tienen que cogerlo.</p><p>Sin embargo, BloombergNEF tambi&#233;n lanza una advertencia: <strong>estos precios tan bajos no son necesariamente sostenibles para toda la cadena de valor</strong>. Muchos fabricantes est&#225;n operando con m&#225;rgenes m&#237;nimos, y no se descarta una futura consolidaci&#243;n del sector. A medio plazo, el mercado podr&#237;a estabilizarse, pero el mensaje es claro: <strong>el almacenamiento ya no es el cuello de botella econ&#243;mico de la transici&#243;n</strong>, sino una de sus grandes oportunidades.</p><h4>_</h4><h4><strong>El consejillo de la edici&#243;n</strong></h4><p>&#191;Has o&#237;do hablar alguna vez de los magnetot&#233;rmicos? Estoy seguro que alguna vez te ha tocado ir subirlos de nuevo en el cuadro el&#233;ctrico de tu casa. Te pasaste conectando aparatos a la regleta de un enchufe.</p><p>En <a href="/__u/solarletter.substack.com/i/140557962/el-consejillo-de-la-edicion">Solarletter #12</a> hablamos de los fusibles en la parte de DC, y en <a href="/__u/solarletter.substack.com/i/144851302/el-consejillo-de-la-edicion">Solarletter #17</a> de los fusibles en AC. Hoy volvemos a hablar de protecciones el&#233;ctricas, pero esta vez hablamos de los magnetot&#233;rmicos o MCB (<em>Mini Circuit Breakers</em>). </p><p>Tal y como indica su nombre, un <strong>magnetot&#233;rmico</strong> es un interruptor autom&#225;tico de protecci&#243;n que act&#250;a mediante <strong>dos sistemas: t&#233;rmico</strong> y <strong>magn&#233;tico</strong>. </p><ul><li><p>La <strong>parte t&#233;rmica</strong> funciona con una l&#225;mina bimet&#225;lica que se calienta cuando circula una <strong>sobrecarga</strong> <strong>durante un tiempo prolongado</strong>; al calentarse, se deforma y provoca el disparo, cortando el circuito para evitar el sobrecalentamiento de los conductores. </p></li><li><p>La <strong>parte magn&#233;tica</strong> act&#250;a frente a <strong>cortocircuitos</strong>, ya que una corriente muy alta genera un campo magn&#233;tico intenso en una bobina/electroim&#225;n que dispara el mecanismo de forma <strong>instant&#225;nea</strong>, desconectando la instalaci&#243;n r&#225;pidamente para evitar da&#241;os.</p></li></ul><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!XXrg!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93a787e5-4ac1-4f2a-aa77-cba9e6548f80_651x360.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!XXrg!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93a787e5-4ac1-4f2a-aa77-cba9e6548f80_651x360.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!XXrg!, /__u/solarletter.substack.com/w_848, 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/__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93a787e5-4ac1-4f2a-aa77-cba9e6548f80_651x360.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!XXrg!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93a787e5-4ac1-4f2a-aa77-cba9e6548f80_651x360.jpeg" width="651" height="360" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/93a787e5-4ac1-4f2a-aa77-cba9e6548f80_651x360.jpeg&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:360,&quot;width&quot;:651,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Foto de un Interruptor Autom&#225;tico Modular&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Foto de un Interruptor Autom&#225;tico Modular" title="Foto de un Interruptor Autom&#225;tico Modular" srcset="/__u/substackcdn.com/image/fetch/$s_!XXrg!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93a787e5-4ac1-4f2a-aa77-cba9e6548f80_651x360.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!XXrg!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93a787e5-4ac1-4f2a-aa77-cba9e6548f80_651x360.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!XXrg!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93a787e5-4ac1-4f2a-aa77-cba9e6548f80_651x360.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!XXrg!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F93a787e5-4ac1-4f2a-aa77-cba9e6548f80_651x360.jpeg 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>La <strong>principal diferencia entre los magnetot&#233;rmicos y los fusibles</strong> es que el <strong>magnetot&#233;rmico </strong>es un dispositivo <strong>rearmable</strong>, mientras que el <strong>fusible es de</strong> <strong>un solo uso</strong>. El magnetot&#233;rmico, una vez eliminada la falla, puede volver a conectarse. En cambio, el fusible se funde, interrumpiendo el circuito de forma efectiva pero obligando a sustituirlo despu&#233;s, ofreciendo una protecci&#243;n m&#225;s simple y menos flexible.</p><p>La <strong>curva caracter&#237;stica</strong> que define la protecci&#243;n del magnetot&#233;rmico es similar a la de un fusible cuando la corriente aumenta progresivamente, pero presenta un <strong>disparo abrupto</strong> al superarse un determinado valor de corriente. </p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!8Ucq!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F24360670-5ae1-457e-a515-19c0fe9eda1e_491x390.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!8Ucq!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F24360670-5ae1-457e-a515-19c0fe9eda1e_491x390.png 424w, /__u/substackcdn.com/image/fetch/$s_!8Ucq!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F24360670-5ae1-457e-a515-19c0fe9eda1e_491x390.png 848w, /__u/substackcdn.com/image/fetch/$s_!8Ucq!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F24360670-5ae1-457e-a515-19c0fe9eda1e_491x390.png 1272w, /__u/substackcdn.com/image/fetch/$s_!8Ucq!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F24360670-5ae1-457e-a515-19c0fe9eda1e_491x390.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!8Ucq!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F24360670-5ae1-457e-a515-19c0fe9eda1e_491x390.png" width="491" height="390" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/24360670-5ae1-457e-a515-19c0fe9eda1e_491x390.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:390,&quot;width&quot;:491,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:35247,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/184957395?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F24360670-5ae1-457e-a515-19c0fe9eda1e_491x390.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="/__u/substackcdn.com/image/fetch/$s_!8Ucq!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F24360670-5ae1-457e-a515-19c0fe9eda1e_491x390.png 424w, /__u/substackcdn.com/image/fetch/$s_!8Ucq!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F24360670-5ae1-457e-a515-19c0fe9eda1e_491x390.png 848w, /__u/substackcdn.com/image/fetch/$s_!8Ucq!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F24360670-5ae1-457e-a515-19c0fe9eda1e_491x390.png 1272w, /__u/substackcdn.com/image/fetch/$s_!8Ucq!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F24360670-5ae1-457e-a515-19c0fe9eda1e_491x390.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Tal y c&#243;mo ya explicamos en la <a href="/__u/solarletter.substack.com/i/144851302/el-consejillo-de-la-edicion">Solarletter #17</a>, la curva de la protecci&#243;n debe estar a la izquierda de la curva del cable o el circuito que se quiera proteger, lo que significar&#237;a, que a medida que aumente la corriente, la protecci&#243;n siempre saltar&#225; antes de que la sobrecorriente afecte al cable o al circuito.</p><p>La existencia de distintas curvas permite una mayor <strong>adaptaci&#243;n y flexibilidad en el dise&#241;o</strong> de las instalaciones el&#233;ctricas, dependiendo de las caracter&#237;sticas del circuito a proteger:</p><ul><li><p><strong>Tipo B</strong>: Dispara entre <strong>3 y 5 veces</strong> la corriente nominal. Se utiliza en <strong>instalaciones dom&#233;sticas</strong> y circuitos con cargas resistivas o poco inductivas, como iluminaci&#243;n y tomas de uso general.</p></li><li><p><strong>Tipo C</strong>: Dispara entre <strong>5 y 10 veces</strong> la corriente nominal. Es el m&#225;s com&#250;n en <strong>instalaciones industriales ligeras y comerciales</strong>, adecuado para cargas con corrientes de arranque moderadas como motores peque&#241;os.</p></li><li><p><strong>Tipo D</strong>: Dispara entre <strong>10 y 20 veces</strong> la corriente nominal. Se emplea en <strong>instalaciones industriales</strong> <strong>con equipos que presentan altos picos de arranque</strong>, como motores grandes, transformadores o maquinaria pesada.</p></li></ul><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!KBxh!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd5e8c4a-fdb8-439c-a089-2bf5616dcfc2_1000x571.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!KBxh!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd5e8c4a-fdb8-439c-a089-2bf5616dcfc2_1000x571.png 424w, /__u/substackcdn.com/image/fetch/$s_!KBxh!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd5e8c4a-fdb8-439c-a089-2bf5616dcfc2_1000x571.png 848w, /__u/substackcdn.com/image/fetch/$s_!KBxh!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd5e8c4a-fdb8-439c-a089-2bf5616dcfc2_1000x571.png 1272w, /__u/substackcdn.com/image/fetch/$s_!KBxh!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd5e8c4a-fdb8-439c-a089-2bf5616dcfc2_1000x571.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!KBxh!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd5e8c4a-fdb8-439c-a089-2bf5616dcfc2_1000x571.png" width="1000" height="571" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/dd5e8c4a-fdb8-439c-a089-2bf5616dcfc2_1000x571.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:571,&quot;width&quot;:1000,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;What's the difference between type B, C &amp; D MCBs?&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="What's the difference between type B, C &amp; D MCBs?" title="What's the difference between type B, C &amp; D MCBs?" srcset="/__u/substackcdn.com/image/fetch/$s_!KBxh!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd5e8c4a-fdb8-439c-a089-2bf5616dcfc2_1000x571.png 424w, /__u/substackcdn.com/image/fetch/$s_!KBxh!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd5e8c4a-fdb8-439c-a089-2bf5616dcfc2_1000x571.png 848w, /__u/substackcdn.com/image/fetch/$s_!KBxh!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd5e8c4a-fdb8-439c-a089-2bf5616dcfc2_1000x571.png 1272w, /__u/substackcdn.com/image/fetch/$s_!KBxh!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdd5e8c4a-fdb8-439c-a089-2bf5616dcfc2_1000x571.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a><figcaption class="image-caption">Imagen de <a href="https://www.dscontrolsystems.co.uk/post/the-difference-between-type-b-c-d-mcbs">D&amp;S Control Systems</a></figcaption></figure></div><p>La <strong>condici&#243;n normativa que debe cumplirse para seleccionar la corriente nominal In&#8203; de un magnetot&#233;rmico</strong> es la siguiente:</p><div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!EGzX!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd79be526-2b4f-4d7d-8f25-e271eff84548_122x37.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!EGzX!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd79be526-2b4f-4d7d-8f25-e271eff84548_122x37.png 424w, /__u/substackcdn.com/image/fetch/$s_!EGzX!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd79be526-2b4f-4d7d-8f25-e271eff84548_122x37.png 848w, /__u/substackcdn.com/image/fetch/$s_!EGzX!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd79be526-2b4f-4d7d-8f25-e271eff84548_122x37.png 1272w, /__u/substackcdn.com/image/fetch/$s_!EGzX!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd79be526-2b4f-4d7d-8f25-e271eff84548_122x37.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!EGzX!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd79be526-2b4f-4d7d-8f25-e271eff84548_122x37.png" width="122" height="37" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/d79be526-2b4f-4d7d-8f25-e271eff84548_122x37.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:37,&quot;width&quot;:122,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:1569,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/184957395?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd79be526-2b4f-4d7d-8f25-e271eff84548_122x37.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="/__u/substackcdn.com/image/fetch/$s_!EGzX!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd79be526-2b4f-4d7d-8f25-e271eff84548_122x37.png 424w, /__u/substackcdn.com/image/fetch/$s_!EGzX!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd79be526-2b4f-4d7d-8f25-e271eff84548_122x37.png 848w, /__u/substackcdn.com/image/fetch/$s_!EGzX!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd79be526-2b4f-4d7d-8f25-e271eff84548_122x37.png 1272w, /__u/substackcdn.com/image/fetch/$s_!EGzX!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd79be526-2b4f-4d7d-8f25-e271eff84548_122x37.png 1456w" sizes="100vw" loading="lazy"></picture><div></div></div></a></figure></div><p>donde:</p><ul><li><p><strong>Ib&#8203;&#8203;</strong> es la <strong>corriente de dise&#241;o o de utilizaci&#243;n</strong> del circuito.</p></li><li><p><strong>In&#8203;</strong> es la <strong>corriente nominal del magnetot&#233;rmico</strong>.</p></li><li><p><strong>Iz&#8203;</strong> es la <strong>corriente m&#225;xima admisible del conductor</strong>.</p></li></ul><p>A&#250;n y todo, la selecci&#243;n de un magnetot&#233;rmico no solo se basa en su curva y corriente nominal, tambi&#233;n habr&#237;a que tener en cuenta otros par&#225;metros del sistema c&#243;mo la tensi&#243;n de operaci&#243;n, el n&#250;mero de polos, la corriente de cortocircuito, etc..</p><div><hr></div><p>Hasta aqu&#237; la edici&#243;n. Espero que os haya gustado y amenizado el caf&#233;, el viaje en transporte p&#250;blico o inicio de la siesta. <strong>Cualquier sugerencia, recomendaci&#243;n o comentario pod&#233;is responder a este mismo correo</strong>.</p><p>Si te ha gustado, ay&#250;dame a darle un segundo empuj&#243;n <strong>compartiendolo en tus redes sociales, con tus amigos o compa&#241;eros de trabajo</strong>. Y si no te ha gustado, te pido disculpas, pero no se aceptan devoluciones.</p><div class="captioned-button-wrap" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-31_es-solar-power-eu?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="CaptionedButtonToDOM"><div class="preamble"><p class="cta-caption">Thank you for reading Solarletter. This post is public so feel free to share it.</p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-31_es-solar-power-eu?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-31_es-solar-power-eu?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/subscribe"><span>Subscribe now</span></a></p><p>&#161;Saludos solares!</p>]]></content:encoded></item><item><title><![CDATA[Solarletter #30 - Neustadt II, The Return of the PV]]></title><description><![CDATA[Neustadt an der Weinstra&#223;e II: Repowering one of Germany&#8217;s early PV flagships (2003 &#8594; 2025)]]></description><link>https://solarletter.substack.com/p/solarletter-30_en-neustadt-ii-the</link><guid isPermaLink="false">https://solarletter.substack.com/p/solarletter-30_en-neustadt-ii-the</guid><dc:creator><![CDATA[Imanol Matanza Medina]]></dc:creator><pubDate>Fri, 19 Dec 2025 10:02:32 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!Qbzr!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcd663adb-4c5d-4c1a-98cf-fca8547f29dd_1400x934.jpeg" length="0" type="image/jpeg"/><content:encoded><![CDATA[<p>Hello everyone and welcome back to Solarletter. My name is Imanol Matanza, and I aim to share with you the <strong>latest news, technological advancements, and trends in the field of photovoltaic energy</strong>. Through Solarletter, I hope to provide you with <strong>valuable information, market analysis, state-of-the-art updates, and practical tips</strong> that will help you stay informed about the latest developments in the photovoltaic industry.</p><p>This edition introduces a new Solarletter format: short, informal conversations with people working in the PV market, so that you not only read &#8220;<em>my perspective&#8221;</em> on the sector, but also hear directly from those who build and operate projects across Germany and Europe.</p><p>Today&#8217;s guest is <strong>Jan Schuka</strong>, Project Manager B2B at <strong><a href="https://www.pfalzwerke.de/unternehmen/geschaeftskunden">PFALZWERKE AKTIENGESELLSCHAFT</a></strong>, who is currently involved in the <strong>repowering of the PV park in Neustadt an der Weinstra&#223;e</strong>. A solar park that was built in 2003 as a pioneering <strong>2 MWp</strong> project and is now being upgraded to nearly <strong>4.5 MWp</strong>.</p><p>If you don&#8217;t want to miss future editions, click the link below to subscribe:</p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/subscribe"><span>Subscribe now</span></a></p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-30_en-neustadt-ii-the?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-30_en-neustadt-ii-the?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p><div><hr></div><h3>Who is Jan?</h3><p><strong>Q: Who are you, Jan, and how did you enter the solar industry?</strong><br><strong>Jan:</strong> I have been working in the PV industry since 2015. I studied Environmental and Natural Sciences in Freiburg. After graduating, I had the opportunity to do an internship in the PV sector and was eventually offered a permanent position. My first company was a supplier and installation company for mounting structures and the construction of utility-scale PV plants, so I gained a lot of technical knowledge and built strong connections with EPCs. Later, I worked in project development for ground-mounted projects before joining Pfalzsolar (now <a href="https://www.pfalzwerke.de/unternehmen/geschaeftskunden">Pfalzwerke</a>) as a Project Manager in 2020.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!Qbzr!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcd663adb-4c5d-4c1a-98cf-fca8547f29dd_1400x934.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!Qbzr!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcd663adb-4c5d-4c1a-98cf-fca8547f29dd_1400x934.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!Qbzr!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcd663adb-4c5d-4c1a-98cf-fca8547f29dd_1400x934.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!Qbzr!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcd663adb-4c5d-4c1a-98cf-fca8547f29dd_1400x934.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!Qbzr!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcd663adb-4c5d-4c1a-98cf-fca8547f29dd_1400x934.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!Qbzr!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcd663adb-4c5d-4c1a-98cf-fca8547f29dd_1400x934.jpeg" width="652" height="434.97714285714284" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/cd663adb-4c5d-4c1a-98cf-fca8547f29dd_1400x934.jpeg&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:934,&quot;width&quot;:1400,&quot;resizeWidth&quot;:652,&quot;bytes&quot;:175622,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/jpeg&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/181808755?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcd663adb-4c5d-4c1a-98cf-fca8547f29dd_1400x934.jpeg&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="/__u/substackcdn.com/image/fetch/$s_!Qbzr!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcd663adb-4c5d-4c1a-98cf-fca8547f29dd_1400x934.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!Qbzr!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcd663adb-4c5d-4c1a-98cf-fca8547f29dd_1400x934.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!Qbzr!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcd663adb-4c5d-4c1a-98cf-fca8547f29dd_1400x934.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!Qbzr!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcd663adb-4c5d-4c1a-98cf-fca8547f29dd_1400x934.jpeg 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a><figcaption class="image-caption">Source: Pfalzwerke AG</figcaption></figure></div><p><strong>Q: Where did you work before &#8212; wind, batteries, or &#8220;PV only&#8221;?</strong><br><strong>Jan:</strong> My bachelor&#8217;s thesis actually focused on wind energy (evaluating potential wind sites and location factors). Wind was not my original plan, but solar came into my life during the internship, and I stayed.</p><div><hr></div><h3>Neustadt: the original project (Neustadt I)</h3><p><strong>Q: Where is the project located?</strong><br><strong>Jan:</strong> Neustadt an der Weinstra&#223;e, Rhineland-Palatinate, southwest Germany.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!lB3S!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F15a054c0-1d36-444e-b7a7-4cc808b1d072_640x640.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!lB3S!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F15a054c0-1d36-444e-b7a7-4cc808b1d072_640x640.png 424w, /__u/substackcdn.com/image/fetch/$s_!lB3S!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F15a054c0-1d36-444e-b7a7-4cc808b1d072_640x640.png 848w, /__u/substackcdn.com/image/fetch/$s_!lB3S!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F15a054c0-1d36-444e-b7a7-4cc808b1d072_640x640.png 1272w, /__u/substackcdn.com/image/fetch/$s_!lB3S!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F15a054c0-1d36-444e-b7a7-4cc808b1d072_640x640.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!lB3S!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F15a054c0-1d36-444e-b7a7-4cc808b1d072_640x640.png" width="470" height="470" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/15a054c0-1d36-444e-b7a7-4cc808b1d072_640x640.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:640,&quot;width&quot;:640,&quot;resizeWidth&quot;:470,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;StepMap - Karte Neustadt an der Weinstra&#223;e - Landkarte f&#252;r Deutschland&quot;,&quot;title&quot;:&quot;StepMap - Karte Neustadt an der Weinstra&#223;e - Landkarte f&#252;r Deutschland&quot;,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="StepMap - Karte Neustadt an der Weinstra&#223;e - Landkarte f&#252;r Deutschland" title="StepMap - Karte Neustadt an der Weinstra&#223;e - Landkarte f&#252;r Deutschland" srcset="/__u/substackcdn.com/image/fetch/$s_!lB3S!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F15a054c0-1d36-444e-b7a7-4cc808b1d072_640x640.png 424w, /__u/substackcdn.com/image/fetch/$s_!lB3S!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F15a054c0-1d36-444e-b7a7-4cc808b1d072_640x640.png 848w, /__u/substackcdn.com/image/fetch/$s_!lB3S!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F15a054c0-1d36-444e-b7a7-4cc808b1d072_640x640.png 1272w, /__u/substackcdn.com/image/fetch/$s_!lB3S!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F15a054c0-1d36-444e-b7a7-4cc808b1d072_640x640.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p><strong>Q: When was it originally commissioned, and how large was it?</strong><br><strong>Jan:</strong> The original PV park was commissioned in <strong>2003 </strong>with a capacity of <strong>2 MWp</strong>. At that time, it was one of the largest PV projects in Germany during the early EEG <em>feed-in tariff</em> era and one of the first large-scale systems to receive EEG support.</p><p><strong>Q: Who built the PV park? Who supplied the modules?</strong><br><strong>Jan:</strong> The solar park was <strong>constructed turnkey by Pfalzsolar GmbH</strong> (now Pfalzwerke). Pfalzsolar was responsible for the delivery, installation, and commissioning of the entire PV system and also committed to taking back the plant after 20 years.<br>The modules used were, to our knowledge, supplied by <strong>RWE SCHOTT Solar GmbH</strong>. High-quality modules with a guaranteed performance period of over 25 years were installed.</p><p><strong>Q: Who owned the plant and how was it structured?</strong><br><strong>Jan:</strong> The plant was divided into <strong>seven equal sections</strong>. Each section had a <strong>capacity of around 287 kWp and was mounted on gabions</strong> to avoid additional soil sealing. Citizens could participate through a limited partnership starting from an investment of <strong>&#8364;5,000</strong>, a classic form of <strong>citizen participation</strong> in Germany (<em>B&#252;rgerbeteiligung</em>). Pfalzsolar as the EPC and <a href="https://www.swneustadt.de/">Stadtwerke Neustadt</a> each also held shares in the plant.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!o27m!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6a7c31f-fae1-413b-a657-1c414584370f_1400x1048.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!o27m!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6a7c31f-fae1-413b-a657-1c414584370f_1400x1048.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!o27m!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6a7c31f-fae1-413b-a657-1c414584370f_1400x1048.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!o27m!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6a7c31f-fae1-413b-a657-1c414584370f_1400x1048.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!o27m!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6a7c31f-fae1-413b-a657-1c414584370f_1400x1048.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!o27m!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6a7c31f-fae1-413b-a657-1c414584370f_1400x1048.jpeg" width="1400" height="1048" 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6a7c31f-fae1-413b-a657-1c414584370f_1400x1048.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!o27m!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6a7c31f-fae1-413b-a657-1c414584370f_1400x1048.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!o27m!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6a7c31f-fae1-413b-a657-1c414584370f_1400x1048.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!o27m!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6a7c31f-fae1-413b-a657-1c414584370f_1400x1048.jpeg 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a><figcaption class="image-caption">Source: Pfalzwerke AG</figcaption></figure></div><div><hr></div><h3>Neustadt II: Why repowering, what changes, and what remains?</h3><p><strong>Q: Why repower now?</strong><br><strong>Jan:</strong> The Neustadt project is part of a broader <strong>strategy by Pfalzwerke</strong> to systematically <strong>upgrade existing ground-mounted PV plants</strong> that are reaching the end of their EEG funding period. This strategy addresses several requirements: modern, efficient technology improves economic performance, and by using existing infrastructure, land consumption remains limited. This allows the energy transition to be accelerated at municipal, state, and federal levels without additional resource use.</p><p>I<strong>n Neustadt, the EEG </strong><em><strong>feed-in tariff</strong></em><strong> expired at the end of 2024</strong>. In 2025, the PV park sold electricity directly on the spot market. <strong>Repowering began in October 2025</strong>, with completion planned for March 2026, in time to capture the 2026 summer production.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!L1Fi!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7c10da71-0a1d-4016-979a-4e9bf971d667_1400x933.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!L1Fi!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7c10da71-0a1d-4016-979a-4e9bf971d667_1400x933.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!L1Fi!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7c10da71-0a1d-4016-979a-4e9bf971d667_1400x933.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!L1Fi!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7c10da71-0a1d-4016-979a-4e9bf971d667_1400x933.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!L1Fi!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7c10da71-0a1d-4016-979a-4e9bf971d667_1400x933.jpeg 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a><figcaption class="image-caption">Source: Pfalzwerke AG</figcaption></figure></div><p><strong>Q: How large will Neustadt II be?</strong><br><strong>Jan:</strong> Instead of <strong>2 MWp</strong>, the new plant will produce around <strong>4.5 MWp</strong>, supplying electricity for approximately <strong>2,000 households</strong>.</p><p><strong>Q: Why does capacity double even though the site does not get bigger?</strong><br><strong>Jan:</strong> Repowering is not purely a technical project, it requires deep expertise in land use, permitting, regulation, construction, technology, and operation. At Pfalzwerke, we bring this expertise together and develop tailored repowering solutions for each project.</p><p>In Neustadt, we maximised the site&#8217;s potential through:</p><ol><li><p><strong>Layout optimisation:</strong> The old layout consisted of small &#8220;tables&#8221; (around <strong>12 modules per table</strong> arranged 3&#215;4). We now build continuous rows, close gaps, and reduce &#8220;table jumps,&#8221; allowing more modules to be installed.</p></li><li><p><strong>Improved module efficiency:</strong> The old modules were already strong for their time (<strong>295 Wp</strong>). The new modules reach up to <strong>595 Wp</strong>. Efficiency gains over the past 20 years make the major difference.</p></li></ol><p><strong>Q: Are you reusing the old mounting system?</strong><br><strong>Jan:</strong> We keep the <strong>basic substructure and ballast positions</strong>, but they must be adapted to new module sizes and clamping points.</p><p><strong>Q: Are old cables and infrastructure being reused?</strong><br><strong>Jan:</strong> No, much of it is rebuilt. The original plant used a <strong>central inverter</strong> system. We are now switching to a <strong>string inverter</strong> concept, which significantly changes the electrical design. Cable routes and trenches are newly constructed; often, work must be carried out twice (opening old trenches, removing components, then rebuilding).</p><p><strong>Q: What happens to the transformer station?</strong><br><strong>Jan:</strong> The old transformer building and transformer were dismantled. The old building would no longer meet today&#8217;s certification requirements. In addition, the higher DC capacity requires a more powerful transformer. In this case, rebuilding everything ( new low-voltage distribution, new transformer, new building) is the most sensible solution.</p><p><strong>Q: Will Neustadt II receive a new EEG feed-in tariff?</strong><br><strong>Jan:</strong> The plan is <strong>direct marketing</strong>. We are currently reviewing whether there might be a pathway back into EEG mechanisms.</p><p><strong>Q: Who owns Neustadt II now?</strong><br><strong>Jan:</strong> Pfalzwerke and Stadtwerke Neustadt operate the park through a joint project company. Together, they are advancing the repowering project in a cooperative and economically viable way. In addition, the local economic development company is involved as the landowner and lessor.</p><div><hr></div><h3>Market reality: PV today and why hybridisation &amp; storage matter</h3><p><strong>Q: How do you see the current PV market situation in Europe and Germany?</strong><br><strong>Jan:</strong> In many countries, conditions are becoming increasingly challenging. There are still viable business cases, but the framework conditions are tighter. The reasons include:</p><ul><li><p><strong>Capital has become more expensive</strong> (higher interest rates, higher financing costs)</p></li><li><p><strong>Risk appetite has declined</strong> (even large players report losses; risk management has become stricter)</p></li><li><p>In Germany, <strong>political uncertainty</strong> undermines confidence</p></li><li><p><strong>Grid connections are a major bottleneck</strong>: projects are delayed because grid capacity is unavailable at the time of implementation</p></li></ul><p>So overall, the environment is harder than the exponential growth we experienced in the last 5-6 years.</p><p><strong>Q: How do you address these new market challenges?</strong><br><strong>Jan:</strong> When grid connections are limited, one approach is to use an existing <strong>grid connection point</strong> (for example from a wind farm) and <strong>hybridise it with PV</strong>, since wind and PV do not always peak at the same time. This improves utilisation and saves grid infrastructure.</p><p><strong>Q: Where do you see battery storage heading?</strong><br><strong>Jan:</strong> PV technology is already very mature and offers limited scope for major improvements. Battery storage, however, is developing rapidly, major advances in capacity, technology, and pricing have occurred in the last two to three years. The <strong>biggest challenge will be regulation and grid access</strong>.</p><blockquote><p><em>(Solarletter note: This aligns with many observations, battery storage is increasingly becoming a &#8220;system enabler&#8221; rather than just an optional add-on.)</em></p></blockquote><div><hr></div><h3>A few &#8220;fun&#8221; questions</h3><p><strong>Q: Where were you when Neustadt I was commissioned in 2003?</strong><br><strong>Jan:</strong> I was <strong>13 years old</strong>, at school, probably on the football pitch and definitely not thinking about solar energy.</p><p><strong>Q: Do you think you&#8217;ll still be working in the PV industry when Neustadt II comes to an end and might there be a &#8220;Neustadt III&#8221;?</strong><br><strong>Jan:</strong> I hope so. There&#8217;s always something happening in the solar industry, ups and downs, but also exciting projects and new topics like battery storage or hybrid parks. I can imagine that there will still be plenty to do over the next 20 years and that I&#8217;ll remain somewhere in the industry. And who knows, maybe in 20 years I&#8217;ll look at the park again and think, &#8220;<em>ouh men, here we go again.</em>&#8221; Let&#8217;s see what &#8220;Neustadt III&#8221; could achieve, maybe 10 MWp, maybe with battery storage&#8230;</p><div><hr></div><h3>The question everyone asks: Is repowering cheaper than a new build?</h3><p><strong>Q: Is repowering cheaper than building a new ground-mounted PV plant?</strong><br><strong>Jan:</strong> Not necessarily. Repowering can make economic sense, but it&#8217;s not automatic. Even when existing structures like mounting systems can be reused, additional steps and costs arise, such as:</p><ul><li><p><strong>Dismantling the old plant</strong></p></li><li><p><strong>Disposal and recycling</strong> of components</p></li><li><p><strong>Removal of old cables</strong> from the trenches and then placing new ones</p></li><li><p><strong>Replacing major equipment</strong> to meet today&#8217;s norms and certification</p></li></ul><p>Each project requires an individual assessment and cost calculation.</p><div id="youtube2-0iB-ucSaNQk" class="youtube-wrap" data-attrs="{&quot;videoId&quot;:&quot;0iB-ucSaNQk&quot;,&quot;startTime&quot;:null,&quot;endTime&quot;:null}" data-component-name="Youtube2ToDOM"><div class="youtube-inner"><iframe src="https://www.youtube-nocookie.com/embed/0iB-ucSaNQk?rel=0&amp;autoplay=0&amp;showinfo=0&amp;enablejsapi=0" frameborder="0" loading="lazy" gesture="media" allow="autoplay; fullscreen" allowautoplay="true" allowfullscreen="true" width="728" height="409"></iframe></div></div><div class="pullquote"><p>&#8220;Reuse&#8221; does not automatically mean &#8220;low cost&#8221;. Repowering is essentially a new project with its own challenges. Looking ahead, repowering allows us to economically optimise existing PV plants and future-proof them.</p></div><h3>Some Keynotes of the conversation</h3><ul><li><p><strong>Neustadt is one of the first </strong><em><strong>utility-scale </strong></em><strong>projects reaching the end of it&#180;s lifetime</strong>: the project is still producing, but the EEG <em>feed-in-tariff </em>run out after 20 years.</p></li><li><p><strong>Capacity jump comes mainly from improvement in module efficiency</strong> and a cleaner layout, same site, more output (<strong>2 MWp &#8594; 4,5 MWp</strong>).</p></li><li><p><strong>Repowering is not automatically cheaper</strong>: deconstruction + recycling + redesign can erase much of the savings from reusing parts of the site.</p></li><li><p><strong>Grid and market is re-shaping everything</strong>: hybridisation and storage will keep PV alive, but at which cost?</p></li></ul><div><hr></div><p>That concludes the edition. I hope you enjoyed and it made your coffee break, public transportation ride, or nap more enjoyable. <strong>If you have any suggestions, recommendations, or comments, feel free to reply to this email</strong>.</p><p>If you liked it, help me give it a boost by <strong>sharing it on your social media, with your friends, or coworkers</strong>. And if you did not like it, I apologize, but returns are not accepted.</p><div class="captioned-button-wrap" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-30_en-neustadt-ii-the?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="CaptionedButtonToDOM"><div class="preamble"><p class="cta-caption">Thank you for reading Solarletter. This post is public so feel free to share it.</p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-30_en-neustadt-ii-the?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-30_en-neustadt-ii-the?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Abonnieren jetzt&quot;,&quot;action&quot;:null,&quot;class&quot;:&quot;button-wrapper&quot;}" data-component-name="ButtonCreateButton"><a class="button primary button-wrapper" href="/__u/solarletter.substack.com/subscribe"><span>Abonnieren jetzt</span></a></p><p>Sunny Regards!</p>]]></content:encoded></item><item><title><![CDATA[Solarletter #29_EN - IEA Renewables 2025: Solar PV Remains the Backbone of Global Renewable Growth]]></title><description><![CDATA[Also: SMA Achieves a Milestone in Grid-Forming Battery Inverters, Solar Looks for New Spaces: From Reservoirs in the Basque Country to Canals in California and First Solar Expands manufacturing in U.S]]></description><link>https://solarletter.substack.com/p/solarletter-29_en-iea-renewables</link><guid isPermaLink="false">https://solarletter.substack.com/p/solarletter-29_en-iea-renewables</guid><dc:creator><![CDATA[Imanol Matanza Medina]]></dc:creator><pubDate>Fri, 21 Nov 2025 09:02:10 GMT</pubDate><enclosure url="https://substackcdn.com/image/youtube/w_728,c_limit/FKDuBGMaKpw" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="pullquote"><p>Please note that text below has been translated from the spanish version by using AI</p></div><p>Hello everyone and welcome back to Solarletter. My name is Imanol Matanza, and I aim to share with you the <strong>latest news, technological advancements, and trends in the field of photovoltaic energy</strong>. Through Solarletter, I hope to provide you with <strong>valuable information, market analysis, state-of-the-art updates, and practical tips</strong> that will help you stay informed about the latest developments in the photovoltaic industry.</p><p>Before we begin this edition, some important news: in <strong>the next Solarletter, I will be publishing a new feature, Solarletter&#8217;s first interview</strong>, with none other than <a href="https://www.linkedin.com/in/jan-schuka-87b340217/">Jan Schuka</a>, Project Manager at <a href="https://www.pfalzwerke.de/privatkunden">Pfalzwerke</a>. We will talk in detail about the <strong>repowering of the Neustadt photovoltaic park</strong>, which in 2003 was the largest in Germany and is now nearing the end of its useful life. A fascinating story about how a pioneering plant is reinventing itself almost two decades later.</p><p>If you don&#8217;t want to miss it, here is the link:</p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/subscribe"><span>Subscribe now</span></a></p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-29_en-iea-renewables?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-29_en-iea-renewables?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p><div id="youtube2-FKDuBGMaKpw" class="youtube-wrap" data-attrs="{&quot;videoId&quot;:&quot;FKDuBGMaKpw&quot;,&quot;startTime&quot;:null,&quot;endTime&quot;:null}" data-component-name="Youtube2ToDOM"><div class="youtube-inner"><iframe src="https://www.youtube-nocookie.com/embed/FKDuBGMaKpw?rel=0&amp;autoplay=0&amp;showinfo=0&amp;enablejsapi=0" frameborder="0" loading="lazy" gesture="media" allow="autoplay; fullscreen" allowautoplay="true" allowfullscreen="true" width="728" height="409"></iframe></div></div><p>I am always open to suggestions, questions, and comments, so please feel free to contact me. If you like it, don't hesitate to subscribe and share!</p><p>Alright, let us go with a couple of interesting pieces of news!</p><div><hr></div><h4><strong>IEA Renewables 2025: Solar PV Remains the Backbone of Global Renewable Growth</strong></h4><p>The <a href="https://www.iea.org/">International Energy Agency</a> (IEA) has released its new <em><a href="http://chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/https://iea.blob.core.windows.net/assets/76ad6eac-2aa6-4c55-9a55-b8dc0dba9f9e/Renewables2025.pdf">Renewables 2025</a></em> report. Here is a summary:</p><p>Once again, the conclusion is clear &#8212; s<strong>olar photovoltaic (PV) continues to be the undisputed leader of the global energy system</strong>. It is expected to account for nearly 80% of the total increase in global renewable electricity capacity, maintaining its dominant share from 2024 onward.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!q6iA!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F58c725c2-4491-49cf-ad56-05b07c55e383_1002x699.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!q6iA!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F58c725c2-4491-49cf-ad56-05b07c55e383_1002x699.png 424w, 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/__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F58c725c2-4491-49cf-ad56-05b07c55e383_1002x699.png 1272w, /__u/substackcdn.com/image/fetch/$s_!q6iA!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F58c725c2-4491-49cf-ad56-05b07c55e383_1002x699.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>However, progress is not without turbulence: grid integration, supply chain tensions, price declines, regulatory constraints, and the shift toward more competitive auction models have all significantly changed the outlook compared to last year&#8217;s report. Even so, according to the IEA:</p><div class="pullquote"><p>Global renewable capacity is expected to increase by 4,600 GW, meaning the world will double its renewable capacity by 2030 &#8212; and almost all of it will be solar.</p></div><p>This is equivalent to adding the combined electrical capacity of China, the European Union, and Japan.</p><ul><li><p>PV will account for nearly 80% of global renewable growth.</p></li><li><p>Annual deployments will exceed 400&#8211;500 GW from now on.</p></li><li><p>In most countries, solar growth between 2025 and 2030 will outpace that of the past five years.</p></li></ul><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!WIYD!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0e6c2c0f-d410-42f0-a7c3-e74e81d674ee_1000x532.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!WIYD!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0e6c2c0f-d410-42f0-a7c3-e74e81d674ee_1000x532.png 424w, /__u/substackcdn.com/image/fetch/$s_!WIYD!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0e6c2c0f-d410-42f0-a7c3-e74e81d674ee_1000x532.png 848w, /__u/substackcdn.com/image/fetch/$s_!WIYD!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0e6c2c0f-d410-42f0-a7c3-e74e81d674ee_1000x532.png 1272w, /__u/substackcdn.com/image/fetch/$s_!WIYD!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0e6c2c0f-d410-42f0-a7c3-e74e81d674ee_1000x532.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!WIYD!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0e6c2c0f-d410-42f0-a7c3-e74e81d674ee_1000x532.png" width="1000" height="532" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/0e6c2c0f-d410-42f0-a7c3-e74e81d674ee_1000x532.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:532,&quot;width&quot;:1000,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:53886,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/179385683?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0e6c2c0f-d410-42f0-a7c3-e74e81d674ee_1000x532.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" title="" srcset="/__u/substackcdn.com/image/fetch/$s_!WIYD!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0e6c2c0f-d410-42f0-a7c3-e74e81d674ee_1000x532.png 424w, /__u/substackcdn.com/image/fetch/$s_!WIYD!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0e6c2c0f-d410-42f0-a7c3-e74e81d674ee_1000x532.png 848w, /__u/substackcdn.com/image/fetch/$s_!WIYD!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0e6c2c0f-d410-42f0-a7c3-e74e81d674ee_1000x532.png 1272w, /__u/substackcdn.com/image/fetch/$s_!WIYD!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0e6c2c0f-d410-42f0-a7c3-e74e81d674ee_1000x532.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>The main reasons for solar&#8217;s central role are its low and continuously falling costs, simpler <em>permitting </em>compared to other technologies, and stronger social acceptance.</p><p>The report estimates that <strong>more than 750 GW of renewables</strong> will be installed in 2025, <strong>or even 840 GW</strong> in the accelerated scenario. Once again, s<strong>olar leads the way, contributing almost 80%</strong> of new additions and maintaining its 2024 leadership. While utility-scale additions remain stable compared to 2024, distributed generation (residential and commercial) is accelerating, driven by electrification and the pursuit of energy independence by consumers.</p><p>As expected, China continues to set the pace. The IEA notes that Chinese solar installations reached an unprecedented peak in May 2025, just before a regulatory change that replaced long-term fixed tariffs with auctions. In that single month, <strong>China added 93 GWac</strong> &#8212; twelve times more than the previous year.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!CPND!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd4c9f4d9-094d-4e6d-a9b7-285daf933b0f_669x365.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!CPND!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd4c9f4d9-094d-4e6d-a9b7-285daf933b0f_669x365.png 424w, /__u/substackcdn.com/image/fetch/$s_!CPND!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd4c9f4d9-094d-4e6d-a9b7-285daf933b0f_669x365.png 848w, /__u/substackcdn.com/image/fetch/$s_!CPND!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd4c9f4d9-094d-4e6d-a9b7-285daf933b0f_669x365.png 1272w, /__u/substackcdn.com/image/fetch/$s_!CPND!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd4c9f4d9-094d-4e6d-a9b7-285daf933b0f_669x365.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!CPND!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd4c9f4d9-094d-4e6d-a9b7-285daf933b0f_669x365.png" width="669" height="365" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/d4c9f4d9-094d-4e6d-a9b7-285daf933b0f_669x365.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:365,&quot;width&quot;:669,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:67090,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/179385683?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd4c9f4d9-094d-4e6d-a9b7-285daf933b0f_669x365.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" title="" srcset="/__u/substackcdn.com/image/fetch/$s_!CPND!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd4c9f4d9-094d-4e6d-a9b7-285daf933b0f_669x365.png 424w, /__u/substackcdn.com/image/fetch/$s_!CPND!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd4c9f4d9-094d-4e6d-a9b7-285daf933b0f_669x365.png 848w, /__u/substackcdn.com/image/fetch/$s_!CPND!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd4c9f4d9-094d-4e6d-a9b7-285daf933b0f_669x365.png 1272w, /__u/substackcdn.com/image/fetch/$s_!CPND!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd4c9f4d9-094d-4e6d-a9b7-285daf933b0f_669x365.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Yet, not all news is positive. The <strong>IEA has downgraded its renewable projections by 248 GW through 2030</strong>, with solar PV being the most affected. The report reduces overall renewable growth by 5% compared to <em><a href="http://chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/https://iea.blob.core.windows.net/assets/17033b62-07a5-4144-8dd0-651cdb6caa24/Renewables2024.pdf">Renewables 2024</a></em>, a topic also discussed at <a href="/__u/open.substack.com/pub/solarletter/p/solarletter-28_en-special-edition?r=1tk2u9&amp;utm_campaign=post&amp;utm_medium=web&amp;showWelcomeOnShare=false">CITE 2025</a>.</p><p>Solar PV bears the brunt of this adjustment, representing <strong>more than 70% of the global downward revision</strong>. The reduction is concentrated in <em>utility-scale</em> projects, especially in the <strong>United States and China</strong>. <strong>In the U.S. alone</strong>, the IEA cuts solar deployment forecasts by <strong>nearly 40%</strong>.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!jf0y!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F56a3d607-2c45-4450-bfce-cf241a0109d3_672x394.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!jf0y!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, 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/__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F56a3d607-2c45-4450-bfce-cf241a0109d3_672x394.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!jf0y!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F56a3d607-2c45-4450-bfce-cf241a0109d3_672x394.png" width="672" height="394" 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F56a3d607-2c45-4450-bfce-cf241a0109d3_672x394.png 424w, /__u/substackcdn.com/image/fetch/$s_!jf0y!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F56a3d607-2c45-4450-bfce-cf241a0109d3_672x394.png 848w, /__u/substackcdn.com/image/fetch/$s_!jf0y!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F56a3d607-2c45-4450-bfce-cf241a0109d3_672x394.png 1272w, /__u/substackcdn.com/image/fetch/$s_!jf0y!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F56a3d607-2c45-4450-bfce-cf241a0109d3_672x394.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>The report reiterates one of the sector&#8217;s major challenges: <strong>grid expansion is not keeping pace with solar deployment</strong>. Moreover, solar is set to become the world&#8217;s <strong>second-largest source of electricity by 2027</strong> &#8212; and the first in many countries before 2030.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!pGCy!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ff77b92-a1f6-46c5-9613-836d96740c56_668x670.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!pGCy!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ff77b92-a1f6-46c5-9613-836d96740c56_668x670.png 424w, 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Global module manufacturing capacity is now almost twice the annual installed capacity, as <strong>production has quadrupled since 2021</strong>, far outpacing installation growth.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!q28I!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc03a337b-6e17-4cd5-a203-0d3e2687f32f_667x377.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!q28I!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc03a337b-6e17-4cd5-a203-0d3e2687f32f_667x377.png 424w, 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8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>As a result, module prices are at record lows. The IEA also anticipates a <strong>slowdown in new factory construction between 2025 and 2030</strong>, <strong>with China maintaining a 75&#8211;95% share of global production by 2030</strong>.</p><p>On the market side, negative prices continue to increase, typically occurring between 11:00 and 15:00, coinciding with peak solar generation and low demand.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!N2z4!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3403d464-8ddd-4070-ab04-293ee1570d4e_536x767.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!N2z4!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3403d464-8ddd-4070-ab04-293ee1570d4e_536x767.png 424w, /__u/substackcdn.com/image/fetch/$s_!N2z4!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3403d464-8ddd-4070-ab04-293ee1570d4e_536x767.png 848w, /__u/substackcdn.com/image/fetch/$s_!N2z4!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3403d464-8ddd-4070-ab04-293ee1570d4e_536x767.png 1272w, /__u/substackcdn.com/image/fetch/$s_!N2z4!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3403d464-8ddd-4070-ab04-293ee1570d4e_536x767.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!N2z4!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3403d464-8ddd-4070-ab04-293ee1570d4e_536x767.png" width="536" height="767" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/3403d464-8ddd-4070-ab04-293ee1570d4e_536x767.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:767,&quot;width&quot;:536,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:97211,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/179385683?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3403d464-8ddd-4070-ab04-293ee1570d4e_536x767.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" title="" srcset="/__u/substackcdn.com/image/fetch/$s_!N2z4!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3403d464-8ddd-4070-ab04-293ee1570d4e_536x767.png 424w, /__u/substackcdn.com/image/fetch/$s_!N2z4!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3403d464-8ddd-4070-ab04-293ee1570d4e_536x767.png 848w, /__u/substackcdn.com/image/fetch/$s_!N2z4!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3403d464-8ddd-4070-ab04-293ee1570d4e_536x767.png 1272w, /__u/substackcdn.com/image/fetch/$s_!N2z4!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3403d464-8ddd-4070-ab04-293ee1570d4e_536x767.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>To sustain this momentum, the IEA stresses that significant grid and storage expansion will be essential.</p><div class="pullquote"><p>Solar photovoltaic energy is already the driving force of the new global energy system.</p></div><h4>_</h4><h4><strong>SMA Solar Technology Achieves a Milestone in </strong><em><strong>Grid-Forming </strong></em><strong>Battery Inverters</strong></h4><p>Let us turn to some news from the German market on <a href="https://www.linkedin.com/posts/sma-solar_smas-sunny-central-storage-battery-inverter-activity-7368637513864728576-Bp4P/?utm_source=share&amp;utm_medium=member_ios&amp;rcm=ACoAACRYl3UBmt4av1EIUMbYzMyEz_7ILQZgAag">LinkedIn</a>. The well-known German inverter manufacturer <a href="https://www.sma.de/">SMA Solar Technology</a> has taken a significant step in the field of large-scale energy storage.</p><p>Its battery inverter, the <strong>&#8220;</strong><em><strong>Sunny Central Storage</strong></em><strong>,&#8221; has become the first to receive certification for </strong><em><strong>grid-forming</strong></em><strong> operation</strong>, enabling it to add inertia to the German power system. This milestone was also reported on September 10, 2025 (yes, I know I am a bit late) by <a href="https://www.pv-magazine.com/2025/09/10/sma-secures-german-certificate-for-grid-forming-battery-inverter/">pv magazine</a> journalist <a href="https://www.linkedin.com/in/marian-willuhn-0451b2a8/">Marian Willuhn</a>.</p><p>The certification covers <strong>high and extra-high voltage connections</strong> and is based on the <strong>VDE-AR-N 4120 and VDE-AR-N 4130</strong> standards, which allow the equipment to be used in the instantaneous reserve market scheduled to begin in 2026.</p><p>Why is this relevant for photovoltaics and energy storage? Here are a few key points:</p><ul><li><p>Because this type of inverter allows a battery plant not only to inject energy, but also to <strong>support the grid by providing inertia, stabilisation, and frequency response</strong>, which are essential in grids with high renewable penetration.</p></li></ul><blockquote><p><em>A brief note: this was one of the causes of the blackout in Spain last April.</em></p></blockquote><ul><li><p>Because with the gradual shutdown of fossil-fuel plants in Europe, renewable systems must begin to assume functions traditionally performed by thermal turbines.</p></li><li><p>Because it enhances the <strong>bankability of storage projects</strong>, as certification reduces technical and regulatory uncertainties, a common challenge for developers.</p></li><li><p>Because developers and <em>EPCs </em>can now offer certified <em>grid-forming</em> capacity, which accelerates permitting processes and reduces technical and regulatory risks.</p></li><li><p>Because it opens the door to additional revenue through participation in ancillary service markets, which are expected to become better regulated from 2026 onwards.</p></li></ul><p>In <a href="/__u/solarletter.substack.com/i/168387694/germany-commissions-its-largest-battery">Solarletter #26</a>, we already covered what remains the largest battery system in Germany to date &#8212; a facility capable of responding to grid service requirements within seconds, <strong>providing frequency regulation</strong> and contributing to <strong>system stability</strong>.</p><p>In countries such as Spain, where the regulatory framework for storage is still under development, this international certification becomes a b<strong>enchmark of quality</strong> and a <strong>technical standard</strong> to follow. Storage is no longer an add-on; it is becoming an <strong>essential component of any competitive renewable installation</strong>.</p><h4>_</h4><h4><strong>Solar Looks for New Spaces: From Reservoirs in the Basque Country to Canals in California</strong></h4><p>This month, two Instagram videos caught our attention: one from the <strong>Basque Country</strong>, shared by <a href="https://www.instagram.com/reel/DQBWNEaijrX/?igsh=cmVoaDF6M2lqYW5h">El Diario Vasco</a>, where the Basque Government <strong>has authorised the first floating installations on reservoirs</strong>; and another from California, posted by <a href="https://www.instagram.com/reel/DQ1ePHbDIS8/?igsh=ZWxhcG82bzMwZTI2">energiederzukunft</a>, showing progress on the pioneering <strong>Project Nexus</strong>,<strong> which installs panels directly above irrigation canals</strong>.</p><p>In the Basque Country, floating projects are being introduced under strict conditions: biodiversity protection, water quality monitoring, and restrictions in sensitive areas. Even so, the potential is clear: they do not occupy land, they reduce evaporation, and they achieve higher performance thanks to the natural cooling effect of water. This is an especially attractive solution in regions where available space is limited and every hectare matters.</p><blockquote><p><em>Despite this, the comments below the video appear to be largely negative. Could it be that public acceptance of photovoltaics is beginning to decline? What do you think?</em></p></blockquote><p>Across the Atlantic, in California, the <a href="https://www.tid.org/">Turlock Irrigation District (TID)</a> has just inaugurated the first operational segment of the state&#8217;s canal-top solar system. The objective is ambitious: once again, to generate electricity without occupying agricultural land, reduce maintenance costs, curb evaporation, and measure the cooling effect. The University of California estimates that if this solution were applied across the entire canal network of the state, it could save the equivalent of <strong>290 billion litres of water per year</strong> and generate several gigawatts of solar capacity without requiring new land.</p><div id="youtube2-BdIj6VcAZHo" class="youtube-wrap" data-attrs="{&quot;videoId&quot;:&quot;BdIj6VcAZHo&quot;,&quot;startTime&quot;:null,&quot;endTime&quot;:null}" data-component-name="Youtube2ToDOM"><div class="youtube-inner"><iframe src="https://www.youtube-nocookie.com/embed/BdIj6VcAZHo?rel=0&amp;autoplay=0&amp;showinfo=0&amp;enablejsapi=0" frameborder="0" loading="lazy" gesture="media" allow="autoplay; fullscreen" allowautoplay="true" allowfullscreen="true" width="728" height="409"></iframe></div></div><p>What is most interesting about both initiatives is that they align with a trend already discussed in <a href="/__u/solarletter.substack.com/i/173394164/megaprojects-on-water-whether-on-marshes-or-offshore">Solarletter #27</a>. Solar PV is leaving solid ground and exploring underutilised spaces &#8212; reservoirs, marshlands, ports, and canals &#8212; to minimise land-use conflicts.</p><h4>_</h4><h4>First Solar Expands U.S. Manufacturing with New South Carolina Facility</h4><p>Let us move on to modules, as always. <a href="https://www.firstsolar.com/">First Solar</a>, the largest U.S. manufacturer of solar modules, has officially announced the construction of a <strong>new factory in South Carolina</strong> &#8212; a facility that will further strengthen its industrial presence in the United States and consolidate its commitment to domestic production under the framework of the Inflation Reduction Act (IRA).</p><p>The statement, published on the company&#8217;s <a href="https://investor.firstsolar.com/news/news-details/2025/First-Solar-Selects-South-Carolina-for-New-US-Production-Facility/default.aspx">website</a>, confirms that <strong>the new facility will be located in Greenville County</strong> and will focus on manufacturing its <em>thin-film</em> photovoltaic modules based on cadmium telluride (CdTe). With this expansion, <strong>First Solar increases its number of factories on U.S. soil to five</strong>, thereby supporting the federal objective of rebuilding a strategic photovoltaic value chain within the country.</p><p>The plant forms part of the industrial roadmap driven by the IRA (more details in <a href="/__u/solarletter.substack.com/i/136628626/ira-boosts-the-manufacturing-capacity-of-the-united-states-in-renewables">Solarletter #6</a>), which provides tax credits to domestic manufacturers. First Solar has been one of the programme&#8217;s major beneficiaries and continues to expand its capacity to meet growing domestic demand without relying on imports from Asia.</p><p>The announcement comes at a time of rising tension in the United States regarding imports from China and Southeast Asia. <em>Make Solar Great Again</em>, or however one might call it?</p><h4>_</h4><h4><strong>Edition&#180;s curiosity</strong></h4><p>Due to lack of space, there will be no Edition&#180;s curiosity this time.</p><div><hr></div><p>That concludes the edition. I hope you enjoyed and it made your coffee break, public transportation ride, or nap more enjoyable. <strong>If you have any suggestions, recommendations, or comments, feel free to reply to this email</strong>.</p><p>If you liked it, help me give it a boost by <strong>sharing it on your social media, with your friends, or coworkers</strong>. And if you did not like it, I apologize, but returns are not accepted.</p><div class="captioned-button-wrap" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-29_en-iea-renewables?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="CaptionedButtonToDOM"><div class="preamble"><p class="cta-caption">Thank you for reading Solarletter. This post is public so feel free to share it.</p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-29_en-iea-renewables?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-29_en-iea-renewables?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Abonnieren jetzt&quot;,&quot;action&quot;:null,&quot;class&quot;:&quot;button-wrapper&quot;}" data-component-name="ButtonCreateButton"><a class="button primary button-wrapper" href="/__u/solarletter.substack.com/subscribe"><span>Abonnieren jetzt</span></a></p><p>Sunny Regards!</p>]]></content:encoded></item><item><title><![CDATA[Solarletter #29_ES - IEA Renewables 2025: La fotovoltaica sigue siendo la columna vertebral del crecimiento renovable mundial]]></title><description><![CDATA[Tambi&#233;n: SMA logra el certificado grid-forming para inversores de bater&#237;as, La solar busca nuevos espacios desde embalses en Euskadi a canales en California y First Solar ampl&#237;a su producci&#243;n en USA.]]></description><link>https://solarletter.substack.com/p/solarletter-29_es-iea-renewables</link><guid isPermaLink="false">https://solarletter.substack.com/p/solarletter-29_es-iea-renewables</guid><dc:creator><![CDATA[Imanol Matanza Medina]]></dc:creator><pubDate>Fri, 21 Nov 2025 09:01:22 GMT</pubDate><enclosure url="https://substackcdn.com/image/youtube/w_728,c_limit/FKDuBGMaKpw" length="0" type="image/jpeg"/><content:encoded><![CDATA[<p>Hola a todos y bienvenidos de nuevo a Solarletter. Mi nombre es <a href="https://www.linkedin.com/in/imanol-matanza-medina-305271150/">Imanol Matanza</a> y trato de compartir contigo las <strong>&#250;ltimas noticias, avances tecnol&#243;gicos y tendencias en el campo de la energ&#237;a fotovoltaica</strong>. A trav&#233;s de Solarletter, espero aportarte <strong>informaci&#243;n valiosa, an&#225;lisis de mercado, estado del arte y peque&#241;os consejos pr&#225;cticos</strong> que te ayudar&#225;n a mantenerte al tanto de los desarrollos m&#225;s recientes en la industria fotovoltaica. </p><p>Antes de empezar esta edici&#243;n, una noticia importante: <strong>en la pr&#243;xima Solarletter publicar&#233; una nueva modalidad, la primera entrevista de Solarletter</strong>, nada menos que con <a href="https://www.linkedin.com/in/jan-schuka-87b340217/">Jan Schuka</a>, Project Manager de <a href="https://www.pfalzwerke.de/privatkunden">Pfalzwerke</a>. Hablaremos en detalle del <strong>repowering del parque fotovoltaico de Neustadt</strong>, que en su d&#237;a all&#225; por el 2003 fue el mayor de Alemania y que ahora afronta el final de su vida &#250;til. Una historia fascinante sobre c&#243;mo se reinventa una planta pionera casi dos d&#233;cadas despu&#233;s.</p><p>Si no os lo quer&#233;is perder, os dejo un link aqu&#237;:</p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/subscribe"><span>Subscribe now</span></a></p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-29_es-iea-renewables?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-29_es-iea-renewables?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p><div id="youtube2-FKDuBGMaKpw" class="youtube-wrap" data-attrs="{&quot;videoId&quot;:&quot;FKDuBGMaKpw&quot;,&quot;startTime&quot;:null,&quot;endTime&quot;:null}" data-component-name="Youtube2ToDOM"><div class="youtube-inner"><iframe src="https://www.youtube-nocookie.com/embed/FKDuBGMaKpw?rel=0&amp;autoplay=0&amp;showinfo=0&amp;enablejsapi=0" frameborder="0" loading="lazy" gesture="media" allow="autoplay; fullscreen" allowautoplay="true" allowfullscreen="true" width="728" height="409"></iframe></div></div><p>Siempre estoy abierto a sugerencias, preguntas y comentarios, as&#237; que no dudes en contactarme. &#161;Si te gusta, no dudes en subscribirte y compartirla!</p><p>Ahora s&#237;, vamos con un par de noticias interesantes!</p><div><hr></div><h4>IEA Renewables 2025: La fotovoltaica sigue siendo la columna vertebral del crecimiento renovable mundial</h4><p>La <a href="https://www.iea.org/">Agencia Internacional de la Energ&#237;a</a> (IEA) ha publicado su nuevo informe <em><a href="http://chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/https://iea.blob.core.windows.net/assets/76ad6eac-2aa6-4c55-9a55-b8dc0dba9f9e/Renewables2025.pdf">Renewables 2025</a>. </em>Os dejo por aqu&#237; un resumen:</p><p>Un a&#241;o m&#225;s la conclusi&#243;n es clara: <strong>la energ&#237;a fotovoltaica contin&#250;a siendo la protagonista indiscutible del sistema energ&#233;tico global</strong>. Se espera que represente casi el 80 % del aumento total de la capacidad el&#233;ctrica renovable mundial, manteniendo su cuota dominante a partir de 2024.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!q6iA!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F58c725c2-4491-49cf-ad56-05b07c55e383_1002x699.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!q6iA!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F58c725c2-4491-49cf-ad56-05b07c55e383_1002x699.png 424w, /__u/substackcdn.com/image/fetch/$s_!q6iA!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F58c725c2-4491-49cf-ad56-05b07c55e383_1002x699.png 848w, /__u/substackcdn.com/image/fetch/$s_!q6iA!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F58c725c2-4491-49cf-ad56-05b07c55e383_1002x699.png 1272w, /__u/substackcdn.com/image/fetch/$s_!q6iA!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F58c725c2-4491-49cf-ad56-05b07c55e383_1002x699.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!q6iA!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F58c725c2-4491-49cf-ad56-05b07c55e383_1002x699.png" width="1002" height="699" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/58c725c2-4491-49cf-ad56-05b07c55e383_1002x699.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:699,&quot;width&quot;:1002,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:143767,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/179385683?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F58c725c2-4491-49cf-ad56-05b07c55e383_1002x699.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="/__u/substackcdn.com/image/fetch/$s_!q6iA!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F58c725c2-4491-49cf-ad56-05b07c55e383_1002x699.png 424w, /__u/substackcdn.com/image/fetch/$s_!q6iA!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F58c725c2-4491-49cf-ad56-05b07c55e383_1002x699.png 848w, /__u/substackcdn.com/image/fetch/$s_!q6iA!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F58c725c2-4491-49cf-ad56-05b07c55e383_1002x699.png 1272w, /__u/substackcdn.com/image/fetch/$s_!q6iA!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F58c725c2-4491-49cf-ad56-05b07c55e383_1002x699.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Aun as&#237;, el avance no est&#225; exento de turbulencias: integraci&#243;n en red, tensiones en la cadena de suministro, ca&#237;da de precios, restricciones regulatorias y la transici&#243;n hacia modelos de subastas m&#225;s competitivos han modificado sustancialmente las previsiones respecto al informe del a&#241;o pasado. De todas formas, seg&#250;n el informe:</p><div class="pullquote"><p>Est&#225; previsto que la capacidad renovable incremente en 4.600 GW. Es decir, el mundo duplicar&#225; su capacidad renovable de aqu&#237; a 2030&#8230; y casi todo ser&#225; solar</p></div><p>Esto es equivalente a sumar toda la capacidad el&#233;ctrica de China, la Uni&#243;n Europea y Jap&#243;n juntas. Y ah&#237;, la fotovoltaica domina, vamos con una par de datos clave:</p><ul><li><p>La FV representar&#225; casi el 80% del crecimiento renovable global .</p></li><li><p>El despliegue anual superar&#225; ampliamente los 400&#8211;500 GW/a&#241;o de aqu&#237; en adelante.</p></li><li><p>En la mayor&#237;a de pa&#237;ses, el crecimiento fotovoltaico ser&#225; mayor entre 2025 y 2030 que en los &#250;ltimos cinco a&#241;os.</p></li></ul><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!WIYD!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0e6c2c0f-d410-42f0-a7c3-e74e81d674ee_1000x532.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!WIYD!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0e6c2c0f-d410-42f0-a7c3-e74e81d674ee_1000x532.png 424w, /__u/substackcdn.com/image/fetch/$s_!WIYD!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0e6c2c0f-d410-42f0-a7c3-e74e81d674ee_1000x532.png 848w, /__u/substackcdn.com/image/fetch/$s_!WIYD!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0e6c2c0f-d410-42f0-a7c3-e74e81d674ee_1000x532.png 1272w, /__u/substackcdn.com/image/fetch/$s_!WIYD!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0e6c2c0f-d410-42f0-a7c3-e74e81d674ee_1000x532.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!WIYD!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0e6c2c0f-d410-42f0-a7c3-e74e81d674ee_1000x532.png" width="1000" height="532" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/0e6c2c0f-d410-42f0-a7c3-e74e81d674ee_1000x532.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:532,&quot;width&quot;:1000,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:53886,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/179385683?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0e6c2c0f-d410-42f0-a7c3-e74e81d674ee_1000x532.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="/__u/substackcdn.com/image/fetch/$s_!WIYD!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0e6c2c0f-d410-42f0-a7c3-e74e81d674ee_1000x532.png 424w, /__u/substackcdn.com/image/fetch/$s_!WIYD!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0e6c2c0f-d410-42f0-a7c3-e74e81d674ee_1000x532.png 848w, /__u/substackcdn.com/image/fetch/$s_!WIYD!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0e6c2c0f-d410-42f0-a7c3-e74e81d674ee_1000x532.png 1272w, /__u/substackcdn.com/image/fetch/$s_!WIYD!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0e6c2c0f-d410-42f0-a7c3-e74e81d674ee_1000x532.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>La razones principales para que la fotovoltaica ocupe un lugar tan importante son los bajos costos (y en continuo descenso), un <em>permitting </em>m&#225;s sencillo comparado a otras tecnolog&#237;as (no me quiero imaginar c&#243;mo ser&#225; en otro tipo de proyectos) y una aceptaci&#243;n social m&#225;s favorable.</p><p>El informe estima que este 2025 se instalar&#225;n <strong>m&#225;s de 750 GW renovables</strong>, o incluso <strong>840 GW en el caso acelerado</strong>. Y, de nuevo, el solar tira del carro, ya que aportar&#225; <strong>casi el 80% de las nuevas adiciones</strong>, manteniendo su liderazgo de 2024. Mientras que la adici&#243;n de <em>utility-scale </em>se mantiene estable comparada a 2024, la distribuida acelera: tanto residencial como comercial crecen por la electrificaci&#243;n y la b&#250;squeda de independencia energ&#233;tica de los consumidores.</p><p>C&#243;mo es de esperar, China vuelve a marcar el ritmo. De hecho, la IEA muestra c&#243;mo las instalaciones solares chinas llegaron a un pico sin precedentes en mayo de 2025, justo antes del cambio regulatorio que eliminaba tarifas fijas de larga duraci&#243;n y las sustitu&#237;a por subastas. En ese mes, <strong>la FV china a&#241;adi&#243; 93 GWac</strong> de golpe, doce veces m&#225;s que un a&#241;o antes.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!CPND!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd4c9f4d9-094d-4e6d-a9b7-285daf933b0f_669x365.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!CPND!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd4c9f4d9-094d-4e6d-a9b7-285daf933b0f_669x365.png 424w, /__u/substackcdn.com/image/fetch/$s_!CPND!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd4c9f4d9-094d-4e6d-a9b7-285daf933b0f_669x365.png 848w, /__u/substackcdn.com/image/fetch/$s_!CPND!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd4c9f4d9-094d-4e6d-a9b7-285daf933b0f_669x365.png 1272w, /__u/substackcdn.com/image/fetch/$s_!CPND!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd4c9f4d9-094d-4e6d-a9b7-285daf933b0f_669x365.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!CPND!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd4c9f4d9-094d-4e6d-a9b7-285daf933b0f_669x365.png" width="669" height="365" 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd4c9f4d9-094d-4e6d-a9b7-285daf933b0f_669x365.png 424w, /__u/substackcdn.com/image/fetch/$s_!CPND!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd4c9f4d9-094d-4e6d-a9b7-285daf933b0f_669x365.png 848w, /__u/substackcdn.com/image/fetch/$s_!CPND!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd4c9f4d9-094d-4e6d-a9b7-285daf933b0f_669x365.png 1272w, /__u/substackcdn.com/image/fetch/$s_!CPND!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd4c9f4d9-094d-4e6d-a9b7-285daf933b0f_669x365.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Pero no todo son celebraciones, ya que la IEA hace una <strong>revisi&#243;n a la baja de las renovables: 248 GW menos hasta 2030</strong>, donde la fotovoltaica es la m&#225;s afectada. El informe recorta en un <strong>5%</strong> el crecimiento renovable previsto frente al <em><a href="http://chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/https://iea.blob.core.windows.net/assets/17033b62-07a5-4144-8dd0-651cdb6caa24/Renewables2024.pdf">Renewables 2024</a></em>. Algo que tambi&#233;n se coment&#243; en el <a href="/__u/open.substack.com/pub/solarletter/p/solarletter-28_es-edicion-especial?r=1tk2u9&amp;utm_campaign=post&amp;utm_medium=web&amp;showWelcomeOnShare=false">CITE 2025</a>.</p><p>La fotovoltaica es la principal afectada, ya que supone <strong>m&#225;s del 70% del recorte</strong> global. La reducci&#243;n se concentra en <em>utility-scale</em>, especialmente en <strong>Estados Unidos</strong> y <strong>China</strong>. Solo en <strong>Estados Unidos</strong>, la IEA recorta el despliegue FV en <strong>casi un 40%</strong>.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!jf0y!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F56a3d607-2c45-4450-bfce-cf241a0109d3_672x394.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!jf0y!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F56a3d607-2c45-4450-bfce-cf241a0109d3_672x394.png 424w, /__u/substackcdn.com/image/fetch/$s_!jf0y!, /__u/solarletter.substack.com/w_848, 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F56a3d607-2c45-4450-bfce-cf241a0109d3_672x394.png 424w, /__u/substackcdn.com/image/fetch/$s_!jf0y!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F56a3d607-2c45-4450-bfce-cf241a0109d3_672x394.png 848w, /__u/substackcdn.com/image/fetch/$s_!jf0y!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F56a3d607-2c45-4450-bfce-cf241a0109d3_672x394.png 1272w, /__u/substackcdn.com/image/fetch/$s_!jf0y!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F56a3d607-2c45-4450-bfce-cf241a0109d3_672x394.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>El informe vuelve a subrayar uno de los grandes retos: <strong>La red no est&#225; creciendo al ritmo de la fotovoltaica</strong>. Adem&#225;s, la fotovoltaica llegar&#225; a convertirse en la <strong>segunda fuente el&#233;ctrica del mundo en 2027</strong> y la primera en muchos pa&#237;ses antes de 2030.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!pGCy!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ff77b92-a1f6-46c5-9613-836d96740c56_668x670.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!pGCy!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ff77b92-a1f6-46c5-9613-836d96740c56_668x670.png 424w, 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/__u/substackcdn.com/image/fetch/$s_!pGCy!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ff77b92-a1f6-46c5-9613-836d96740c56_668x670.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><div><hr></div><p>En cuanto a la cadena de suministro e industria manufactura, es interesante destacar  la <strong>sobrecapacidad de fabricaci&#243;n en el sector fotovoltaico</strong>. La capacidad mundial de fabricaci&#243;n de m&#243;dulos casi duplica la capacidad instalada anual. Y es que, la producci&#243;n global se ha <strong>cuadruplicado desde 2021</strong>, muy por encima del ritmo de instalaci&#243;n.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!q28I!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc03a337b-6e17-4cd5-a203-0d3e2687f32f_667x377.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!q28I!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc03a337b-6e17-4cd5-a203-0d3e2687f32f_667x377.png 424w, /__u/substackcdn.com/image/fetch/$s_!q28I!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc03a337b-6e17-4cd5-a203-0d3e2687f32f_667x377.png 848w, /__u/substackcdn.com/image/fetch/$s_!q28I!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc03a337b-6e17-4cd5-a203-0d3e2687f32f_667x377.png 1272w, /__u/substackcdn.com/image/fetch/$s_!q28I!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc03a337b-6e17-4cd5-a203-0d3e2687f32f_667x377.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!q28I!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc03a337b-6e17-4cd5-a203-0d3e2687f32f_667x377.png" width="667" height="377" 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc03a337b-6e17-4cd5-a203-0d3e2687f32f_667x377.png 424w, /__u/substackcdn.com/image/fetch/$s_!q28I!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc03a337b-6e17-4cd5-a203-0d3e2687f32f_667x377.png 848w, /__u/substackcdn.com/image/fetch/$s_!q28I!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc03a337b-6e17-4cd5-a203-0d3e2687f32f_667x377.png 1272w, /__u/substackcdn.com/image/fetch/$s_!q28I!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc03a337b-6e17-4cd5-a203-0d3e2687f32f_667x377.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Como consecuencia, los precios de los m&#243;dulos est&#225;n en m&#237;nimos. Adem&#225;s la IEA anticipa una <strong>ralentizaci&#243;n de nuevas f&#225;bricas entre 2025&#8211;2030 y China mantendr&#225; 75&#8211;95% de la cuota mundial en 2030</strong>.</p><p>Por otro lado, los precios negativos no paran de crecer. Ocurriendo por lo general en las horas centrales del d&#237;a, de 11:00 a 15:00. Coincidiendo con la generaci&#243;n fotovoltaica y la baja demanda.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!N2z4!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3403d464-8ddd-4070-ab04-293ee1570d4e_536x767.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!N2z4!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3403d464-8ddd-4070-ab04-293ee1570d4e_536x767.png 424w, /__u/substackcdn.com/image/fetch/$s_!N2z4!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3403d464-8ddd-4070-ab04-293ee1570d4e_536x767.png 424w, /__u/substackcdn.com/image/fetch/$s_!N2z4!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3403d464-8ddd-4070-ab04-293ee1570d4e_536x767.png 848w, /__u/substackcdn.com/image/fetch/$s_!N2z4!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3403d464-8ddd-4070-ab04-293ee1570d4e_536x767.png 1272w, /__u/substackcdn.com/image/fetch/$s_!N2z4!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3403d464-8ddd-4070-ab04-293ee1570d4e_536x767.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Aunque para que la fotovoltaica siga manteniendo este ritmo, sea necesario un fuerte despliegue de redes y almacenamiento:</p><div class="pullquote"><p>La energ&#237;a fotovoltaica es ya la fuerza motriz del nuevo sistema energ&#233;tico mundial.</p></div><h4>_</h4><h4>SMA logra el certificado <em>grid-forming</em> para inversores de bater&#237;as</h4><p>Vamos con una noticia del mercado alem&#225;n de <a href="https://www.linkedin.com/posts/sma-solar_smas-sunny-central-storage-battery-inverter-activity-7368637513864728576-Bp4P/?utm_source=share&amp;utm_medium=member_ios&amp;rcm=ACoAACRYl3UBmt4av1EIUMbYzMyEz_7ILQZgAag">LinkedIn</a>. Y es que el conocido fabricante de inversores alem&#225;n <a href="https://www.sma.de/">SMA Solar Technology</a> ha dado un paso significativo en el mundo del almacenamiento a gran escala. </p><p>Su inversor de bater&#237;as <strong>&#8220;</strong><em><strong>Sunny Central Storage</strong></em><strong>&#8221; ha sido el primero en recibir un certificado para operaci&#243;n en modo </strong><em><strong>grid-forming</strong></em> para a&#241;adir inercia al sistema el&#233;ctrico en Alemania. Este hito se public&#243; tambi&#233;n el 10 de septiembre de 2025 (si, ya se que voy un poco tarde) por <a href="https://www.pv-magazine.com/2025/09/10/sma-secures-german-certificate-for-grid-forming-battery-inverter/">pv magazine</a> en un art&#237;culo de la autora <a href="https://www.linkedin.com/in/marian-willuhn-0451b2a8/">Marian Willuhn</a>.</p><p>La certificaci&#243;n cubre conexiones de <strong>alta y extra alta tensi&#243;n</strong>, y se basa en los est&#225;ndares <strong>VDE-AR-N 4120</strong> y <strong>VDE-AR-N 4130</strong>, lo que permite que el equipo se pueda utilizar en el mercado de reserva instant&#225;nea, previsto para empezar en 2026.</p><p>&#191;Por qu&#233; es relevante para la fotovoltaica y el almacenamiento? Vamos con un par de puntos interesantes:</p><ul><li><p>Porque este tipo de inversor permite que una planta con bater&#237;a no solo inyecte energ&#237;a, sino que tambi&#233;n <strong>ayude a mantener el sistema el&#233;ctrico, aportando inercia</strong>, estabilizaci&#243;n y respuesta ante fluctuaciones de frecuencia (clave para redes con alta penetraci&#243;n renovable).</p></li></ul><blockquote><p><em>Hago un breve inciso para recalcar que esta fue una de las razones por las que se dio el apag&#243;n en Espa&#241;a en abril.</em></p></blockquote><ul><li><p>Porque con el progresivo cierre de centrales f&#243;siles en Europa, los sistemas renovables deben empezar a asumir funciones tradicionalmente reservadas a turbinas t&#233;rmicas.</p></li><li><p>Porque facilita<strong> la bancabilidad del almacenamiento</strong>, ya que la certificaci&#243;n reduce incertidumbres t&#233;cnicas y regulatorias, un obst&#225;culo habitual para los promotores.</p></li><li><p>Porque los promotores y <em>EPCs </em>pueden ahora ofertar potencia con respaldo t&#233;cnico certificado en modo <em>grid-forming</em>, lo que acelera permisos y reduce riesgo t&#233;cnico-regulatorio.</p></li><li><p>Porque se abre la v&#237;a para ingresos adicionales por participaci&#243;n en mercados de servicios de red, que previsiblemente estar&#225;n mejor regulados a partir de 2026.</p></li></ul><p>En <a href="/__u/solarletter.substack.com/i/168381875/alemania-pone-en-marcha-su-mayor-bateria">Solarletter #26</a> ya tra&#237;mos por aqu&#237; la que hasta la fecha es la bater&#237;a con mayor capacidad de Alemania. Con capacidad de respuesta para los servicios de red en segundos, prestando <strong>regulaci&#243;n de frecuencia</strong> y contribuyendo a la <strong>estabilidad del sistema</strong>.</p><p>En pa&#237;ses como Espa&#241;a, donde el marco regulatorio del almacenamiento todav&#237;a est&#225; en construcci&#243;n, esta certificaci&#243;n internacional se convierte en <strong>referente de calidad y est&#225;ndar t&#233;cnico</strong> a emular. El almacenamiento ya no es un complemento, sino que empieza a ser <strong>una pieza esencial de cualquier instalaci&#243;n renovable competitiva.</strong></p><h4>_</h4><h4><strong>La solar busca nuevos espacios desde embalses en Euskadi a canales en California</strong></h4><p>Este mes hemos visto en dos v&#237;deos en Instagram: uno desde <strong>Euskadi</strong> en el <a href="https://www.instagram.com/reel/DQBWNEaijrX/?igsh=cmVoaDF6M2lqYW5h">El Diario Vasco</a>, donde el Gobierno Vasco <strong>ha autorizado las primeras instalaciones</strong> <strong>flotantes en embalses</strong>, y otro desde <strong>California </strong>en <a href="https://www.instagram.com/reel/DQ1ePHbDIS8/?igsh=ZWxhcG82bzMwZTI2">energiederzukunft</a>, donde avanza el pionero <strong>Project Nexus</strong>, que instala paneles directamente <strong>sobre canales de riego</strong>.</p><p>En Euskadi, los proyectos flotantes entran con condiciones estrictas: protecci&#243;n de biodiversidad, control de calidad del agua y limitaci&#243;n de zonas sensibles. Aun as&#237;, el potencial es claro: no ocupan suelo, reducen evaporaci&#243;n y logran mejores rendimientos gracias al enfriamiento natural del agua. Una soluci&#243;n especialmente interesante en regiones donde el espacio disponible es limitado y cada hect&#225;rea importa. </p><blockquote><p><em>A&#250;n y todo, los comentarios del v&#237;deo parecen estar bastante en contra. &#191;Ser&#225; que la aceptaci&#243;n de la fotovoltaica empieza a reducirse?&#191;Vosotros que opin&#225;is?</em></p></blockquote><p>Al otro lado del Atl&#225;ntico, en California, el <a href="https://www.tid.org/">Turlock Irrigation District (TID)</a> acaba de inaugurarse el primer tramo operativo de paneles sobre canales del estado. El objetivo es ambicioso: de nuevo, producir energ&#237;a sin ocupar terreno agr&#237;cola, reducir costes de mantenimiento, frenar la evaporaci&#243;n y medir el impacto del efecto refrigerante. La Universidad de California estima que, si esta soluci&#243;n se aplicara a toda la red de canales del estado, podr&#237;a ahorrarse el equivalente a <strong>290.000 millones de litros de agua al a&#241;o</strong> y generar varios gigavatios sin nueva ocupaci&#243;n de suelo.</p><div id="youtube2-BdIj6VcAZHo" class="youtube-wrap" data-attrs="{&quot;videoId&quot;:&quot;BdIj6VcAZHo&quot;,&quot;startTime&quot;:null,&quot;endTime&quot;:null}" data-component-name="Youtube2ToDOM"><div class="youtube-inner"><iframe src="https://www.youtube-nocookie.com/embed/BdIj6VcAZHo?rel=0&amp;autoplay=0&amp;showinfo=0&amp;enablejsapi=0" frameborder="0" loading="lazy" gesture="media" allow="autoplay; fullscreen" allowautoplay="true" allowfullscreen="true" width="728" height="409"></iframe></div></div><p>Lo m&#225;s interesante de ambas iniciativas es que encajan en una tendencia que ya comentamos en la <a href="/__u/solarletter.substack.com/i/173293388/megaproyectos-sobre-el-agua-ya-sean-sobre-marismas-u-offshore">Solarletter #27</a>. La fotovoltaica est&#225; abandonando la tierra firme y explorando espacios infrautilizados (embalses, marismas, puertos o canales) para minimizar conflictos de uso.</p><h4>_</h4><h4>First Solar ampl&#237;a su producci&#243;n en USA con una nueva planta en Carolina del Sur</h4><p>Vamos con m&#243;dulos como siempre. <a href="https://www.firstsolar.com/">First Solar</a>, el mayor fabricante estadounidense de m&#243;dulos solares, ha anunciado oficialmente la instalaci&#243;n de <strong>una nueva f&#225;brica en Carolina del Sur</strong>, una planta que reforzar&#225; a&#250;n m&#225;s su presencia industrial en EE. UU. y consolidar&#225; su apuesta por la producci&#243;n local bajo el paraguas del <em>Inflation Reduction Act</em> (IRA).</p><p>El comunicado, publicado en la <a href="https://investor.firstsolar.com/news/news-details/2025/First-Solar-Selects-South-Carolina-for-New-US-Production-Facility/default.aspx">web </a>de la compa&#241;&#237;a, confirma que <strong>la nueva instalaci&#243;n se ubicar&#225; en el condado de Greenville</strong> y que estar&#225; centrada en la fabricaci&#243;n de sus m&#243;dulos fotovoltaicos de tecnolog&#237;a <em>thin-film</em> basados en telururo de cadmio (CdTe). Con esta expansi&#243;n, <strong>First Solar eleva a cinco sus f&#225;bricas en territorio estadounidense</strong>, apoyando as&#237; el objetivo federal de reconstruir una cadena de valor fotovoltaica estrat&#233;gica dentro del pa&#237;s.</p><p>La planta se enmarca en la hoja de ruta industrial impulsada por el IRA (m&#225;s informaci&#243;n en <a href="/__u/solarletter.substack.com/i/136569788/el-ira-impulsa-la-capacidad-manufacturera-de-estados-unidos-en-renovables">Solarletter #6</a>), que ofrece cr&#233;ditos fiscales a los fabricantes nacionales. First Solar ha sido uno de los grandes beneficiarios del programa, y sigue ampliando capacidad para atender la demanda interna creciente sin depender de importaciones asi&#225;ticas.</p><p>El anuncio llega en un momento de creciente tensi&#243;n en EE. UU. respecto a las importaciones de China y el sudeste asi&#225;tico. &#191;<em>Make Solar Great Again </em>o c&#243;mo ser&#237;a eso?</p><h4>_</h4><h4><strong>El consejillo de la edici&#243;n</strong></h4><p>Debido a falta de espacio, no habr&#225; consejillo de la edici&#243;n esta vez.</p><div><hr></div><p>Hasta aqu&#237; la edici&#243;n. Espero que os haya gustado y amenizado el caf&#233;, el viaje en transporte p&#250;blico o inicio de la siesta. <strong>Cualquier sugerencia, recomendaci&#243;n o comentario pod&#233;is responder a este mismo correo</strong>.</p><p>Si te ha gustado, ay&#250;dame a darle un segundo empuj&#243;n <strong>compartiendolo en tus redes sociales, con tus amigos o compa&#241;eros de trabajo</strong>. Y si no te ha gustado, te pido disculpas, pero no se aceptan devoluciones.</p><div class="captioned-button-wrap" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-29_es-iea-renewables?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="CaptionedButtonToDOM"><div class="preamble"><p class="cta-caption">Thank you for reading Solarletter. This post is public so feel free to share it.</p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-29_es-iea-renewables?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-29_es-iea-renewables?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/subscribe"><span>Subscribe now</span></a></p><p>&#161;Saludos solares!</p>]]></content:encoded></item><item><title><![CDATA[Solarletter #28_ES - Edición especial - CITE 2025]]></title><description><![CDATA[CITE 2025 &#8211; Congreso internacional de la Transici&#243;n Energ&#233;tica. Pamplona, Navarra.]]></description><link>https://solarletter.substack.com/p/solarletter-28_es-edicion-especial</link><guid isPermaLink="false">https://solarletter.substack.com/p/solarletter-28_es-edicion-especial</guid><dc:creator><![CDATA[Imanol Matanza Medina]]></dc:creator><pubDate>Wed, 29 Oct 2025 10:02:44 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!VFk7!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6f5fe561-38eb-40e6-8989-a539857f1bdd_1280x827.jpeg" length="0" type="image/jpeg"/><content:encoded><![CDATA[<p>Hola a todos y bienvenidos de nuevo a Solarletter. Mi nombre es <a href="https://www.linkedin.com/in/imanol-matanza-medina-305271150/">Imanol Matanza</a> y trato de compartir contigo las <strong>&#250;ltimas noticias, avances tecnol&#243;gicos y tendencias en el campo de la energ&#237;a fotovoltaica</strong>. A trav&#233;s de Solarletter, espero aportarte <strong>informaci&#243;n valiosa, an&#225;lisis de mercado, estado del arte y peque&#241;os consejos pr&#225;cticos</strong> que te ayudar&#225;n a mantenerte al tanto de los desarrollos m&#225;s recientes en la industria fotovoltaica. </p><p>Esta edici&#243;n es un tanto especial, <a href="https://www.enercluster.com/en/home/">Enercluster </a>tuvo el detalle de invitarnos al Congreso internacional de la Transici&#243;n Energ&#233;tica (<strong><a href="https://congresocite.com/">CITE</a></strong> 2025) en Pamplona, Navarra. Para quienes no conozc&#225;is a Enercluster, se trata del <strong>consorcio que agrupa y representa los intereses del sector renovable en Navarra</strong>, actuando como punto de encuentro entre empresas, instituciones y agentes de toda la cadena de valor. Desde las grandes compa&#241;&#237;as energ&#233;ticas hasta ingenier&#237;as, consultoras, fabricantes de electr&#243;nica de potencia, fundiciones o pymes de m&#225;quina herramienta, <strong>Enercluster trabaja por una industria renovable integrada y competitiva</strong>.</p><p>El <strong><a href="https://congresocite.com/">CITE</a></strong><a href="https://congresocite.com/"> </a>es un congreso bianual organizado por este consorcio con el objetivo de <strong>analizar las tendencias del sector renovable y fomentar la colaboraci&#243;n industrial</strong>. La edici&#243;n de este a&#241;o volvi&#243; a reunir a ponentes de primer nivel y a un p&#250;blico que refleja la diversidad del ecosistema energ&#233;tico navarro.</p><p>Agradezco de nuevo la invitaci&#243;n, porque el <strong>nivel de las intervenciones ha sido excepcional</strong>. A continuaci&#243;n, intentar&#233; resumir lo m&#225;s destacado de algunas de las sesiones principales de la ma&#241;ana y de los dos bloques de la tarde. Y para los que teng&#225;is curiosidad por la parte e&#243;lica, no os preocup&#233;is: mi buen amigo <strong><a href="https://www.linkedin.com/in/sergio-fernandez-munguia-422baa87/">Sergio Fern&#225;ndez Mungu&#237;a</a></strong> ha hecho, como siempre, un excelente resumen en <strong><a href="/__u/windletter.substack.com/p/congreso-cite25-pamplona-cadena-suministro-europea-conclusiones">Windletter</a></strong>.</p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/subscribe"><span>Subscribe now</span></a></p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-28_es-edicion-especial?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-28_es-edicion-especial?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p><p>Siempre estoy abierto a sugerencias, preguntas y comentarios, as&#237; que no dudes en contactarme. &#161;Si te gusta, no dudes en subscribirte y compartirla!</p><p>Ahora s&#237;, vamos con el resumen.</p><div><hr></div><h4>Congreso CITE 2025 - Apertura institucional</h4><p>Hago un breve inciso porque seguramente muchos de vosotros ya hab&#233;is le&#237;do la edici&#243;n especial del CITE 2025 en la Windletter. Es por ello, que aqu&#237; no volver&#233; a tratar los paneles ya resumidos por Sergio. Aqu&#237; te encontraras las conclusiones de los siguientes paneles:</p><ul><li><p>Experiencias internacionales en la defensa de la cadena de valor renovable (10:30 &#8211; 11:30)</p></li><li><p>Mesa CEOs PV &amp; Storage (13:15 &#8211; 14:15)</p></li><li><p>Panel sobre almacenamiento de energ&#237;a (15:30 &#8211; 16:30)</p></li><li><p>Panel sobre hidr&#243;geno verde (16:30 &#8211; 17:30)</p></li></ul><p>Si te interesan estos temas, entonces qu&#233;date que te lo cuento:</p><h4>Mesa CEOs Wind (9:30 &#8211; 10:30)</h4><blockquote><p>Esta mesa ha sido resumida en la <a href="/__u/windletter.substack.com/p/congreso-cite25-pamplona-cadena-suministro-europea-conclusiones">Windletter</a>.</p></blockquote><h4>Experiencias internacionales en la defensa de la cadena de valor renovable (10:30 &#8211; 11:30)</h4><ul><li><p><a href="https://www.linkedin.com/in/michael-carr-dc/">Mike Carr</a> &#8211; Executive Director - <a href="https://www.semacoalition.org/">Solar Energy Manufacturers of America</a></p></li><li><p><a href="https://www.linkedin.com/in/ruben-davis-7b077693/">Ruben Davis</a> &#8211; Senior Policy Officer - <a href="https://www.cleantechforeurope.com/">Cleantech for Europe</a></p></li><li><p><a href="https://www.linkedin.com/in/silvia-gavornikova-a83206/">Silvia Gavornikov&#225;</a> &#8211; Head of Export Credits and Competition Division, <a href="https://www.oecd.org/en/topics/policy-issues/export-credits.html">OECD</a></p></li><li><p><a href="https://www.linkedin.com/in/ikerchasco/">Iker Chasco</a> (Moderador) &#8211; Managing Director <a href="https://www.enercluster.com/en/home/">Enercluster</a></p></li></ul><p>El segundo panel del CITE 2025 gir&#243; en torno a un tema clave para el futuro del sector: <strong>c&#243;mo proteger la cadena de valor renovable en un contexto global dominado por China y en el que Estados Unidos parece estar adapt&#225;ndose</strong>. Las intervenciones ofrecieron una radiograf&#237;a clara: mientras el primero gana por volumen y el segundo por estrategia, Europa sigue sin encontrar su propio modelo industrial.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!VFk7!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6f5fe561-38eb-40e6-8989-a539857f1bdd_1280x827.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!VFk7!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6f5fe561-38eb-40e6-8989-a539857f1bdd_1280x827.jpeg 424w, 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class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p><strong>Mike</strong>, refiri&#233;ndose al <em>Inflation Reduction Act (IRA)</em>, explic&#243; c&#243;mo la pol&#237;tica estadounidense ha priorizado la <strong>manufactura local</strong> y ha generado un cambio de tendencia. Estados Unidos pas&#243; de un consumo el&#233;ctrico plano o en descenso a un crecimiento impulsado por <strong>centros de datos</strong> y grandes consumidores industriales. &#8220;Los nuevos <em>off-takers</em> necesitan electricidad r&#225;pida y barata, y las renovables &#8212;especialmente la solar&#8212; ofrecen ambas cosas&#8221;, se&#241;al&#243;.</p><p>Por su parte, <strong>Rub&#233;n</strong> fue tajante con el diagn&#243;stico europeo: &#8220;Invertimos en universidades, en centros de I+D, pero descuidamos la industria y el mercado&#8221;. Record&#243; que entre 2009 y 2023 el gobierno chino destin&#243; <strong>230.000 millones de d&#243;lares en subsidios</strong> solo para el sector del autom&#243;vil el&#233;ctrico. &#8220;La cuesti&#243;n no es qui&#233;n inventa, sino qui&#233;n fabrica&#8221;, dijo. Europa, a su juicio, corre el riesgo de convertirse en un laboratorio sin industria.</p><p><strong>Mike</strong> a&#241;adi&#243; que los <strong>descensos vertiginosos de precios del polisilicio en China</strong> hacen inviable cualquier planificaci&#243;n industrial a largo plazo en Europa o EE. UU. &#8220;No se puede hacer un plan econ&#243;mico estable cuando los precios caen tan r&#225;pido&#8221;, apunt&#243;. Adem&#225;s, destac&#243; que<strong> la industria europea carece de volumen para competir internacionalmente</strong>.</p><p><strong>Silvia</strong> introdujo una reflexi&#243;n clave: &#8220;No todas las subvenciones son buenas&#8221;. En su opini&#243;n, los incentivos en China est&#225;n empezando a volverse en su contra, creando <strong>sobrecapacidad y presi&#243;n en los m&#225;rgenes</strong>.</p><p>Rub&#233;n volvi&#243; a tomar la palabra para poner un ejemplo revelador: &#8220;El arancel sobre las bater&#237;as en la Uni&#243;n Europea es del 1,3 %, mientras que en EE. UU. es del 25 %&#8221;. Para &#233;l, <strong>los subsidios sin medidas comerciales de protecci&#243;n son in&#250;tiles</strong>. &#8220;Estamos perdiendo <em>know-how</em> frente a China&#8221;, lament&#243;. Sylvia coincidi&#243;, subrayando que lo que Europa necesita no es solo financiaci&#243;n, sino <strong>un cambio de mentalidad</strong>.</p><p>Rub&#233;n cerr&#243; el panel con una propuesta concreta: los <strong>proyectos renovables subvencionados en Europa deber&#237;an incorporar cl&#225;usulas que obliguen a comprar producto local</strong>. &#8220;Si el dinero p&#250;blico financia la transici&#243;n energ&#233;tica, tiene que servir tambi&#233;n para fortalecer nuestra industria&#8221;, concluy&#243;.</p><div><hr></div><p>                                                             &#9749; <em><strong>Coffee break</strong></em>&#9749;</p><div><hr></div><h4>Mesa CEOs Developers (12:15 &#8211; 13:15)</h4><blockquote><p>Esta mesa ha sido resumida en la <a href="/__u/windletter.substack.com/p/congreso-cite25-pamplona-cadena-suministro-europea-conclusiones">Windletter</a>.</p></blockquote><p>_</p><h4>Mesa CEOs PV &amp; Storage (13:15 &#8211; 14:15)</h4><ul><li><p><a href="https://www.linkedin.com/in/bertrand-lecacheux-4587844/">Bertrand Lecacheux</a> &#8211; CEO <a href="https://holosolis.com/">Holosolis</a></p></li><li><p><a href="https://www.linkedin.com/in/christoph-podewils/">Christoph Podewils</a> &#8211; Secretary General - <a href="https://esmc.solar/">European Solar Manufacturing Council</a> (ESMC)</p></li><li><p><a href="https://www.linkedin.com/in/edurne-zoco-phd-36b5054/">Edurne Zoco</a> &#8211; Head Technologies and Supply Chains, Energy Transition &#8211; <a href="https://www.spglobal.com/commodity-insights/en">S&amp;P Global Commodity Insights</a></p></li><li><p><a href="https://www.linkedin.com/in/herv%C3%A9-amoss%C3%A9-91707a1/">Herve Amosse</a> &#8211; EVP &#8211; <a href="https://saft.com/en/market-sectors/energy-storage">SAFT Energy Storage Solutions</a></p></li><li><p><a href="https://www.linkedin.com/in/marcrechter/">Marc Rechter</a> &#8211; CEO &#8211; <a href="https://mcpv.eu/">MCPV</a></p></li></ul><p>El panel de CEOs de <strong>fotovoltaica y almacenamiento</strong> fue, sin duda, uno de los m&#225;s realistas &#8212;y cr&#237;ticos&#8212; del CITE 2025. Bajo la pregunta inicial de la moderadora &#8212;&#8220;&#191;por qu&#233; hay un desfase entre la manufactura y la regulaci&#243;n?&#8221;&#8212; se desarroll&#243; una conversaci&#243;n que puso el dedo en la llaga: <strong>Europa ha instalado gigavatios, pero ha dejado morir su tejido industrial</strong>.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!LAXU!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F024c74bc-51ac-4285-9aa2-2d1574624461_1280x853.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!LAXU!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F024c74bc-51ac-4285-9aa2-2d1574624461_1280x853.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!LAXU!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F024c74bc-51ac-4285-9aa2-2d1574624461_1280x853.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!LAXU!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F024c74bc-51ac-4285-9aa2-2d1574624461_1280x853.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!LAXU!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F024c74bc-51ac-4285-9aa2-2d1574624461_1280x853.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!LAXU!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F024c74bc-51ac-4285-9aa2-2d1574624461_1280x853.jpeg" width="538" height="358.5265625" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/024c74bc-51ac-4285-9aa2-2d1574624461_1280x853.jpeg&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:853,&quot;width&quot;:1280,&quot;resizeWidth&quot;:538,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;No alternative text description for this image&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="No alternative text description for this image" title="No alternative text description for this image" srcset="/__u/substackcdn.com/image/fetch/$s_!LAXU!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F024c74bc-51ac-4285-9aa2-2d1574624461_1280x853.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!LAXU!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F024c74bc-51ac-4285-9aa2-2d1574624461_1280x853.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!LAXU!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F024c74bc-51ac-4285-9aa2-2d1574624461_1280x853.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!LAXU!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F024c74bc-51ac-4285-9aa2-2d1574624461_1280x853.jpeg 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Los ponentes coincidieron en que el <strong>Net Zero Industry Act (NZIA)</strong>, creado para impulsar la manufactura europea frente al <em>Inflation Reduction Act</em> estadounidense, <strong>lleg&#243; tarde y mal ejecutado</strong>. Mientras Europa discut&#237;a su aplicaci&#243;n, <strong>China aprovech&#243; la pandemia para construir su capacidad industrial</strong>. &#8220;Ellos construyeron durante el COVID lo que ahora est&#225;n utilizando&#8221;, resumi&#243; <strong>Christoph</strong>.</p><p><strong>Mark</strong> fue a&#250;n m&#225;s directo: &#8220;Europa necesita recuperar la confianza regulatoria. Ya se prometieron medidas en el pasado, pero no llegaron. Por eso el capital y el talento se est&#225;n yendo fuera&#8221;. Seg&#250;n &#233;l, <strong>hay talento y capital en Europa, pero no se invierte por falta de reglas claras y estables</strong>.</p><p><strong>Laurent</strong> insisti&#243; en que la manufactura europea debe ser <strong>rentable, no subsidiada</strong>. Sin beneficios econ&#243;micos, no hay futuro industrial. En la misma l&#237;nea, <strong>Herv&#233;</strong> explic&#243; c&#243;mo las f&#225;bricas de bater&#237;as en Europa ya no pueden abastecerse con componentes producidos localmente: &#8220;Al principio utiliz&#225;bamos celdas europeas, pero ya no se encuentran&#8221;. El ejemplo de la fotovoltaica se repite: la mayor parte de los m&#243;dulos, inversores o materiales base proviene de China.</p><p>Pese a ello, <strong>parte de la cadena de valor sigue viva en Europa</strong>: ingenier&#237;a SCADA, cumplimiento de c&#243;digos de red, instaladores, EPCs, mantenimiento y gesti&#243;n de activos. Todos esos servicios siguen generando empleo y conocimiento dentro del continente. &#8220;En China hay muchos proveedores, lo que mejora los precios y la tecnolog&#237;a &#8212;explicaba Herv&#233;&#8212;, pero en Europa tenemos el talento y el conocimiento t&#233;cnico&#8221;.</p><p><strong>Laurent</strong> propuso <strong>atraer a fabricantes chinos mediante </strong><em><strong>joint ventures</strong></em> que permitan que una parte de la producci&#243;n y del valor a&#241;adido se quede en Europa, &#8220;como hizo China d&#233;cadas atr&#225;s&#8221;.</p><p>Los ponentes tambi&#233;n abordaron la <strong>presi&#243;n a la baja en los precios</strong>. Seg&#250;n Christoph, los precios actuales &#8220;ponen en riesgo la calidad del producto&#8221;. Cit&#243; un estudio chino seg&#250;n el cual <strong>el 60 % de los m&#243;dulos no cumple las especificaciones que figuran en sus fichas t&#233;cnicas</strong>, y mencion&#243; el ejemplo de los tests de granizo. Herv&#233; a&#241;adi&#243; que la densidad energ&#233;tica de las bater&#237;as ha pasado de <strong>500 kWh a 5 MWh por contenedor de 20 pies</strong>, subrayando la necesidad de incorporar <strong>almacenamiento para aportar inercia al sistema</strong>. Adem&#225;s, record&#243; que la UE exige que <strong>al menos el 70 % de los componentes de las bater&#237;as sean reciclables</strong>, lo que puede convertirse en una ventaja competitiva a medio plazo.</p><p>Mark record&#243; que China ha invertido <strong>entre tres y cinco billones de yuanes en I+D</strong>, una cifra inalcanzable para Europa. Pero, como se&#241;al&#243; Herv&#233;, <strong>colaborar con China podr&#237;a ser una oportunidad</strong> para recuperar parte de ese conocimiento mediante alianzas estrat&#233;gicas.</p><p>El cierre del panel dej&#243; un mensaje claro: <strong>Europa necesita un cambio de mentalidad urgente</strong>, tanto a nivel pol&#237;tico como industrial. Hay que pasar de los an&#225;lisis lentos a la <strong>acci&#243;n pragm&#225;tica y r&#225;pida</strong>, simplificar la regulaci&#243;n y <strong>hacer de Europa un entorno &#8220;bancable&#8221;</strong> que inspire confianza al capital. Las administraciones deben liderar con el ejemplo, <strong>impulsando la compra p&#250;blica de productos europeos</strong> y fortaleciendo la cadena de suministro local. El reto est&#225; en encontrar el equilibrio entre <strong>proteger lo propio sin cerrarse al mundo</strong>, aprendiendo de la estrategia industrial de China sin perder la identidad europea. Porque <strong>sin una base manufacturera s&#243;lida, la propia I+D europea est&#225; en riesgo</strong>. El futuro depender&#225; de la <strong>colaboraci&#243;n inteligente, la innovaci&#243;n, la calidad y la resiliencia</strong>, respaldadas por pol&#237;ticas que impulsen de verdad la <strong>fabricaci&#243;n local y el valor a&#241;adido dentro del continente</strong>.</p><div><hr></div><p>                                                  &#129386; <em><strong>13:45 Comida networking</strong></em> &#129386;</p><div><hr></div><h4>Panel sobre almacenamiento de energ&#237;a (15:30 &#8211; 16:30)</h4><blockquote><p>En paralelo tuvo lugar un Panel sobre O&amp;M. Esta mesa ha sido resumida en la <a href="/__u/windletter.substack.com/p/congreso-cite25-pamplona-cadena-suministro-europea-conclusiones">Windletter</a>.</p></blockquote><ul><li><p><a href="https://www.linkedin.com/in/luis-marquina-458b763b/">Luis Marquina</a> &#8211; Presidente &#8211; <a href="https://aepibal.org/en/">AEPIBAL</a></p></li><li><p><a href="https://www.linkedin.com/in/dr-peer-piske-9404297/">Peer Piske </a>&#8211; Managing Partner &#8211; <a href="https://www.alantra.com/">Alantra</a></p></li><li><p><a href="https://www.linkedin.com/in/rodrigo-hartstein-salim-ph-d-22370635/">Rodrigo Hartstein</a> &#8211; Head of Portfolio Management BESS &#8211; <a href="https://www.siemens-energy.com/de/de/home.html">Siemens Energy</a></p></li><li><p><a href="https://www.linkedin.com/in/susanagomezramirez/">Susana G&#243;mez</a> &#8211; Head of Renewable Energy &#8211; <a href="https://www.nexusenergia.com/en/">Nexus Energ&#237;a</a></p></li><li><p><a href="https://www.linkedin.com/in/will-broad-75a72a32/">Will Broad</a> &#8211; Global Director of Policy and Market &#8211; <a href="https://ldescouncil.com/">Long duration Storage Council (LDES)</a></p></li></ul><p>El panel dedicado al <strong>almacenamiento energ&#233;tico</strong> fue uno de los m&#225;s esperados del CITE 2025, y dej&#243; una conclusi&#243;n compartida por todos los ponentes: <strong>sin almacenamiento no habr&#225; transici&#243;n energ&#233;tica, pero el marco regulatorio a&#250;n no est&#225; preparado</strong>.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!axiC!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcccdeb6b-94d9-4e32-8f43-91c666429128_1280x827.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" 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/__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcccdeb6b-94d9-4e32-8f43-91c666429128_1280x827.jpeg 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>El moderador, <strong>Eugenio</strong>, abri&#243; la sesi&#243;n con una buena noticia: durante el almuerzo se hab&#237;an aprobado nuevos <strong>fondos FEDER para proyectos de almacenamiento</strong>. Pero el optimismo dur&#243; poco: las intervenciones coincidieron en que, m&#225;s all&#225; del apoyo puntual, <strong>el sector carece todav&#237;a de una estructura regulatoria s&#243;lida y predecible</strong>.</p><p><strong>Rodrigo</strong> subray&#243; que los <strong>sistemas de bater&#237;as (BESS)</strong> son esenciales para aportar <strong>inercia y estabilidad a la red</strong>, pero que por s&#237; solos no resolver&#225;n todos los problemas. &#8220;El almacenamiento es una pieza clave, no la &#250;nica&#8221;, coincid&#237;a <strong>Eugenio</strong>, recordando que el futuro pasar&#225; por <strong>un mix de tecnolog&#237;as complementarias</strong>. <strong>Susana</strong> apunt&#243; que las renovables han incrementado la <strong>volatilidad de precios, los vertidos y la congesti&#243;n en red</strong>, y que el almacenamiento ofrece una respuesta a todos estos desaf&#237;os.</p><p><strong>Pierre</strong> fue tajante: &#8220;No hay un marco, ni una regulaci&#243;n clara. Se habla mucho, pero poco se concreta. Quiz&#225;s el a&#241;o que viene&#8221;, ironiz&#243;. <strong>Susana</strong> coincidi&#243;: &#8220;En Espa&#241;a a&#250;n no existe un marco regulatorio integral, pero tenemos la oportunidad de aprender de nuestros vecinos europeos&#8221;.</p><p><strong>Will</strong> ampli&#243; la visi&#243;n tecnol&#243;gica: el almacenamiento no debe limitarse a las bater&#237;as de litio. &#8220;<strong>El futuro ser&#225; h&#237;brido</strong>: almacenamiento electroqu&#237;mico, t&#233;rmico, mec&#225;nico e hidr&#225;ulico. No hay una soluci&#243;n &#250;nica&#8221;, defendi&#243;. En Espa&#241;a, de hecho, crece el inter&#233;s por el <strong>almacenamiento t&#233;rmico con sales fundidas o roca caliente</strong>, especialmente en aplicaciones industriales y proyectos h&#237;bridos con renovables.</p><p>Rodrigo record&#243; que <strong>todas las tecnolog&#237;as necesitan apoyo en sus primeras etapas</strong>. En Reino Unido e Irlanda, explic&#243;, fue necesario crear  un <strong>mecanismo de mercado de capacidad </strong>para garantizar la rentabilidad de los BESS, porque el modelo puramente <em>merchant</em> no era suficiente. &#8220;Sin visibilidad de ingresos, no hay financiaci&#243;n&#8221;, a&#241;adi&#243;.</p><p>Eugenio llev&#243; la discusi&#243;n hacia lo pr&#225;ctico: &#8220;&#191;C&#243;mo se estiman los ingresos de un proyecto y c&#243;mo se hacen bancables?&#8221;. Pierre respondi&#243; que la clave est&#225; en <strong>empezar con proyectos peque&#241;os</strong>, generar experiencia y conocimiento, y construir desde ah&#237; la confianza de la banca. Rodrigo, por su parte, defendi&#243; la <strong>colocaci&#243;n de bater&#237;as junto a plantas renovables</strong>, ya que permite <strong>optimizar los puntos de conexi&#243;n y reducir costes de operaci&#243;n</strong>. Aun as&#237;, record&#243; que las bater&#237;as no aportan <strong>capacidad de cortocircuito</strong>, por lo que <strong>otras tecnolog&#237;as de estabilizaci&#243;n seguir&#225;n siendo necesarias</strong>.</p><p>Sobre los <strong>20 GW de proyectos de almacenamiento</strong> actualmente en desarrollo en Espa&#241;a, Eugenio pregunt&#243; si hay espacio para todos. <strong>Susana</strong> respondi&#243; con claridad: &#8220;Espacio hay. Lo que falta son mecanismos de financiaci&#243;n estables&#8221;. <strong>Pierre</strong> insisti&#243; en la necesidad de <strong>diversificar las fuentes de ingresos</strong> &#8212;arbitraje, servicios de balance, mercados de capacidad&#8212;, pero subray&#243; que <strong>lo esencial es dar estabilidad</strong> a esos flujos.</p><p>El panel concluy&#243; con consenso en varios puntos: el almacenamiento debe ser <strong>diverso, flexible y rentable</strong>. Espa&#241;a necesita avanzar m&#225;s r&#225;pido en la creaci&#243;n de <strong>mecanismos de predicci&#243;n de ingresos</strong>. Y debe impulsar la <strong>digitalizaci&#243;n de la red y tarifas din&#225;micas</strong> para fomentar el almacenamiento <strong>detr&#225;s del contador (BTM)</strong> en la industria.</p><p>Como record&#243; Eugenio al cerrar: <em>&#8220;Tenemos la tecnolog&#237;a, tenemos los proyectos, tenemos incluso la financiaci&#243;n&#8230; lo que falta es el marco que les d&#233; sentido&#8221;</em>.</p><h4>_</h4><h4>Panel sobre hidr&#243;geno verde (16:30 &#8211; 17:30)</h4><blockquote><p>En paralelo tuvo lugar un Panel sobre grid. Esta mesa ha sido resumida en la <a href="/__u/windletter.substack.com/p/congreso-cite25-pamplona-cadena-suministro-europea-conclusiones">Windletter</a>.</p></blockquote><ul><li><p><a href="https://www.linkedin.com/in/susana-de-pablo-garcia/">Susana de Pablo</a> &#8211; General Director of Engineering, Technology and Digitalization &#8211; <a href="https://www.enagas.es/en/">Enagas</a></p></li><li><p><a href="https://www.linkedin.com/in/carlos-ayuso-martin-5287a01b4/">Carlos Ayuso</a> &#8211; Innovation Projects &amp; Processes Director &#8211; <a href="https://www.moeveglobal.com/en/businesses/commercial-clean-energies/green-hydrogen">Moeve</a></p></li><li><p><a href="https://www.linkedin.com/in/juan-pe%C3%B1a-65a93759/">Juan Pe&#241;a</a> &#8211; Chief Corporate Business and Institutional Affairs Officer &#8211; <a href="https://grupoenhol.es/en/home/">Grupo Enhol</a></p></li><li><p><a href="https://www.linkedin.com/in/alan-ripa-ngkaion-0b8b8b1b8/">Alan Ripa</a> &#8211; CEO &#8211; <a href="http://acciona-plug.com">Acciona Plug</a></p></li><li><p><a href="https://www.linkedin.com/in/eugenio-luis-solla-freijomil-69226b47/">Luis Solla</a> &#8211; CEO &#8211; <a href="https://www.nordex-online.com/nordex-electrolyzers/products/">Nordex Electrolyzers</a></p></li><li><p><a href="https://www.linkedin.com/in/antonio-gonz%C3%A1lez-garcia-conde-715a0929/">Antonio Gonz&#225;lez</a> (Moderador) &#8211; Vice President &#8211; <a href="https://aeh2.org/en/the-aeh2/">Spanish Hydrogen Association</a> (AeH2)</p></li></ul><p>El &#250;ltimo panel del CITE 2025 abord&#243; una de las grandes promesas de la transici&#243;n energ&#233;tica: el <strong>hidr&#243;geno verde</strong>. La mesa dej&#243; una sensaci&#243;n compartida entre los ponentes: el potencial es enorme, pero el ritmo al que avanza Europa sigue siendo demasiado lento.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!NcbV!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8741fba8-8a3f-4453-b3e0-6fbeb3865f0c_1280x853.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!NcbV!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8741fba8-8a3f-4453-b3e0-6fbeb3865f0c_1280x853.jpeg 424w, 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stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>El moderador abri&#243; el debate preguntando <strong>d&#243;nde se encuentra hoy el verdadero valor del hidr&#243;geno</strong>. <strong>Carlos</strong> respondi&#243; que su primer y m&#225;s l&#243;gico uso est&#225; en <strong>sustituir el hidr&#243;geno gris existente</strong>, empleado en refiner&#237;as, fertilizantes o producci&#243;n de metanol. &#8220;Ah&#237; est&#225; el impacto inmediato y econ&#243;micamente m&#225;s viable&#8221;, se&#241;al&#243;. A medio plazo, el hidr&#243;geno tambi&#233;n tiene cabida en <strong>industrias t&#233;rmicas intensivas</strong> &#8212;como la cer&#225;mica o el vidrio&#8212; y en <strong>transporte pesado</strong>, donde la electrificaci&#243;n es m&#225;s compleja por cuestiones de peso y espacio. En cambio, en el transporte ligero, coincidieron varios panelistas, <strong>la electrificaci&#243;n directa seguir&#225; siendo la opci&#243;n dominante</strong>.</p><p><strong>Susana</strong> centr&#243; su intervenci&#243;n en la <strong>infraestructura</strong>: &#8220;El hidr&#243;geno puede almacenar energ&#237;a, equilibrar generaci&#243;n y demanda, y dar una segunda vida a la red de gas existente&#8221;. Espa&#241;a, destac&#243;, <strong>cuenta con una posici&#243;n estrat&#233;gica dentro de los corredores europeos</strong> y ha recibido <strong>75 millones de euros de fondos CEF</strong> para proyectos de infraestructura. Record&#243;, adem&#225;s, que &#8220;el hidr&#243;geno no es una tecnolog&#237;a nueva: ya existen m&#225;s de 5.000 kil&#243;metros de hidroductos&#8221;. Sin embargo, el despliegue masivo requiere <strong>tiempo, inversi&#243;n y un marco regulatorio claro y estable</strong>.</p><p><strong>Luis</strong> aport&#243; una visi&#243;n desde la industria, destacando que acababan de inaugurar su <strong>primer prototipo de electrolizador de 2,5 MW</strong>. Subray&#243; que Europa necesita <strong>un plan a largo plazo, que no cambie con cada legislatura</strong>, y medidas concretas como <strong>eliminar peajes, ofrecer incentivos fiscales y reducir la burocracia</strong>. &#8220;Tenemos una oportunidad hist&#243;rica &#8212;dijo&#8212;, pero si seguimos al ritmo actual, la perderemos&#8221;.</p><p><strong>Alan</strong> coincidi&#243; en el diagn&#243;stico: la <strong>lentitud puede pasar factura</strong>. Record&#243; que esta es ya la <strong>tercera ola del hidr&#243;geno</strong> &#8212;tras los intentos fallidos de los 70, 80 y 2000&#8212;, pero que a&#250;n no se han cumplido las expectativas. Se sobreestim&#243; la velocidad a la que bajar&#237;an los costes de los electrolizadores y de la electricidad, y hoy el precio objetivo de <strong>2 &#8364;/kg</strong> sigue lejos de alcanzarse. Seg&#250;n sus datos, hay <strong>unos 800 proyectos en desarrollo en Europa</strong>, pero <strong>solo el 4 % llega a decisi&#243;n de financiaci&#243;n (FID)</strong>. &#8220;El dinero est&#225;, pero se bloquea en proyectos que a&#250;n no est&#225;n listos para construir&#8221;, explic&#243;, defendiendo que <strong>los fondos p&#250;blicos deber&#237;an priorizar los proyectos realmente </strong><em><strong>ready to build</strong></em> y cerrar el <strong>gap entre los costes de producci&#243;n y lo que la demanda est&#225; dispuesta a pagar</strong>.</p><p><strong>Juan</strong> aport&#243; una reflexi&#243;n pr&#225;ctica: &#8220;La energ&#237;a renovable antigua tambi&#233;n puede alimentar proyectos de hidr&#243;geno. Lo importante es que la administraci&#243;n no ponga palos en la rueda&#8221;. Propuso <strong>penalizar a los promotores que ganen subastas e incentivos y luego no ejecuten</strong>, para evitar la especulaci&#243;n que frena al sector.</p><p><strong>Carlos</strong> cerr&#243; apuntando que para abaratar costes <strong>se necesitan proyectos de gran escala</strong>, pero advirti&#243; de las limitaciones de red: &#8220;No es f&#225;cil meter 400 MW en un nudo&#8221;. Coincidi&#243; en que la infraestructura ser&#225; el gran cuello de botella si no se planifica con visi&#243;n sist&#233;mica.</p><p>En conjunto, los ponentes coincidieron en que <strong>Europa necesita claridad, estabilidad y velocidad</strong>. La regulaci&#243;n debe acompa&#241;ar al mercado, <strong>premiando los proyectos maduros y penalizando la inacci&#243;n</strong>. La innovaci&#243;n y la digitalizaci&#243;n ser&#225;n esenciales para reducir costes, al igual que la colaboraci&#243;n entre <strong>productores, ingenier&#237;as e industria consumidora</strong>.</p><p>El mensaje final fue claro: el hidr&#243;geno verde no necesita m&#225;s promesas, sino <strong>acci&#243;n coordinada y pragm&#225;tica</strong>. Si Europa quiere aprovechar su ventaja geogr&#225;fica y su potencial renovable, deber&#225; pasar del discurso a la ejecuci&#243;n &#8212;y hacerlo antes de que esta tercera ola tambi&#233;n se disipe.</p><h4>Reflexi&#243;n personal</h4><p>El CITE ha sido un recordatorio de que la transici&#243;n energ&#233;tica no es solo una cuesti&#243;n de tecnolog&#237;a, sino de prop&#243;sito. Podemos instalar m&#225;s renovables que nunca, pero si las f&#225;bricas cierran, si las cadenas de valor se marchan y si el talento se dispersa, <strong>la independencia energ&#233;tica se quedar&#225; en un eslogan</strong>.<br>Lo importante ya no es solo generar electricidad verde, sino generar oportunidades. Ese deber&#237;a ser el objetivo verdadero. Quiz&#225;s Roma se construyo en un d&#237;a, la riqueza de Navarra, no.</p><div><hr></div><p>Hasta aqu&#237; la edici&#243;n. Espero que os haya gustado y amenizado el caf&#233;, el viaje en transporte p&#250;blico o inicio de la siesta. <strong>Cualquier sugerencia, recomendaci&#243;n o comentario pod&#233;is responder a este mismo correo</strong>.</p><p>Si te ha gustado, ay&#250;dame a darle un segundo empuj&#243;n <strong>compartiendolo en tus redes sociales, con tus amigos o compa&#241;eros de trabajo</strong>. Y si no te ha gustado, te pido disculpas, pero no se aceptan devoluciones.</p><div class="captioned-button-wrap" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-28_es-edicion-especial?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="CaptionedButtonToDOM"><div class="preamble"><p class="cta-caption">Thank you for reading Solarletter. This post is public so feel free to share it.</p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-28_es-edicion-especial?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-28_es-edicion-especial?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/subscribe"><span>Subscribe now</span></a></p><p>&#161;Saludos solares!</p>]]></content:encoded></item><item><title><![CDATA[Solarletter #28_EN - Special edition - CITE 2025]]></title><description><![CDATA[CITE 2025 &#8211; Congreso internacional de la Transici&#243;n Energ&#233;tica. Pamplona, Navarra.]]></description><link>https://solarletter.substack.com/p/solarletter-28_en-special-edition</link><guid isPermaLink="false">https://solarletter.substack.com/p/solarletter-28_en-special-edition</guid><dc:creator><![CDATA[Imanol Matanza Medina]]></dc:creator><pubDate>Wed, 29 Oct 2025 10:02:43 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!VFk7!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6f5fe561-38eb-40e6-8989-a539857f1bdd_1280x827.jpeg" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="pullquote"><p>Please note that text below has been translated from the spanish version by using AI</p></div><p>Hello everyone and welcome back to Solarletter. My name is Imanol Matanza, and I aim to share with you the <strong>latest news, technological advancements, and trends in the field of photovoltaic energy</strong>. Through Solarletter, I hope to provide you with <strong>valuable information, market analysis, state-of-the-art updates, and practical tips</strong> that will help you stay informed about the latest developments in the photovoltaic industry.</p><p>This edition is somewhat special. <a href="https://www.enercluster.com/en/home/">Enercluster</a> had the courtesy of inviting us to the International Congress on the Energy Transition (<strong><a href="https://congresocite.com/">CITE</a> </strong>2025) in Pamplona, Navarra. For those who may not be familiar with Enercluster, it is the <strong>consortium that brings together and represents the interests of the renewable energy sector in Navarra</strong>, acting as a meeting point for companies, institutions, and stakeholders across the entire value chain. From large energy corporations to engineering firms, consultancies, power electronics manufacturers, foundries, and SMEs in the machine-tool sector, <strong>Enercluster works towards a more integrated and competitive renewable industry</strong>.</p><p>The <strong><a href="https://congresocite.com/">CITE</a> </strong>is a biennial congress organised by this consortium with the <strong>goal of analysing trends in the renewable energy sector and fostering industrial collaboration</strong>. This year&#8217;s edition once again brought together high-level speakers and an audience that reflects the diversity of Navarra&#8217;s energy ecosystem.</p><p>I would like to express my gratitude once again for the invitation, as the <strong>quality of the presentations was truly outstanding</strong>. Below, I will attempt to summarise the key highlights from some of the main morning sessions and the two afternoon panels. For those interested in the wind energy segment, do not worry &#8212; my good friend <strong><a href="https://www.linkedin.com/in/sergio-fernandez-munguia-422baa87/">Sergio Fern&#225;ndez Mungu&#237;a</a></strong> has, as always, prepared an excellent summary in <strong><a href="/__u/windletteren.substack.com/p/congreso-cite25-pamplona-eurpean-supply-chain-conclusions">Windletter</a></strong>.</p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/subscribe"><span>Subscribe now</span></a></p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-28_en-special-edition?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-28_en-special-edition?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p><p>I am always open to suggestions, questions, and comments, so please feel free to contact me. If you like it, don't hesitate to subscribe and share!</p><p>Alright, let us go with a couple of interesting pieces of news!</p><div><hr></div><h4>Congress CITE 2025 - Institutional opening</h4><p>I will make a brief note, as many of you have probably already read the special CITE 2025 edition in the Windletter. For this reason, I will not revisit the panels that have already been summarised by Sergio. Here, you will find the conclusions from the following panels:</p><ul><li><p>International Experiences in Defending the Renewable Value Chain (10:30 &#8211; 11:30)</p></li><li><p>CEOs PV &amp; Storage Roundtable (13:15 &#8211; 14:15)</p></li><li><p>Energy Storage Panel (15:30 &#8211; 16:30)</p></li><li><p>Green Hydrogen Panel (16:30 &#8211; 17:30)</p></li></ul><p>If you are interested in these topics, then stay with me, and I will tell you all about it.</p><h4>CEOs Wind Roundtable (9:30 &#8211; 10:30)</h4><blockquote><p>This panel has been summarised in the Windletter.</p></blockquote><h4>International Experiences in Defending the Renewable Value Chain (10:30 &#8211; 11:30)</h4><ul><li><p><a href="https://www.linkedin.com/in/michael-carr-dc/">Mike Carr</a> &#8211; Executive Director - <a href="https://www.semacoalition.org/">Solar Energy Manufacturers of America</a></p></li><li><p><a href="https://www.linkedin.com/in/ruben-davis-7b077693/">Ruben Davis</a> &#8211; Senior Policy Officer - <a href="https://www.cleantechforeurope.com/">Cleantech for Europe</a></p></li><li><p><a href="https://www.linkedin.com/in/silvia-gavornikova-a83206/">Silvia Gavornikov&#225;</a> &#8211; Head of Export Credits and Competition Division, <a href="https://www.oecd.org/en/topics/policy-issues/export-credits.html">OECD</a></p></li><li><p><a href="https://www.linkedin.com/in/ikerchasco/">Iker Chasco</a> (Moderador) &#8211; Managing Director <a href="https://www.enercluster.com/en/home/">Enercluster</a></p></li></ul><p>The second panel of CITE 2025 revolved around a key topic for the future of the sector: <strong>how to protect the renewable value chain in a global context dominated by China, while the United States appears to be adapting</strong>. The interventions provided a clear overview: while the first wins by volume and the second by strategy, Europe has yet to define its own industrial model.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!VFk7!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6f5fe561-38eb-40e6-8989-a539857f1bdd_1280x827.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!VFk7!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6f5fe561-38eb-40e6-8989-a539857f1bdd_1280x827.jpeg 424w, 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class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p><strong>Mike</strong>, referring to the Inflation Reduction Act (IRA), explained how U.S. policy has prioritised <strong>local manufacturing</strong> and triggered a major shift. The United States moved from flat or declining electricity consumption to growth driven by <strong>data centres</strong> and large industrial consumers. &#8220;The new <em>off-takers</em> need electricity that is both fast and affordable, and renewables &#8212; particularly solar &#8212; offer both,&#8221; he stated.</p><p><strong>Ruben </strong>was direct in his assessment of Europe: &#8220;We invest in universities and R&amp;D centres, but we neglect industry and the market.&#8221; He recalled that between 2009 and 2023, the Chinese government allocated <strong>230 billion dollars in subsidies </strong>to the electric vehicle sector alone. &#8220;The question is not who invents, but who manufactures,&#8221; he said. In his view, Europe risks becoming a laboratory without industry.</p><p><strong>Mike </strong>added that the <strong>sharp decline in polysilicon prices in China</strong> makes any long-term industrial planning unfeasible in Europe or the United States. &#8220;It is impossible to build a stable economic plan when prices fall so rapidly,&#8221; he noted. He also emphasised that <strong>European industry lacks the scale needed to compete globally</strong>.</p><p><strong>Silvia </strong>introduced a crucial reflection: &#8220;Not all subsidies are good.&#8221; In her opinion, China&#8217;s incentives are beginning to work against it, <strong>creating overcapacity and putting pressure on profit margins</strong>.</p><p><strong>Ruben </strong>took the floor again to provide a revealing example: &#8220;The tariff on batteries in the European Union is 1.3%, while in the United States it is 25%.&#8221; For him, subsidies without trade protection measures are ineffective. &#8220;We are losing <em>know-how</em> to China,&#8221; he lamented. Silvia agreed, stressing that what Europe needs is not only financing, but a <strong>shift in mindset</strong>.</p><p>Ruben concluded the panel with a concrete proposal: s<strong>ubsidised renewable projects in Europe should include clauses requiring the purchase of locally produced equipment</strong>. &#8220;If public money is financing the energy transition, it must also serve to strengthen our industry,&#8221; he concluded.</p><div><hr></div><p>                                                             &#9749; <em><strong>Coffee break</strong></em>&#9749;</p><div><hr></div><h4>_</h4><h4>CEOs Developers Roundtable (12:15 &#8211; 13:15)</h4><blockquote><p>This panel has been summarised in the Windletter.</p></blockquote><p>_</p><h4>CEOs PV &amp; Storage Roundtable (13:15 &#8211; 14:15)</h4><ul><li><p><a href="https://www.linkedin.com/in/bertrand-lecacheux-4587844/">Bertrand Lecacheux</a> &#8211; CEO <a href="https://holosolis.com/">Holosolis</a></p></li><li><p><a href="https://www.linkedin.com/in/christoph-podewils/">Christoph Podewils</a> &#8211; Secretary General - <a href="https://esmc.solar/">European Solar Manufacturing Council</a> (ESMC)</p></li><li><p><a href="https://www.linkedin.com/in/edurne-zoco-phd-36b5054/">Edurne Zoco</a> &#8211; Head Technologies and Supply Chains, Energy Transition &#8211; <a href="https://www.spglobal.com/commodity-insights/en">S&amp;P Global Commodity Insights</a></p></li><li><p><a href="https://www.linkedin.com/in/herv%C3%A9-amoss%C3%A9-91707a1/">Herve Amosse</a> &#8211; EVP &#8211; <a href="https://saft.com/en/market-sectors/energy-storage">SAFT Energy Storage Solutions</a></p></li><li><p><a href="https://www.linkedin.com/in/marcrechter/">Marc Rechter</a> &#8211; CEO &#8211; <a href="https://mcpv.eu/">MCPV</a></p></li></ul><p>The <strong>photovoltaic and storage</strong> CEOs panel was, without a doubt, one of the most realistic&#8212;and critical&#8212;sessions of CITE 2025. Under the moderator&#8217;s initial question &#8212;&#8220;Why is there a gap between manufacturing and regulation?&#8221;&#8212; a conversation unfolded that struck at the core of the issue: <strong>Europe has installed gigawatts, but it has allowed its industrial fabric to deteriorate</strong>.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!LAXU!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F024c74bc-51ac-4285-9aa2-2d1574624461_1280x853.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!LAXU!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, 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/__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F024c74bc-51ac-4285-9aa2-2d1574624461_1280x853.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!LAXU!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F024c74bc-51ac-4285-9aa2-2d1574624461_1280x853.jpeg" width="538" height="358.5265625" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/024c74bc-51ac-4285-9aa2-2d1574624461_1280x853.jpeg&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:853,&quot;width&quot;:1280,&quot;resizeWidth&quot;:538,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;No alternative text description for this image&quot;,&quot;title&quot;:&quot;No alternative text description for this image&quot;,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="No alternative text description for this image" title="No alternative text description for this image" srcset="/__u/substackcdn.com/image/fetch/$s_!LAXU!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F024c74bc-51ac-4285-9aa2-2d1574624461_1280x853.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!LAXU!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F024c74bc-51ac-4285-9aa2-2d1574624461_1280x853.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!LAXU!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F024c74bc-51ac-4285-9aa2-2d1574624461_1280x853.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!LAXU!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F024c74bc-51ac-4285-9aa2-2d1574624461_1280x853.jpeg 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>The speakers agreed that the <strong>Net Zero Industry Act (NZIA)</strong>, designed to promote European manufacturing in response to the United States&#8217; <em>Inflation Reduction Act</em>, <strong>came too late and was poorly implemented</strong>. While Europe debated its application, <strong>China used the pandemic years to build its industrial capacity</strong>. &#8220;They built during COVID what they are now using,&#8221; summarised <strong>Christoph</strong>.</p><p><strong>Mark </strong>was even more direct: &#8220;Europe needs to restore regulatory trust. Promises of measures have been made in the past, but they never arrived. That is why both capital and talent are leaving.&#8221; According to him, <strong>Europe still has both talent and capital, but investments are not being made due to a lack of clear and stable rules</strong>.</p><p><strong>Laurent </strong>insisted that European manufacturing <strong>must be profitable, not subsidised</strong>. Without economic viability, there can be no industrial future. In the same vein, <strong>Herv&#233; </strong>explained that battery factories in Europe can no longer rely on locally produced components: &#8220;At the beginning we used European-made cells, but they are no longer available.&#8221; The photovoltaic sector faces the same situation: most modules, inverters, and raw materials now come from China.</p><p>Nevertheless, <strong>part of the value chain remains active in Europe</strong>: SCADA engineering, grid code compliance, installers, EPC contractors, maintenance, and asset management. All of these services continue to generate employment and technical expertise across the continent. &#8220;In China there are many suppliers, which improves both price and technology,&#8221; Herv&#233; explained, &#8220;but in Europe we have the talent and technical knowledge.&#8221;</p><p><strong>Laurent </strong>proposed <strong>attracting Chinese manufacturers through </strong><em><strong>joint ventures</strong></em> that would allow part of the production and added value to remain in Europe &#8212; &#8220;just as China did decades ago.&#8221;</p><p>The panel also addressed the <strong>downward pressure on prices</strong>. According to Christoph, current prices &#8220;put product quality at risk.&#8221; He cited a Chinese study stating that <strong>60% of modules do not meet the specifications listed on their technical datasheets</strong>, mentioning hail-resistance testing as an example. Herv&#233; added that the energy density of batteries has increased from <strong>500 kWh to 5 MWh per 20-foot container</strong>, underscoring the need to integrate <strong>storage to provide inertia</strong> to the system. He also reminded the audience that the EU requires <strong>at least 70% of battery components to be recyclable</strong>, which could become a competitive advantage in the medium term.</p><p>Mark pointed out that China has invested <strong>between three and five trillion yuan in R&amp;D</strong> &#8212; a figure unattainable for Europe. However, as Herv&#233; noted, <strong>collaboration with China</strong> could offer an opportunity to recover part of that knowledge through strategic alliances.</p><p>The panel concluded with a clear message: <strong>Europe urgently needs a change in mindset</strong>, both politically and industrially. The continent must move from slow <strong>analysis to pragmatic</strong>, fast action &#8212; simplifying regulation and creating a <strong>&#8220;bankable&#8221; environment that inspires investor confidence</strong>. Public administrations must lead by example, <strong>promoting the purchase of European-made products</strong> and strengthening local supply chains. The challenge lies in finding a <strong>balance between protecting domestic industry and remaining open to the world</strong> &#8212; learning from China&#8217;s industrial strategy without losing Europe&#8217;s identity. Without a strong manufacturing base, Europe&#8217;s own R&amp;D is at risk. The future will depend on <strong>smart collaboration, innovation, quality, and resilience</strong> &#8212; all supported by policies that genuinely promote <strong>local manufacturing and added value within the continent</strong>.</p><div><hr></div><p>                                                  &#129386; <em><strong>13:45 Comida networking</strong></em> &#129386;</p><div><hr></div><h4>Energy Storage Panel (15:30 &#8211; 16:30)</h4><blockquote><p>In parallel, a Panel on O&amp;M took place.. This panel has been summarised in the Windletter.</p></blockquote><ul><li><p><a href="https://www.linkedin.com/in/luis-marquina-458b763b/">Luis Marquina</a> &#8211; President &#8211; <a href="https://aepibal.org/en/">AEPIBAL</a></p></li><li><p><a href="https://www.linkedin.com/in/dr-peer-piske-9404297/">Peer Piske </a>&#8211; Managing Partner &#8211; <a href="https://www.alantra.com/">Alantra</a></p></li><li><p><a href="https://www.linkedin.com/in/rodrigo-hartstein-salim-ph-d-22370635/">Rodrigo Hartstein</a> &#8211; Head of Portfolio Management BESS &#8211; <a href="https://www.siemens-energy.com/de/de/home.html">Siemens Energy</a></p></li><li><p><a href="https://www.linkedin.com/in/susanagomezramirez/">Susana G&#243;mez</a> &#8211; Head of Renewable Energy &#8211; <a href="https://www.nexusenergia.com/en/">Nexus Energ&#237;a</a></p></li><li><p><a href="https://www.linkedin.com/in/will-broad-75a72a32/">Will Broad</a> &#8211; Global Director of Policy and Market &#8211; <a href="https://ldescouncil.com/">Long duration Storage Council (LDES)</a></p></li></ul><p>The panel dedicated to <strong>energy storage</strong> was one of the most anticipated sessions of CITE 2025 and concluded with a message shared by all speakers: <strong>without storage, there will be no energy transition</strong> &#8212; but <strong>the regulatory framework is still not ready</strong>.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!axiC!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcccdeb6b-94d9-4e32-8f43-91c666429128_1280x827.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!axiC!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcccdeb6b-94d9-4e32-8f43-91c666429128_1280x827.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!axiC!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcccdeb6b-94d9-4e32-8f43-91c666429128_1280x827.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!axiC!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcccdeb6b-94d9-4e32-8f43-91c666429128_1280x827.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!axiC!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcccdeb6b-94d9-4e32-8f43-91c666429128_1280x827.jpeg 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>The moderator, <strong>Eugenio</strong>, opened the session with good news: during lunch, <strong>new FEDER funds for storage projects</strong> had been approved. However, the optimism did not last long. The speakers agreed that, beyond occasional support, the sector still <strong>lacks a solid and predictable regulatory structure</strong>.</p><p><strong>Rodrigo</strong> emphasised that <strong>Battery Energy Storage Systems (BESS)</strong> are essential for providing <strong>inertia and stability to the grid</strong>, but that they alone will not solve all the challenges. &#8220;Storage is a key component, but not the only one,&#8221; <strong>Eugenio</strong> agreed, reminding the audience that <strong>the future will rely on a mix of complementary technologies</strong>. <strong>Susana</strong> pointed out that renewables have increased <strong>price volatility, curtailment, and grid congestion</strong> &#8212; challenges to which <strong>storage provides a direct response</strong>.</p><p><strong>Pierre</strong> was blunt: &#8220;<strong>There is no framework, no clear regulation. Much is discussed, but little is implemented. Perhaps next year</strong>,&#8221; he said with irony. <strong>Susana</strong> agreed: &#8220;In Spain, there is still <strong>no comprehensive regulatory framework</strong>, but <strong>we have the opportunity to learn from our European neighbours</strong>.&#8221;</p><p><strong>Will</strong> broadened the technological perspective: storage should not be limited to lithium batteries. &#8220;<strong>The future will be hybrid &#8212; electrochemical, thermal, mechanical, and hydraulic storage. There is no single solution</strong>,&#8221; he argued. In Spain, interest is growing in <strong>thermal storage using molten salts or hot rock</strong>, particularly for <strong>industrial applications and hybrid renewable projects</strong>.</p><p><strong>Rodrigo</strong> reminded that <strong>all technologies require support during their initial stages</strong>. In the <strong>United Kingdom and Ireland</strong>, he explained, it was necessary to establish a <strong>capacity market mechanism</strong> to ensure the <strong>profitability of BESS projects</strong>, as a purely merchant model was insufficient. &#8220;<strong>Without revenue visibility, there is no financing</strong>,&#8221; he added.</p><p><strong>Eugenio</strong> steered the discussion toward a practical question: &#8220;How can project revenues be estimated, and how can they become bankable?&#8221; <strong>Pierre</strong> responded that the key lies in <strong>starting with small projects</strong>, gaining experience and expertise, and <strong>building trust with the banking sector</strong> over time. <strong>Rodrigo</strong>, for his part, <strong>advocated colocating batteries with renewable plants</strong>, as this allows <strong>optimisation of grid connection points</strong> and <strong>reduction of operating costs</strong>. Even so, he reminded that <strong>batteries do not provide short-circuit capacity</strong>, so <strong>other stabilisation technologies will still be necessary</strong>.</p><p>Regarding the <strong>20 GW of storage projects currently under development in Spain</strong>, <strong>Eugenio</strong> asked whether there is room for all of them. <strong>Susana</strong> responded clearly: &#8220;<strong>There is room. What is missing are stable financing mechanisms</strong>.&#8221; <strong>Pierre</strong> insisted on the need to <strong>diversify revenue streams</strong> &#8212; <strong>arbitrage, balancing services, capacity markets</strong> &#8212; but stressed that <strong>stability in those flows is essential</strong>.</p><p>The panel concluded with consensus on several points: <strong>storage must be diverse, flexible, and profitable</strong>. <strong>Spain needs to move faster</strong> in creating mechanisms for <strong>revenue forecasting</strong>, and must accelerate <strong>grid digitalisation</strong> and <strong>dynamic tariffs</strong> to promote <strong>behind-the-meter (BTM) storage</strong> in industry.</p><p>As <strong>Eugenio</strong> reminded in closing: &#8220;<em>We have the technology, we have the projects, we even have the financing&#8230; what we lack is the framework that gives them meaning.</em>&#8221;</p><h4>_</h4><h4>Green Hydrogen Panel (16:30 &#8211; 17:30)</h4><blockquote><p>In parallel, a Panel on grid took place. This panel has been summarised in the Windletter.</p></blockquote><ul><li><p><a href="https://www.linkedin.com/in/susana-de-pablo-garcia/">Susana de Pablo</a> &#8211; General Director of Engineering, Technology and Digitalization &#8211; <a href="https://www.enagas.es/en/">Enagas</a></p></li><li><p><a href="https://www.linkedin.com/in/carlos-ayuso-martin-5287a01b4/">Carlos Ayuso</a> &#8211; Innovation Projects &amp; Processes Director &#8211; <a href="https://www.moeveglobal.com/en/businesses/commercial-clean-energies/green-hydrogen">Moeve</a></p></li><li><p><a href="https://www.linkedin.com/in/juan-pe%C3%B1a-65a93759/">Juan Pe&#241;a</a> &#8211; Chief Corporate Business and Institutional Affairs Officer &#8211; <a href="https://grupoenhol.es/en/home/">Grupo Enhol</a></p></li><li><p><a href="https://www.linkedin.com/in/alan-ripa-ngkaion-0b8b8b1b8/">Alan Ripa</a> &#8211; CEO &#8211; <a href="http://acciona-plug.com">Acciona Plug</a></p></li><li><p><a href="https://www.linkedin.com/in/eugenio-luis-solla-freijomil-69226b47/">Luis Solla</a> &#8211; CEO &#8211; <a href="https://www.nordex-online.com/nordex-electrolyzers/products/">Nordex Electrolyzers</a></p></li><li><p><a href="https://www.linkedin.com/in/antonio-gonz%C3%A1lez-garcia-conde-715a0929/">Antonio Gonz&#225;lez</a> (Moderador) &#8211; Vice President &#8211; <a href="https://aeh2.org/en/the-aeh2/">Spanish Hydrogen Association</a> (AeH2)</p></li></ul><p>The final panel of <strong>CITE 2025</strong> addressed one of the great promises of the energy transition: <strong>green hydrogen</strong>. The discussion left a shared impression among the speakers &#8212; <strong>the potential is enormous</strong>, but <strong>the pace at which Europe is advancing remains far too slow</strong>.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!NcbV!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8741fba8-8a3f-4453-b3e0-6fbeb3865f0c_1280x853.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!NcbV!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8741fba8-8a3f-4453-b3e0-6fbeb3865f0c_1280x853.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!NcbV!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8741fba8-8a3f-4453-b3e0-6fbeb3865f0c_1280x853.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!NcbV!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8741fba8-8a3f-4453-b3e0-6fbeb3865f0c_1280x853.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!NcbV!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8741fba8-8a3f-4453-b3e0-6fbeb3865f0c_1280x853.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!NcbV!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8741fba8-8a3f-4453-b3e0-6fbeb3865f0c_1280x853.jpeg" width="546" height="363.8578125" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/8741fba8-8a3f-4453-b3e0-6fbeb3865f0c_1280x853.jpeg&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:853,&quot;width&quot;:1280,&quot;resizeWidth&quot;:546,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;No alternative text description for this image&quot;,&quot;title&quot;:&quot;No alternative text description for this image&quot;,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="No alternative text description for this image" title="No alternative text description for this image" srcset="/__u/substackcdn.com/image/fetch/$s_!NcbV!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8741fba8-8a3f-4453-b3e0-6fbeb3865f0c_1280x853.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!NcbV!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8741fba8-8a3f-4453-b3e0-6fbeb3865f0c_1280x853.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!NcbV!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8741fba8-8a3f-4453-b3e0-6fbeb3865f0c_1280x853.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!NcbV!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8741fba8-8a3f-4453-b3e0-6fbeb3865f0c_1280x853.jpeg 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>The moderator opened the debate by asking where the true value of hydrogen lies today. <strong>Carlos</strong> responded that its first and most logical application is in <strong>replacing existing grey hydrogen</strong>, which is used in <strong>refineries, fertiliser production, and methanol manufacturing</strong>. &#8220;That is where the immediate and economically viable impact can be found,&#8221; he noted. In the medium term, hydrogen also has a role to play in <strong>heat-intensive industries</strong> &#8212; such as <strong>ceramics and glass</strong> &#8212; and in <strong>heavy transport</strong>, where electrification is more complex due to weight and space constraints. In contrast, several panellists agreed that in <strong>light transport</strong>, <strong>direct electrification will remain the dominant option</strong>.</p><p><strong>Susana</strong> focused her intervention on infrastructure: &#8220;<strong>Hydrogen can store energy, balance generation and demand, and give a second life to the existing gas network.</strong>&#8221; She highlighted that <strong>Spain occupies a strategic position within the European corridors</strong> and has received <strong>75 million euros in CEF funding</strong> for infrastructure projects. She also reminded the audience that &#8220;<strong>hydrogen is not a new technology: more than 5,000 kilometres of hydrogen pipelines already exist.</strong>&#8221; However, she stressed that <strong>large-scale deployment requires time, investment, and a clear and stable regulatory framework</strong>.</p><p><strong>Luis</strong> contributed an industrial perspective, noting that his company had just inaugurated its <strong>first 2.5 MW electrolyser prototype</strong>. He emphasised that <strong>Europe needs a long-term plan that does not change with every legislature</strong>, as well as <strong>concrete measures such as removing network charges, offering tax incentives, and reducing bureaucracy</strong>. &#8220;<strong>We have a historic opportunity, but if we continue at the current pace, we will lose it,</strong>&#8221; he warned.</p><p><strong>Alan</strong> agreed with the diagnosis: <strong>Europe&#8217;s slowness could have serious consequences</strong>. He recalled that this is already the <strong>third hydrogen wave</strong> &#8212; after unsuccessful attempts in the 1970s, 1980s, and 2000s &#8212; yet expectations have still not been met. <strong>T</strong>he decline in the cost of electrolysers and electricity has been slower than expected, and the target price of<strong> &#8364;2/kg remains distant</strong>. According to his data, there are about <strong>800 projects under development in Europe</strong>, but <strong>only 4% reach a final investment decision (FID)</strong>. &#8220;<strong>The money exists, but it is tied up in projects that are not yet </strong><em><strong>ready to build</strong></em><strong>,</strong>&#8221; he explained, arguing that <strong>public funding should prioritise truly ready-to-build projects and bridge the gap between production costs and market demand.</strong></p><p><strong>Juan</strong> added a practical reflection: &#8220;Older renewable assets can also power hydrogen projects. The key is that public administrations must not become an obstacle.&#8221; He proposed <strong>penalising developers who win auctions or incentives but fail to execute</strong>, in order to curb the speculation that slows down the sector.</p><p><strong>Carlos</strong> concluded by stating that <strong>reducing costs will require large-scale projects</strong>, but he warned of grid limitations: &#8220;It is not easy to connect 400 MW to a single node.&#8221; He agreed that infrastructure will become the main bottleneck unless it is planned with systemic vision.</p><p>Overall, the panellists agreed that <strong>Europe needs clarity, stability, and speed</strong>. <strong>Regulation must accompany the market</strong>, rewarding mature projects and penalising inaction. <strong>Innovation and digitalisation</strong> will be essential to <strong>reduce costs</strong>, as will <strong>collaboration among producers, engineering firms, and industrial consumers</strong>.</p><p>The final message was clear: <strong>green hydrogen no longer needs more promises, but coordinated and pragmatic action</strong>. If Europe wishes to capitalise on its geographic advantage and renewable potential, it must move from discourse to execution &#8212; and do so before this third wave also fades away.</p><h4>Reflexi&#243;n personal</h4><p>The CITE has been a reminder that the energy transition is not only a matter of technology, but of purpose. We may be able to install more renewable capacity than ever before, but if factories close, if value chains move abroad, and if talent becomes scattered, <strong>energy independence will remain nothing more than a slogan</strong>.</p><p>Clean energy must be accompanied by clean industry, coherent policies, and a narrative that inspires. What truly matters is not only generating electricity, but generating opportunities. That is the real meaning of what we do.</p><div><hr></div><p>That concludes the edition. I hope you enjoyed and it made your coffee break, public transportation ride, or nap more enjoyable. <strong>If you have any suggestions, recommendations, or comments, feel free to reply to this email</strong>.</p><p>If you liked it, help me give it a boost by <strong>sharing it on your social media, with your friends, or coworkers</strong>. And if you did not like it, I apologize, but returns are not accepted.</p><div class="captioned-button-wrap" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-28_en-special-edition?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="CaptionedButtonToDOM"><div class="preamble"><p class="cta-caption">Thank you for reading Solarletter. This post is public so feel free to share it.</p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-28_en-special-edition?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-28_en-special-edition?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Abonnieren jetzt&quot;,&quot;action&quot;:null,&quot;class&quot;:&quot;button-wrapper&quot;}" data-component-name="ButtonCreateButton"><a class="button primary button-wrapper" href="/__u/solarletter.substack.com/subscribe"><span>Abonnieren jetzt</span></a></p><p>Sunny Regards!</p>]]></content:encoded></item><item><title><![CDATA[Solarletter #27_EN - Solar Cannibalization: Spain vs Germany]]></title><description><![CDATA[Also: New Milestones for ib Vogt in Segovia and Resilience Against Wildfires, Megaprojects on water, whether on marshes or offshore and Top 30 module manufacturers of the first half of the year]]></description><link>https://solarletter.substack.com/p/solarletter-27_en-solar-cannibalization</link><guid isPermaLink="false">https://solarletter.substack.com/p/solarletter-27_en-solar-cannibalization</guid><dc:creator><![CDATA[Imanol Matanza Medina]]></dc:creator><pubDate>Fri, 12 Sep 2025 08:00:58 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!bopl!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32237b15-b3f5-48a1-b8c7-b9bdd42a60ce_800x539.jpeg" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="pullquote"><p>Please note that text below has been translated from the spanish version by using AI</p></div><p>Hello everyone and welcome back to Solarletter. My name is Imanol Matanza, and I aim to share with you the <strong>latest news, technological advancements, and trends in the field of photovoltaic energy</strong>. Through Solarletter, I hope to provide you with <strong>valuable information, market analysis, state-of-the-art updates, and practical tips</strong> that will help you stay informed about the latest developments in the photovoltaic industry.</p><p>I am late publishing the Solarletter again. But this year has been pretty busy. I got married this summer, we bought a house, and the projects are constantly on the rise. After this vacation, we will have something new, so if you do not want to miss it, do not forget to subscribe.</p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/subscribe"><span>Subscribe now</span></a></p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-27_en-solar-cannibalization?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-27_en-solar-cannibalization?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p><p>I am always open to suggestions, questions, and comments, so please feel free to contact me. If you like it, don't hesitate to subscribe and share!</p><p>Alright, let us go with a couple of interesting pieces of news!</p><div><hr></div><h4><strong>Solar Cannibalization: Spain vs Germany</strong></h4><p>The other day I was shared an interesting <a href="https://www.linkedin.com/posts/zach-williams-a129bb166_solar-cannibalisation-when-solar-eats-activity-7363881965491482624-7l6F/?utm_medium=ios_app&amp;rcm=ACoAACRYl3UBmt4av1EIUMbYzMyEz_7ILQZgAag&amp;utm_source=social_share_send&amp;utm_campaign=share_via">LinkedIn</a> post by <a href="https://www.linkedin.com/in/zach-williams-a129bb166/">Zach Williams</a> in which he discusses and compares the cannibalization of solar photovoltaic energy in the electricity markets of Spain and Germany, two countries that I follow very closely. For those who do not know me yet, I am from Bilbao, but I have been living in Germany for 7 years, currently in Frankfurt.</p><p>The post summarizes an article published in <a href="https://modoenergy.com/research/germany-2025-solar-cannibalisation-glut-subsidies-power-prices-bess">Modo Energy</a>. It states that installed solar capacity in <strong>Germany has surpassed 100 GW</strong>. However, <strong>summer peak demand rarely exceeds 60 GW</strong>. On sunny days, solar floods the market and pushes prices down.</p><p>The impact is already visible on the economics of projects that operate under <em>merchant </em>conditions (without guaranteed tariffs). However, they are saved by the fact that <strong>90% of projects in Germany</strong> <strong>rely on subsidies similar to </strong><em><strong>feed-in tariffs</strong></em>, and those payments are covered by the federal budget.</p><p><strong>The solar capture rate fell from 98% to 54% in less than three years</strong>. The solar capture rate measures the average price that solar generators receive in relation to the average market price.</p><blockquote><p><em>Let me make a brief note here. For those reading from Spain, the term apuntamiento fotovoltaico might sound more familiar. Both indicators are used to show the same thing: the cannibalization of solar energy prices. In <a href="/__u/solarletter.substack.com/i/154201688/chinese-silicon-producers-cut-their-production">Solarletter #22</a>, we already discussed these terms for the first time.</em></p></blockquote><p>So far in 2025, that value has been around 54%, far below the 98% registered in 2022.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!TXOz!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f37aa56-cc9d-4e11-b275-b9104fb181b7_1467x1185.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!TXOz!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f37aa56-cc9d-4e11-b275-b9104fb181b7_1467x1185.png 424w, /__u/substackcdn.com/image/fetch/$s_!TXOz!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f37aa56-cc9d-4e11-b275-b9104fb181b7_1467x1185.png 848w, /__u/substackcdn.com/image/fetch/$s_!TXOz!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f37aa56-cc9d-4e11-b275-b9104fb181b7_1467x1185.png 1272w, /__u/substackcdn.com/image/fetch/$s_!TXOz!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f37aa56-cc9d-4e11-b275-b9104fb181b7_1467x1185.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!TXOz!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f37aa56-cc9d-4e11-b275-b9104fb181b7_1467x1185.png" width="1456" height="1176" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/5f37aa56-cc9d-4e11-b275-b9104fb181b7_1467x1185.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:1176,&quot;width&quot;:1456,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:168088,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/173293388?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f37aa56-cc9d-4e11-b275-b9104fb181b7_1467x1185.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" title="" srcset="/__u/substackcdn.com/image/fetch/$s_!TXOz!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f37aa56-cc9d-4e11-b275-b9104fb181b7_1467x1185.png 424w, /__u/substackcdn.com/image/fetch/$s_!TXOz!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f37aa56-cc9d-4e11-b275-b9104fb181b7_1467x1185.png 848w, /__u/substackcdn.com/image/fetch/$s_!TXOz!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f37aa56-cc9d-4e11-b275-b9104fb181b7_1467x1185.png 1272w, /__u/substackcdn.com/image/fetch/$s_!TXOz!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f37aa56-cc9d-4e11-b275-b9104fb181b7_1467x1185.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>A clear seasonal pattern can be observed: in May and June, monthly capture rates fell as low as 0.43 and 0.44.</p><p>Part of the problem lies in Germany&#8217;s geographical situation. Its latitude means that most of the generation is concentrated in the summer months. <strong>Last year, 43% of solar production was concentrated in just three months: June, July, and August</strong>. Given the design of south-oriented solar panels and Germany&#8217;s latitude, each gigawatt installed produces much more during summer.</p><p>Additionally, <strong>midday demand has been falling</strong> by about 1 GW per year, while solar <strong>production has been increasing</strong> by nearly 3 GW.</p><p>The German <em>day-ahead</em> market functions through a <em>pay-as-cleared </em>auction, meaning it is a marginal market just like the Spanish one. Generators bid based on their costs, and the cheapest are accepted until demand is covered. In the end, all generators receive the same price as the last accepted bid that met demand.</p><p><strong>The market floor price can fall as low as -&#8364;500/MWh</strong>. Yes, you read that correctly, bids can be submitted with negative prices. Subsidized renewables and must-run assets (such as nuclear) usually bid at that price to ensure their production.</p><p>What is incredible is that in the last five years, around 11 GW of additional capacity has been added that bids at negative prices during the day.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!HhRN!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F44ebb3b0-c707-4f7c-a730-bd8e993a559d_1480x1192.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!HhRN!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F44ebb3b0-c707-4f7c-a730-bd8e993a559d_1480x1192.png 424w, /__u/substackcdn.com/image/fetch/$s_!HhRN!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F44ebb3b0-c707-4f7c-a730-bd8e993a559d_1480x1192.png 848w, /__u/substackcdn.com/image/fetch/$s_!HhRN!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F44ebb3b0-c707-4f7c-a730-bd8e993a559d_1480x1192.png 1272w, /__u/substackcdn.com/image/fetch/$s_!HhRN!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F44ebb3b0-c707-4f7c-a730-bd8e993a559d_1480x1192.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!HhRN!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F44ebb3b0-c707-4f7c-a730-bd8e993a559d_1480x1192.png" width="1456" height="1173" 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/__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F44ebb3b0-c707-4f7c-a730-bd8e993a559d_1480x1192.png 424w, /__u/substackcdn.com/image/fetch/$s_!HhRN!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F44ebb3b0-c707-4f7c-a730-bd8e993a559d_1480x1192.png 848w, /__u/substackcdn.com/image/fetch/$s_!HhRN!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F44ebb3b0-c707-4f7c-a730-bd8e993a559d_1480x1192.png 1272w, /__u/substackcdn.com/image/fetch/$s_!HhRN!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F44ebb3b0-c707-4f7c-a730-bd8e993a559d_1480x1192.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p><strong>Spain covers 18% of its demand with solar energy, while Germany only 10%</strong>. Even so, capture rates are almost identical. The difference lies in seasonality and demand patterns:</p><ul><li><p>In Spain, the production profile is flatter and demand grows in summer due to the need for air conditioning.</p></li><li><p>In Germany, peak production falls in summer months, when demand also falls.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!kdRb!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe952e44f-f361-4cb7-a4b9-7bc58465a58e_1470x1187.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!kdRb!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe952e44f-f361-4cb7-a4b9-7bc58465a58e_1470x1187.png 424w, /__u/substackcdn.com/image/fetch/$s_!kdRb!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe952e44f-f361-4cb7-a4b9-7bc58465a58e_1470x1187.png 848w, /__u/substackcdn.com/image/fetch/$s_!kdRb!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe952e44f-f361-4cb7-a4b9-7bc58465a58e_1470x1187.png 1272w, /__u/substackcdn.com/image/fetch/$s_!kdRb!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe952e44f-f361-4cb7-a4b9-7bc58465a58e_1470x1187.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!kdRb!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe952e44f-f361-4cb7-a4b9-7bc58465a58e_1470x1187.png" width="1456" height="1176" 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/__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe952e44f-f361-4cb7-a4b9-7bc58465a58e_1470x1187.png 424w, /__u/substackcdn.com/image/fetch/$s_!kdRb!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe952e44f-f361-4cb7-a4b9-7bc58465a58e_1470x1187.png 848w, /__u/substackcdn.com/image/fetch/$s_!kdRb!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe952e44f-f361-4cb7-a4b9-7bc58465a58e_1470x1187.png 1272w, /__u/substackcdn.com/image/fetch/$s_!kdRb!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe952e44f-f361-4cb7-a4b9-7bc58465a58e_1470x1187.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div></li></ul><p>Why does Germany continue to build solar projects even though returns are shrinking? As mentioned above, more than 90% of plants operate with <em>feed-in tariffs</em> or guaranteed market premiums, ensuring revenue even when prices collapse.</p><p>Furthermore, since 2017, new capacity has come through auctions or PPAs. (<em>In <a href="/__u/solarletter.substack.com/i/141489026/spain-the-preferred-country-for-ppas-in-europe">Solarletter #13</a> we showed how in 2023, Germany was already the second EU country for this type of agreement</em>) However, as capture rates decline, the gap between actual project revenues and what subsidies cover grows. This creates pressure to reform subsidies and positions storage as a central piece for future viability.</p><p><strong>Germany&#8217;s 2030 target is to reach 215 GW</strong> of installed solar capacity. In other words, this can only get worse. Batteries appear to be the inevitable answer: storing cheap midday energy to deliver it at times of high demand.</p><div class="native-video-embed" data-component-name="VideoPlaceholder" data-attrs="{&quot;mediaUploadId&quot;:&quot;d9509b5b-ba91-4d69-a938-360bb251e094&quot;,&quot;duration&quot;:null}"></div><p>For consumers, storage can mean lower costs if done properly. For investors, it provides the security that the market no longer guarantees.</p><blockquote><h4><strong>CITE25 Congress &#8211; The meeting point for the renewable energy industry</strong></h4><p>Pamplona will host the 4th International Congress of the Industry for the Energy Transition (CITE25), <strong>organised by Enercluster</strong>, on 23 October.</p><p>The congress will focus on key technologies such as wind energy, solar, storage, and green hydrogen, and will address topics like the challenges facing Europe&#8217;s renewable industry in a global context, new national and European legislation, technology trends, and the relationship between renewables and society.</p><p>You can check out the list of speakers <a href="https://congresocite.com/en/speakers">here</a> and the full agenda <a href="https://congresocite.com/en/programme">here</a>. All the latest updates about the event are also being shared via the <a href="https://www.linkedin.com/company/cite-congresorenovables/">CITE Congress LinkedIn page</a>.</p><p>&#127903;&#65039; You can <strong><a href="https://congresocite.com/en/register">get your ticket</a></strong> by clicking on the banner just below.</p></blockquote><div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="https://congresocite.com/en/register" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!MSK_!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff7f93bd6-6911-4e95-8874-8c3e58f02113_1100x220.gif 424w, /__u/substackcdn.com/image/fetch/$s_!MSK_!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff7f93bd6-6911-4e95-8874-8c3e58f02113_1100x220.gif 848w, /__u/substackcdn.com/image/fetch/$s_!MSK_!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff7f93bd6-6911-4e95-8874-8c3e58f02113_1100x220.gif 1272w, /__u/substackcdn.com/image/fetch/$s_!MSK_!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff7f93bd6-6911-4e95-8874-8c3e58f02113_1100x220.gif 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!MSK_!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff7f93bd6-6911-4e95-8874-8c3e58f02113_1100x220.gif" width="1100" height="220" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/f7f93bd6-6911-4e95-8874-8c3e58f02113_1100x220.gif&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:220,&quot;width&quot;:1100,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:70550,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:null,&quot;type&quot;:&quot;image/gif&quot;,&quot;href&quot;:&quot;https://congresocite.com/en/register&quot;,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://windletteren.substack.com/i/173135501?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff7f93bd6-6911-4e95-8874-8c3e58f02113_1100x220.gif&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" title="" srcset="/__u/substackcdn.com/image/fetch/$s_!MSK_!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff7f93bd6-6911-4e95-8874-8c3e58f02113_1100x220.gif 424w, /__u/substackcdn.com/image/fetch/$s_!MSK_!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff7f93bd6-6911-4e95-8874-8c3e58f02113_1100x220.gif 848w, /__u/substackcdn.com/image/fetch/$s_!MSK_!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff7f93bd6-6911-4e95-8874-8c3e58f02113_1100x220.gif 1272w, /__u/substackcdn.com/image/fetch/$s_!MSK_!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff7f93bd6-6911-4e95-8874-8c3e58f02113_1100x220.gif 1456w" sizes="100vw" loading="lazy"></picture><div></div></div></a></figure></div><p>_</p><h4>New Milestones for ib Vogt in Segovia and Resilience Against Wildfires</h4><p><a href="https://www.ibvogt.com/">ib Vogt</a> in Spain has reached a new milestone with the signing of the PAC (<em>Provisional Acceptance Certificate</em>) for three of its projects within the Segovia Cluster (shared on <a href="https://www.ibvogt.com/">LinkedIn</a>), the largest solar complex developed by the company in the country to date. These projects include <strong>Casta&#241;o Solar (133 MWp), Baobab Solar (95 MWp), and Pato Solar (110 MWp)</strong>, which together contribute more than <strong>330 MWp</strong> of capacity to the electricity system. This reinforces ib Vogt&#8217;s position as one of the major players in the Iberian market.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!4kP7!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb662b98f-c6a9-4e49-a258-b755b07f32fb_2048x1152.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!4kP7!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb662b98f-c6a9-4e49-a258-b755b07f32fb_2048x1152.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!4kP7!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb662b98f-c6a9-4e49-a258-b755b07f32fb_2048x1152.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!4kP7!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb662b98f-c6a9-4e49-a258-b755b07f32fb_2048x1152.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!4kP7!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, 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image&quot;,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="No alternative text description for this image" title="No alternative text description for this image" srcset="/__u/substackcdn.com/image/fetch/$s_!4kP7!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb662b98f-c6a9-4e49-a258-b755b07f32fb_2048x1152.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!4kP7!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb662b98f-c6a9-4e49-a258-b755b07f32fb_2048x1152.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!4kP7!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb662b98f-c6a9-4e49-a258-b755b07f32fb_2048x1152.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!4kP7!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb662b98f-c6a9-4e49-a258-b755b07f32fb_2048x1152.jpeg 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>This success is complemented by news that highlights the importance of <strong>Operation and Maintenance (O&amp;M) and preventive management</strong> in renewable projects. During the recent devastating wildfires that have swept across Spain, <strong>flames reached the boundaries of the Bienvenida plant, a 49 MW</strong> facility located in the province of Badajoz. Thanks to the coordinated work of the O&amp;M team and preventive measures such as perimeter firebreaks, land clearing through the grazing of 700 sheep, and on-site firefighting equipment, the plant not only withstood the flames without damage, but also acted as a barrier, preventing the fire from spreading to nearby infrastructure. A video of this has been shared on <a href="https://www.linkedin.com/posts/ib-vogt-ibv-solar-spain_energaedarenovable-sostenibilidad-transiciaejnenergaeztica-activity-7366744931660488706-OMqm?utm_source=share&amp;utm_medium=member_desktop&amp;rcm=ACoAACRYl3UBmt4av1EIUMbYzMyEz_7ILQZgAag">LinkedIn</a>.</p><div class="native-video-embed" data-component-name="VideoPlaceholder" data-attrs="{&quot;mediaUploadId&quot;:&quot;5d1cc8d7-d8d0-414a-a3eb-8cd2b252f2e7&quot;,&quot;duration&quot;:null}"></div><p>This underscores the <strong>importance of integrating sustainability, prevention, and safety</strong> into every phase of a solar or renewable energy project. Many of you may have heard the myth of wildfires being linked to renewable energy development. For further reading, here is an article by Sergio in <a href="/__u/windletteren.substack.com/i/173135501/wind-turbines-and-wildfires-the-recurring-myth">Windletter #118</a>.</p><p>_</p><h4>Megaprojects on water, whether on marshes or offshore</h4><p>A few days ago, while browsing LinkedIn, I came across a post by <a href="https://www.linkedin.com/posts/gang-wang-44729430_2gw-intertidal-solar-pv-project-in-pingyang-activity-7355293850065600512-i14b?utm_source=share&amp;utm_medium=member_desktop&amp;rcm=ACoAACRYl3UBmt4av1EIUMbYzMyEz_7ILQZgAag">Gang Wang</a>, which was shared with me by <a href="http://linkedin.com/in/sergio-fernandez-munguia-422baa87">Sergio Fern&#225;ndez</a>, that included a video about an alleged <strong>&#8220;2 GW intertidal solar PV project in Pingyang, Wenzhou (Zhejiang).</strong>&#8221; Intrigued, I began to investigate further in order to confirm the information.</p><div class="native-video-embed" data-component-name="VideoPlaceholder" data-attrs="{&quot;mediaUploadId&quot;:&quot;214590ab-b6e8-43c6-9ef4-06b8e135825c&quot;,&quot;duration&quot;:null}"></div><p>What I found is that indeed, <strong>there is a photovoltaic project in the tidal zone in Pingyang (Zhejiang)</strong>, as reported by the local press <a href="http://www.inzhejiang.com/News/202408/t20240813_27040302.shtml">In Zhejiang</a>. It is an innovative installation due to its location, where the solar panels are surrounded by water when the tide rises. However, the capacity of the project is far more modest than the 2 GW mentioned on LinkedIn. Based on the information available, it is closer to one tenth of that capacity.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!bopl!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32237b15-b3f5-48a1-b8c7-b9bdd42a60ce_800x539.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!bopl!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32237b15-b3f5-48a1-b8c7-b9bdd42a60ce_800x539.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!bopl!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32237b15-b3f5-48a1-b8c7-b9bdd42a60ce_800x539.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!bopl!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32237b15-b3f5-48a1-b8c7-b9bdd42a60ce_800x539.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!bopl!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32237b15-b3f5-48a1-b8c7-b9bdd42a60ce_800x539.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!bopl!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32237b15-b3f5-48a1-b8c7-b9bdd42a60ce_800x539.jpeg" width="602" height="405.5975" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/32237b15-b3f5-48a1-b8c7-b9bdd42a60ce_800x539.jpeg&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:539,&quot;width&quot;:800,&quot;resizeWidth&quot;:602,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;PV-farm-above-fishery-in-China&quot;,&quot;title&quot;:&quot;PV-farm-above-fishery-in-China&quot;,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="PV-farm-above-fishery-in-China" title="PV-farm-above-fishery-in-China" srcset="/__u/substackcdn.com/image/fetch/$s_!bopl!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32237b15-b3f5-48a1-b8c7-b9bdd42a60ce_800x539.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!bopl!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32237b15-b3f5-48a1-b8c7-b9bdd42a60ce_800x539.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!bopl!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32237b15-b3f5-48a1-b8c7-b9bdd42a60ce_800x539.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!bopl!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32237b15-b3f5-48a1-b8c7-b9bdd42a60ce_800x539.jpeg 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>The Pingyang plant is relevant due to its pioneering nature, but it does not appear to reach the scale that was claimed.</p><p>Following the trail, I was led to a completely different development: <strong>the 2 GW offshore project announced in 2024</strong> by the <a href="https://en.cnnc.com.cn/">China National Nuclear Corporation</a> (CNNC), also located in Zhejiang. This project does match the scale of a megaproject and is designed to be installed offshore, with the potential to become the largest marine photovoltaic plant in the world.</p><p>Nevertheless, the most solid reports (from <a href="https://www.power-technology.com/news/cnnc-construction-2gw-offshore-solar/?utm_source=chatgpt.com&amp;cf-view&amp;cf-closed">Power Technology</a>, <a href="https://www.globaltimes.cn/page/202405/1312558.shtml">Global Times</a>) date back to mid-2024, and I have not found updates regarding its construction status or commissioning. My impression is that the LinkedIn video conflated two different realities: the existing intertidal project in Pingyang, which is smaller in scale, and the 2 GW offshore project in Zhejiang, which remains in the development stage.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!4YSr!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff3a8a99e-aafd-4c21-a266-170d220c5f2f_1200x720.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!4YSr!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff3a8a99e-aafd-4c21-a266-170d220c5f2f_1200x720.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!4YSr!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff3a8a99e-aafd-4c21-a266-170d220c5f2f_1200x720.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!4YSr!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff3a8a99e-aafd-4c21-a266-170d220c5f2f_1200x720.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!4YSr!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff3a8a99e-aafd-4c21-a266-170d220c5f2f_1200x720.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!4YSr!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff3a8a99e-aafd-4c21-a266-170d220c5f2f_1200x720.jpeg" width="612" height="367.2" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/f3a8a99e-aafd-4c21-a266-170d220c5f2f_1200x720.jpeg&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:720,&quot;width&quot;:1200,&quot;resizeWidth&quot;:612,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;The concept photo of China's largest offshore solar farm in Lianyungang city, East China's Jiangsu Province Photo: Courtesy of China National Nuclear Corporation&quot;,&quot;title&quot;:&quot;The concept photo of China's largest offshore solar farm in Lianyungang city, East China's Jiangsu Province Photo: Courtesy of China National Nuclear Corporation&quot;,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="The concept photo of China's largest offshore solar farm in Lianyungang city, East China's Jiangsu Province Photo: Courtesy of China National Nuclear Corporation" title="The concept photo of China's largest offshore solar farm in Lianyungang city, East China's Jiangsu Province Photo: Courtesy of China National Nuclear Corporation" srcset="/__u/substackcdn.com/image/fetch/$s_!4YSr!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff3a8a99e-aafd-4c21-a266-170d220c5f2f_1200x720.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!4YSr!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff3a8a99e-aafd-4c21-a266-170d220c5f2f_1200x720.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!4YSr!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff3a8a99e-aafd-4c21-a266-170d220c5f2f_1200x720.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!4YSr!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff3a8a99e-aafd-4c21-a266-170d220c5f2f_1200x720.jpeg 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Beyond this specific case, what is clear is China&#8217;s ambition for marine solar energy. <strong>The province of Jiangsu launched a plan in early 2025 to develop 27.3 GW of offshore photovoltaics</strong>, becoming the first region in the world to establish such a large-scale strategy for a type of solar project that remains relatively unexplored but holds significant potential (<a href="https://www.pv-magazine.com/2025/01/02/chinas-jiangsu-province-launches-27-3-gw-offshore-solar-plan/">PV-magazin</a>).</p><p>_</p><h4>Top 30 module manufacturers of the first half of the year</h4><p>Let us take a look at a ranking of the largest maritime shipments of photovoltaic modules, created by <a href="https://www.solarbeglobal.com/top-pv-module-suppliers-by-shipment-in-h1-2025/">SolarBe Global</a>. In the first half of 2025, <strong>Jinko Solar remains the undisputed leader in the global photovoltaic market, with more than 41 GW</strong> of module shipments, consolidating its established position in the industry. The same occurred when we shared the equivalent ranking back in 2023 in <a href="/__u/solarletter.substack.com/i/135779789/top-module-manufacturers-of-the-first-semester">Solarletter #5</a>.</p><p><strong>LONGi </strong>follows closely, having capitalised on the momentum of its BC modules in the distributed market and its strong capacity in tenders to strengthen its market share. Meanwhile, <strong>JA Solar</strong> and <strong>Trina Solar</strong> are in extremely close competition, to the point that they have been jointly classified in the third position, pending mid-year financial reports to determine who ultimately secures a place on the podium.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!aN4J!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F91ec3a1c-6159-4877-8d43-0d10aa75fa6a_721x1024.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!aN4J!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F91ec3a1c-6159-4877-8d43-0d10aa75fa6a_721x1024.png 424w, /__u/substackcdn.com/image/fetch/$s_!aN4J!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F91ec3a1c-6159-4877-8d43-0d10aa75fa6a_721x1024.png 848w, /__u/substackcdn.com/image/fetch/$s_!aN4J!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F91ec3a1c-6159-4877-8d43-0d10aa75fa6a_721x1024.png 1272w, /__u/substackcdn.com/image/fetch/$s_!aN4J!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F91ec3a1c-6159-4877-8d43-0d10aa75fa6a_721x1024.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!aN4J!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F91ec3a1c-6159-4877-8d43-0d10aa75fa6a_721x1024.png" width="585" height="830.8460471567267" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/91ec3a1c-6159-4877-8d43-0d10aa75fa6a_721x1024.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:1024,&quot;width&quot;:721,&quot;resizeWidth&quot;:585,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" title="" srcset="/__u/substackcdn.com/image/fetch/$s_!aN4J!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F91ec3a1c-6159-4877-8d43-0d10aa75fa6a_721x1024.png 424w, /__u/substackcdn.com/image/fetch/$s_!aN4J!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F91ec3a1c-6159-4877-8d43-0d10aa75fa6a_721x1024.png 848w, /__u/substackcdn.com/image/fetch/$s_!aN4J!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F91ec3a1c-6159-4877-8d43-0d10aa75fa6a_721x1024.png 1272w, /__u/substackcdn.com/image/fetch/$s_!aN4J!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F91ec3a1c-6159-4877-8d43-0d10aa75fa6a_721x1024.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>The dominance of these giants is clear: <strong>the top four companies account for more than 46.5% of global sales</strong> in the first half of the year. If Tongwei and Astronergy are included, the group of the top six surpasses 60%, a level that ensures sufficient capacity to meet global demand. By contrast, the companies ranked between 16 and 30 barely reach 11.2% of the total.</p><p>An interesting trend is that several of the highest-ranking companies have begun to reduce their shipment targets, prioritising profitability over volume. This reflects a shift in mindset within the industry, which is beginning to place greater emphasis on long-term development. Ultimately, the real competitiveness of Chinese photovoltaics is not measured solely in gigawatts, but in the ability to sustain solid and balanced growth over time.</p><h4>_</h4><h4><strong>Edition&#180;s <s>microtip</s> curiosity</strong></h4><p>The photovoltaic market is undergoing a clear transition: moving away from <strong>P-Type</strong> cells, which dominated the past decade, and giving way to <strong>N-Type</strong> cells, which are more efficient and durable. But what does this mean in practice, and what are the differences between technologies such as <strong>PERC, TOPCon, and HJT</strong>?</p><p><strong>P-Type</strong> cells are manufactured with boron-doped silicon and form the basis of the well-known <strong>PERC </strong>technology. They are characterised by low cost and mass production, but they face issues of light-induced degradation (LID) and lower resistance in warm climates.</p><div class="subscription-widget-wrap-editor" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe&quot;,&quot;language&quot;:&quot;en&quot;}" data-component-name="SubscribeWidgetToDOM"><div class="subscription-widget show-subscribe"><div class="preamble"><p class="cta-caption">In future editions of the Solarletter, we will examine in more detail the effects of <em>LID </em>and <em>PID </em>degradation. Therefore, do not forget to subscribe if you have not done so already.</p></div><form class="subscription-widget-subscribe"><input type="email" class="email-input" name="email" placeholder="Type your email&#8230;" tabindex="-1"><input type="submit" class="button primary" value="Subscribe"><div class="fake-input-wrapper"><div class="fake-input"></div><div class="fake-button"></div></div></form></div></div><p><strong>N-Type</strong> cells, doped with phosphorus, do not suffer from these problems and offer better temperature coefficients, lower annual degradation, and higher efficiency. They form the basis of the most advanced technologies such as <strong>TOPCon </strong>and <strong>HJT</strong>.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!fN3L!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc79c96ad-5d7e-4407-872f-299448efd419_1592x757.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!fN3L!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc79c96ad-5d7e-4407-872f-299448efd419_1592x757.png 424w, /__u/substackcdn.com/image/fetch/$s_!fN3L!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc79c96ad-5d7e-4407-872f-299448efd419_1592x757.png 848w, /__u/substackcdn.com/image/fetch/$s_!fN3L!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc79c96ad-5d7e-4407-872f-299448efd419_1592x757.png 1272w, /__u/substackcdn.com/image/fetch/$s_!fN3L!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, 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/__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc79c96ad-5d7e-4407-872f-299448efd419_1592x757.png 424w, /__u/substackcdn.com/image/fetch/$s_!fN3L!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc79c96ad-5d7e-4407-872f-299448efd419_1592x757.png 848w, /__u/substackcdn.com/image/fetch/$s_!fN3L!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc79c96ad-5d7e-4407-872f-299448efd419_1592x757.png 1272w, /__u/substackcdn.com/image/fetch/$s_!fN3L!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc79c96ad-5d7e-4407-872f-299448efd419_1592x757.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Here are the main technologies in the market:</p><ul><li><p><strong>PERC</strong>: the economical option, widely adopted in the market. Good performance, but higher degradation and shorter lifetime.</p></li><li><p><strong>TOPCon</strong>: the &#8220;middle ground&#8221; solution. High efficiency (24&#8211;25%), low degradation, and lower costs compared to HJT.</p></li><li><p><strong>HJT</strong>: the technological benchmark. Efficiency up to 25%, excellent temperature coefficient, and a lifetime of more than 30 years with over 90% capacity retained. Its challenge lies in manufacturing cost.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!_gvc!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb8016b47-da78-4549-82bb-0c4444ff7713_1632x820.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!_gvc!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb8016b47-da78-4549-82bb-0c4444ff7713_1632x820.png 424w, /__u/substackcdn.com/image/fetch/$s_!_gvc!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb8016b47-da78-4549-82bb-0c4444ff7713_1632x820.png 424w, /__u/substackcdn.com/image/fetch/$s_!_gvc!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb8016b47-da78-4549-82bb-0c4444ff7713_1632x820.png 848w, /__u/substackcdn.com/image/fetch/$s_!_gvc!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb8016b47-da78-4549-82bb-0c4444ff7713_1632x820.png 1272w, /__u/substackcdn.com/image/fetch/$s_!_gvc!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb8016b47-da78-4549-82bb-0c4444ff7713_1632x820.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div></li></ul><div><hr></div><p>That concludes the edition. I hope you enjoyed and it made your coffee break, public transportation ride, or nap more enjoyable. <strong>If you have any suggestions, recommendations, or comments, feel free to reply to this email</strong>.</p><p>If you liked it, help me give it a boost by <strong>sharing it on your social media, with your friends, or coworkers</strong>. And if you did not like it, I apologize, but returns are not accepted.</p><div class="captioned-button-wrap" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-27_en-solar-cannibalization?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="CaptionedButtonToDOM"><div class="preamble"><p class="cta-caption">Thank you for reading Solarletter. This post is public so feel free to share it.</p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-27_en-solar-cannibalization?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-27_en-solar-cannibalization?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Abonnieren jetzt&quot;,&quot;action&quot;:null,&quot;class&quot;:&quot;button-wrapper&quot;}" data-component-name="ButtonCreateButton"><a class="button primary button-wrapper" href="/__u/solarletter.substack.com/subscribe"><span>Abonnieren jetzt</span></a></p><p>Sunny Regards!</p>]]></content:encoded></item><item><title><![CDATA[Solarletter #27_ES - Canibalización fotovoltaica: España vs Alemania]]></title><description><![CDATA[Tambi&#233;n: Nuevos hitos de ib Vogt en Segovia y resiliencia frente a incendios, Megaproyectos sobre el agua, ya sean sobre marismas u offshore y Top 30 del primer semestre de los fabricantes de m&#243;dulos]]></description><link>https://solarletter.substack.com/p/solarletter-27_es-canibalizacion</link><guid isPermaLink="false">https://solarletter.substack.com/p/solarletter-27_es-canibalizacion</guid><dc:creator><![CDATA[Imanol Matanza Medina]]></dc:creator><pubDate>Fri, 12 Sep 2025 08:00:54 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!bopl!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32237b15-b3f5-48a1-b8c7-b9bdd42a60ce_800x539.jpeg" length="0" type="image/jpeg"/><content:encoded><![CDATA[<p>Hola a todos y bienvenidos de nuevo a Solarletter. Mi nombre es <a href="https://www.linkedin.com/in/imanol-matanza-medina-305271150/">Imanol Matanza</a> y trato de compartir contigo las <strong>&#250;ltimas noticias, avances tecnol&#243;gicos y tendencias en el campo de la energ&#237;a fotovoltaica</strong>. A trav&#233;s de Solarletter, espero aportarte <strong>informaci&#243;n valiosa, an&#225;lisis de mercado, estado del arte y peque&#241;os consejos pr&#225;cticos</strong> que te ayudar&#225;n a mantenerte al tanto de los desarrollos m&#225;s recientes en la industria fotovoltaica. </p><p>Otra vez me retraso en la publicaci&#243;n de la Solarletter. Pero este a&#241;o est&#225; siendo bastante intenso. Me he casado este verano, nos hemos comprado una casa y los proyectos no dan tregua. Despu&#233;s de estas vacaciones, traemos algo nuevo, as&#237; que si no te lo siquieres perder, no olvides en subscribirte.</p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/subscribe"><span>Subscribe now</span></a></p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-27_es-canibalizacion?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-27_es-canibalizacion?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p><p>Siempre estoy abierto a sugerencias, preguntas y comentarios, as&#237; que no dudes en contactarme. &#161;Si te gusta, no dudes en subscribirte y compartirla!</p><p>Ahora s&#237;, vamos con un par de noticias interesantes!</p><div><hr></div><h4>Canibalizaci&#243;n fotovoltaica: Espa&#241;a vs Alemania</h4><p>El otro d&#237;a  me compartieron un interesante post de <a href="https://www.linkedin.com/posts/zach-williams-a129bb166_solar-cannibalisation-when-solar-eats-activity-7363881965491482624-7l6F/?utm_medium=ios_app&amp;rcm=ACoAACRYl3UBmt4av1EIUMbYzMyEz_7ILQZgAag&amp;utm_source=social_share_send&amp;utm_campaign=share_via">LinkedIn</a> de <a href="https://www.linkedin.com/in/zach-williams-a129bb166/">Zach Williams</a> en el que habla y compara de la canibalizaci&#243;n de la energ&#237;a fotovoltaica en el mercado el&#233;ctrico de Espa&#241;a y Alemania, dos pa&#237;ses a los cuales sigo muy de cerca. Para los que a&#250;n no me conoc&#233;is, soy de Bilbao, pero vivo desde hace 7 a&#241;os en Alemania, actualmente en Fr&#225;ncfort. </p><p>El post resume el art&#237;culo publicado en <a href="https://modoenergy.com/research/germany-2025-solar-cannibalisation-glut-subsidies-power-prices-bess">Modo Energy</a>.  En &#233;l nos cuentan que la <strong>potencia fotovoltaica instalada en Alemania ha superado los 100 GW</strong>. Pero la <strong>demanda pico en verano rara vez excede los 60 GW</strong>. En los d&#237;as soleados, la fotovoltaica inunda el mercado y hunde los precios.</p><p>El impacto ya es visible en la econom&#237;a de los proyectos que operan bajo condiciones &#8220;<em>merchant</em>&#8221; (sin tarifas aseguradas). Sin embargo, les salva que el <strong>90 % de los proyectos en Alemania</strong> <strong>cuentan con subvenciones al estilo </strong><em><strong>feed-in tariff</strong></em>, y esos pagos los cubre el presupuesto federal.</p><p>La <strong>tasa de captura fotovoltaica (</strong><em>capture rate</em><strong>) cay&#243; de 98 % a 54 % en menos de tres a&#241;os</strong>. La tasa de captura fotovoltaica mide el precio promedio que reciben los generadores solares con relaci&#243;n al precio promedio del mercado. </p><blockquote><p><em>Aqu&#237; hago un peque&#241;o inciso. Para los que me leeis desde Espa&#241;a, seguramente os suene m&#225;s el t&#233;rmino del apuntamiento fotovoltaico. Ambos indicadores se usan para mostrar lo mismo, la canibalizaci&#243;n de los precios de la energ&#237;a fotovoltaica. En <a href="/__u/solarletter.substack.com/i/154201681/el-almacenamiento-el-futuro-de-la-fotovoltaica">Solarletter #22</a>, ya hablamos por primera vez de estos t&#233;rminos.</em></p></blockquote><p>En lo que va de 2025, ese valor ha sido de alrededor del 54 %, muy por debajo del 98 % que se registraba en 2022.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!TXOz!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f37aa56-cc9d-4e11-b275-b9104fb181b7_1467x1185.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!TXOz!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f37aa56-cc9d-4e11-b275-b9104fb181b7_1467x1185.png 424w, /__u/substackcdn.com/image/fetch/$s_!TXOz!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f37aa56-cc9d-4e11-b275-b9104fb181b7_1467x1185.png 848w, /__u/substackcdn.com/image/fetch/$s_!TXOz!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f37aa56-cc9d-4e11-b275-b9104fb181b7_1467x1185.png 1272w, /__u/substackcdn.com/image/fetch/$s_!TXOz!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f37aa56-cc9d-4e11-b275-b9104fb181b7_1467x1185.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!TXOz!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f37aa56-cc9d-4e11-b275-b9104fb181b7_1467x1185.png" width="1456" height="1176" 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f37aa56-cc9d-4e11-b275-b9104fb181b7_1467x1185.png 424w, /__u/substackcdn.com/image/fetch/$s_!TXOz!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f37aa56-cc9d-4e11-b275-b9104fb181b7_1467x1185.png 848w, /__u/substackcdn.com/image/fetch/$s_!TXOz!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f37aa56-cc9d-4e11-b275-b9104fb181b7_1467x1185.png 1272w, /__u/substackcdn.com/image/fetch/$s_!TXOz!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f37aa56-cc9d-4e11-b275-b9104fb181b7_1467x1185.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Se observa un patr&#243;n estacional claro: en mayo y junio, las tasas mensuales de captura bajaron a valores tan bajos como 0,43 y 0,44.</p><p>Parte del problema reside en la situaci&#243;n geogr&#225;fica de Alemania, su latitud hace que la mayor parte de la generaci&#243;n se concentre en los meses de verano. <strong>El a&#241;o pasado, el 43 % de la producci&#243;n solar se concentr&#243; en solo tres meses: junio, julio y agosto</strong>. Dado el dise&#241;o de los paneles solares con orientaci&#243;n sur y la latitud alemana, cada gigavatio instalado produce mucho m&#225;s en verano.</p><p>Adem&#225;s, a esto se le suma que <strong>la demanda al mediod&#237;a ha ido cayendo</strong> alrededor de 1 GW al a&#241;o, mientras que <strong>la producci&#243;n solar sigue el camino contrario y ha aumentado</strong> en cerca de 3 GW.</p><p>El mercado diario (<em>day-ahead</em>) alem&#225;n funciona mediante subasta &#8220;<em>pay-as-cleared</em>&#8221;, es decir, es un mercado marginal al igual que el espa&#241;ol. Los generadores ofertan bas&#225;ndose en sus costos, y los m&#225;s baratos se aceptan hasta cubrir la demanda. Al final, todos los generadores acaban recibiendo lo mismo que lo ofertado por el &#250;ltimo generador que cerr&#243; la demanda.</p><p><strong>El precio m&#237;nimo (</strong><em><strong>floor price</strong></em><strong>) del mercado puede llegar a - &#8364;500/MWh</strong>. Si, hab&#233;is le&#237;do bien, se pueden hacer ofertas con precios negativos. Energ&#237;as renovables subvencionadas y activos obligatorios (<em>must-run, </em>como la nuclear) suelen ofertar a ese precio para garantizar su producci&#243;n.</p><p>Lo incre&#237;ble reisde en que en los &#250;ltimos cinco a&#241;os, se han a&#241;adido unos 11 GW adicionales de potencia que ofertan a precios negativos durante el d&#237;a.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!HhRN!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F44ebb3b0-c707-4f7c-a730-bd8e993a559d_1480x1192.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!HhRN!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F44ebb3b0-c707-4f7c-a730-bd8e993a559d_1480x1192.png 424w, /__u/substackcdn.com/image/fetch/$s_!HhRN!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F44ebb3b0-c707-4f7c-a730-bd8e993a559d_1480x1192.png 848w, /__u/substackcdn.com/image/fetch/$s_!HhRN!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F44ebb3b0-c707-4f7c-a730-bd8e993a559d_1480x1192.png 1272w, /__u/substackcdn.com/image/fetch/$s_!HhRN!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F44ebb3b0-c707-4f7c-a730-bd8e993a559d_1480x1192.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p><strong>Espa&#241;a cubre un 18 % de su demanda a trav&#233;s de la energ&#237;a fotovoltaica, mientras que Alemania tan s&#243;lo el 10 %.</strong> A&#250;n as&#237;, las tasas de captura son casi id&#233;nticas. La diferencia est&#225; en la estacionalidad y en los patrones de demanda: </p><ul><li><p>En Espa&#241;a el perfil de producci&#243;n es m&#225;s plano y la demanda crece en verano debido a la necesidades del aire acondicionado.</p></li><li><p>En Alemania, la mayor producci&#243;n cae en los meses de verano, cuando la demanda tambi&#233;n cae.</p></li></ul><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!kdRb!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe952e44f-f361-4cb7-a4b9-7bc58465a58e_1470x1187.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!kdRb!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe952e44f-f361-4cb7-a4b9-7bc58465a58e_1470x1187.png 424w, /__u/substackcdn.com/image/fetch/$s_!kdRb!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe952e44f-f361-4cb7-a4b9-7bc58465a58e_1470x1187.png 848w, /__u/substackcdn.com/image/fetch/$s_!kdRb!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe952e44f-f361-4cb7-a4b9-7bc58465a58e_1470x1187.png 1272w, /__u/substackcdn.com/image/fetch/$s_!kdRb!, 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe952e44f-f361-4cb7-a4b9-7bc58465a58e_1470x1187.png 424w, /__u/substackcdn.com/image/fetch/$s_!kdRb!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe952e44f-f361-4cb7-a4b9-7bc58465a58e_1470x1187.png 848w, /__u/substackcdn.com/image/fetch/$s_!kdRb!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe952e44f-f361-4cb7-a4b9-7bc58465a58e_1470x1187.png 1272w, /__u/substackcdn.com/image/fetch/$s_!kdRb!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe952e44f-f361-4cb7-a4b9-7bc58465a58e_1470x1187.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>&#191;Por qu&#233; Alemania sigue entonces construyendo proyectos fotovoltaicos aunque los retornos se reduzcan? Tal y como hemos comentado arriba, m&#225;s del 90 % de los parques funcionan con <em>feed-in tariffs </em>o<em> </em>primas de mercado garantizadas, lo que asegura ingresos incluso cuando los precios se colapsan.</p><p>Es m&#225;s, desde 2017, la nueva capacidad ha salido v&#237;a subastas o trav&#233;s de PPAs (<em>En <a href="/__u/solarletter.substack.com/i/141322942/espana-el-pais-preferido-por-los-ppas-en-europa">Solarletter #13</a> ya mostramos c&#243;mo en 2023, Alemania ya era el segundo pa&#237;s de la UE para este tipo de acuerdos</em>). Sin embargo, a medida que bajan las tasas de captura, la brecha entre los ingresos reales de los proyectos y lo que cubren los subsidios crece. Esto genera presi&#243;n para reformar los subsidios y pone al almacenamiento como pieza central de la viabilidad futura.</p><p><strong>El objetivo alem&#225;n de 2030 pasa por disponer de 215 GW</strong> de potencia fotovoltaica. Es decir, esto s&#243;lo puede ir a peor. Las bater&#237;as apuntan como la respuesta inevitable: almacenar energ&#237;a barata al mediod&#237;a para llevarla a los momentos de alta demanda.</p><div class="native-video-embed" data-component-name="VideoPlaceholder" data-attrs="{&quot;mediaUploadId&quot;:&quot;0e46f818-df2b-458c-8ff3-075cfbe23a53&quot;,&quot;duration&quot;:null}"></div><p>Para los consumidores, el almacenamiento puede significar menores costes si se hacen bien las cosas. Para los inversores, la seguridad que ya no aporta el mercado.</p><blockquote><h4><strong>Congreso CITE25 - El punto de encuentro de la industria renovable</strong></h4><p>Pamplona acoger&#225; el pr&#243;ximo d&#237;a 23 de octubre el IV Congreso Internacional de la Industria para la Transici&#243;n Energ&#233;tica (CITE25) <strong>organizado por Enercluster</strong>.</p><p>El congreso abordar&#225; tecnolog&#237;as clave como la energ&#237;a e&#243;lica, solar, almacenamiento e hidr&#243;geno verde, y tratar&#225; tem&#225;ticas como los retos de la industria renovable europea en un contexto global, nuevas legislaciones nacionales y europeas, tendencias tecnol&#243;gicas y la relaci&#243;n entre renovables y sociedad.</p><p>Pod&#233;is consultar el plantel de ponentes <a href="https://congresocite.com/ponentes">aqu&#237;</a> y la agenda de la jornada <a href="https://congresocite.com/agenda">aqu&#237;</a>. Adem&#225;s, todas las novedades sobre el evento se van anunciando a trav&#233;s de <a href="https://www.linkedin.com/company/cite-congresorenovables/">la p&#225;gina de LinkedIn del Congreso CITE</a>.</p><p>&#127903;&#65039; Puedes <strong><a href="https://congresocite.com/registrate">conseguir tu entrada</a></strong> haciendo clic en el banner que encontrar&#233;is justo debajo.</p></blockquote><div class="captioned-image-container"><figure><a class="image-link image2" target="_blank" href="https://congresocite.com/registrate" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!rJ1T!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, 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/__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F07bfeec6-8de9-4366-aec4-2486de592f75_1100x220.webp 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!rJ1T!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F07bfeec6-8de9-4366-aec4-2486de592f75_1100x220.webp" width="1100" height="220" 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/__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F07bfeec6-8de9-4366-aec4-2486de592f75_1100x220.webp 424w, /__u/substackcdn.com/image/fetch/$s_!rJ1T!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F07bfeec6-8de9-4366-aec4-2486de592f75_1100x220.webp 848w, /__u/substackcdn.com/image/fetch/$s_!rJ1T!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F07bfeec6-8de9-4366-aec4-2486de592f75_1100x220.webp 1272w, /__u/substackcdn.com/image/fetch/$s_!rJ1T!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F07bfeec6-8de9-4366-aec4-2486de592f75_1100x220.webp 1456w" sizes="100vw" loading="lazy"></picture><div></div></div></a></figure></div><p>_</p><h4><strong>Nuevos hitos de ib Vogt en Segovia y resiliencia frente a incendios</strong></h4><p><a href="https://www.ibvogt.com/">ib Vogt</a> en Espa&#241;a marca un nuevo hito con la firma del PAC (<em>Provisional Acceptance Certificate</em><strong>)</strong> de tres de sus proyectos del Cl&#250;ster Segovia (visto en <a href="https://www.ibvogt.com/">LinkedIn</a>), el mayor conjunto solar que ha desarrollado en el pa&#237;s hasta la fecha. Se trata de <strong>Casta&#241;o Solar (133 MWp)</strong>, <strong>Baobab Solar (95 MWp)</strong> y <strong>Pato Solar (110 MWp)</strong>, que en conjunto aportan m&#225;s de <strong>330 MWp</strong> de potencia al sistema el&#233;ctrico. Esto refuerza la posici&#243;n de ib vogt como uno de los grandes actores del mercado en la pen&#237;nsula.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!4kP7!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb662b98f-c6a9-4e49-a258-b755b07f32fb_2048x1152.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!4kP7!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb662b98f-c6a9-4e49-a258-b755b07f32fb_2048x1152.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!4kP7!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb662b98f-c6a9-4e49-a258-b755b07f32fb_2048x1152.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!4kP7!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb662b98f-c6a9-4e49-a258-b755b07f32fb_2048x1152.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!4kP7!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb662b98f-c6a9-4e49-a258-b755b07f32fb_2048x1152.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!4kP7!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb662b98f-c6a9-4e49-a258-b755b07f32fb_2048x1152.jpeg" width="602" height="338.625" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/b662b98f-c6a9-4e49-a258-b755b07f32fb_2048x1152.jpeg&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:819,&quot;width&quot;:1456,&quot;resizeWidth&quot;:602,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;No alternative text description for this image&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="No alternative text description for this image" title="No alternative text description for this image" srcset="/__u/substackcdn.com/image/fetch/$s_!4kP7!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb662b98f-c6a9-4e49-a258-b755b07f32fb_2048x1152.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!4kP7!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb662b98f-c6a9-4e49-a258-b755b07f32fb_2048x1152.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!4kP7!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb662b98f-c6a9-4e49-a258-b755b07f32fb_2048x1152.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!4kP7!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb662b98f-c6a9-4e49-a258-b755b07f32fb_2048x1152.jpeg 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>A este &#233;xito se suma una noticia que pone en valor la importancia de la <strong>Operaci&#243;n y Mantenimiento (O&amp;M) y de la gesti&#243;n preventiva </strong>en los proyectos renovables. Durante los terribles incendios forestales que han azotado las &#250;ltimas semanas en Espa&#241;a, <strong>las llamas alcanzaron los l&#237;mites de la planta de Bienvenida  de 49 MW</strong>, en la provincia de Badajoz. Gracias al trabajo coordinado del equipo de O&amp;M y a medidas preventivas como cortafuegos perimetrales, desbroce mediante pastoreo de 700 ovejas y equipamiento antiincendios in situ, la planta no solo resisti&#243; sin da&#241;os, sino que actu&#243; como barrera frente al fuego, evitando que se extendiera hacia infraestructuras cercanas. En <a href="https://www.linkedin.com/posts/ib-vogt-ibv-solar-spain_energaedarenovable-sostenibilidad-transiciaejnenergaeztica-activity-7366744931660488706-OMqm?utm_source=share&amp;utm_medium=member_desktop&amp;rcm=ACoAACRYl3UBmt4av1EIUMbYzMyEz_7ILQZgAag">LinkedIn </a>comparten un v&#237;deo:</p><div class="native-video-embed" data-component-name="VideoPlaceholder" data-attrs="{&quot;mediaUploadId&quot;:&quot;7656c405-e317-4537-8d8b-9fe2ea5b9803&quot;,&quot;duration&quot;:null}"></div><p>Esto refleja la <strong>importancia de integrar sostenibilidad, prevenci&#243;n y seguridad</strong> en cada fase de un proyecto fotovoltaico y renovable en general. Seguro que a vosotros os ha llegado el mito de los incendios para construir renovables. Para vosotros, os dejo este art&#237;culo de Sergio en <a href="/__u/windletter.substack.com/i/172108268/aerogeneradores-e-incendios-la-mentira-recurrente">Windletter #118</a>.</p><p>_</p><h4><strong>Megaproyectos sobre el agua, ya sean sobre marismas u offshore</strong></h4><p>Hace unos d&#237;as, navegando por LinkedIn, me encontr&#233; con un post de <a href="https://www.linkedin.com/posts/gang-wang-44729430_2gw-intertidal-solar-pv-project-in-pingyang-activity-7355293850065600512-i14b?utm_source=share&amp;utm_medium=member_desktop&amp;rcm=ACoAACRYl3UBmt4av1EIUMbYzMyEz_7ILQZgAag">Gang Wang</a>, que <a href="http://linkedin.com/in/sergio-fernandez-munguia-422baa87">Sergio Fern&#225;ndez</a> comparti&#243; conmigo, en el que compart&#237;a un v&#237;deo sobre un supuesto <strong>&#8220;2 GW intertidal solar PV project en Pingyang, Wenzhou (Zhejiang)&#8221;</strong>. Intrigado, empec&#233; a investigar un poco m&#225;s a fondo para confirmar la informaci&#243;n.</p><div class="native-video-embed" data-component-name="VideoPlaceholder" data-attrs="{&quot;mediaUploadId&quot;:&quot;c4b15888-ae37-4fca-b770-8fcefb75e12b&quot;,&quot;duration&quot;:null}"></div><p>Lo que encontr&#233; es que, efectivamente, <strong>en Pingyang (Zhejiang) existe un proyecto fotovoltaico en la zona de marismas</strong>, como recogi&#243; la prensa local <a href="http://www.inzhejiang.com/News/202408/t20240813_27040302.shtml">In Zhejiang</a>. Se trata de una instalaci&#243;n innovadora por su ubicaci&#243;n, donde los paneles fotovoltaicos quedan rodeados por agua cuando sube la marea. Sin embargo, la capacidad del proyecto es mucho m&#225;s modesta que los 2 GW mencionados en LinkedIn, por lo que he podido encontrar, se trata de una d&#233;cima parte. </p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!bopl!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32237b15-b3f5-48a1-b8c7-b9bdd42a60ce_800x539.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!bopl!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32237b15-b3f5-48a1-b8c7-b9bdd42a60ce_800x539.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!bopl!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32237b15-b3f5-48a1-b8c7-b9bdd42a60ce_800x539.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!bopl!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32237b15-b3f5-48a1-b8c7-b9bdd42a60ce_800x539.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!bopl!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32237b15-b3f5-48a1-b8c7-b9bdd42a60ce_800x539.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!bopl!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32237b15-b3f5-48a1-b8c7-b9bdd42a60ce_800x539.jpeg" width="602" height="405.5975" 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/__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32237b15-b3f5-48a1-b8c7-b9bdd42a60ce_800x539.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!bopl!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32237b15-b3f5-48a1-b8c7-b9bdd42a60ce_800x539.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!bopl!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32237b15-b3f5-48a1-b8c7-b9bdd42a60ce_800x539.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!bopl!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32237b15-b3f5-48a1-b8c7-b9bdd42a60ce_800x539.jpeg 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>La planta de Pingyang es relevante por su car&#225;cter pionero, pero no parece alcanzar la escala mencionada.</p><p>Al seguir el hilo, la pista me llev&#243; a otro desarrollo completamente distinto: el <strong>proyecto offshore de 2 GW</strong> anunciado en 2024 por la <a href="https://en.cnnc.com.cn/">China National Nuclear Corporation</a> (CNNC), tambi&#233;n en Zhejiang. Este s&#237; corresponde a un megaproyecto dise&#241;ado para instalarse en aguas <em>offshore</em>, con el potencial de convertirse en el mayor parque fotovoltaico marino del mundo. </p><p>No obstante, las noticias m&#225;s s&#243;lidas (<a href="https://www.power-technology.com/news/cnnc-construction-2gw-offshore-solar/?utm_source=chatgpt.com&amp;cf-view&amp;cf-closed">Power Technology</a>, <a href="https://www.globaltimes.cn/page/202405/1312558.shtml">Global Times</a>) datan de mediados de 2024, y no he encontrado actualizaciones sobre su estado de construcci&#243;n o puesta en marcha. Me da la sensaci&#243;n que el v&#237;deo de LinkedIn mezcl&#243; ambas realidades: un proyecto en Pingyang instalado en marismas que existe pero con una capacidad menor, y el proyecto offshore de 2 GW en Zhejiang que sigue en fase de desarrollo.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!4YSr!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff3a8a99e-aafd-4c21-a266-170d220c5f2f_1200x720.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!4YSr!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff3a8a99e-aafd-4c21-a266-170d220c5f2f_1200x720.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!4YSr!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff3a8a99e-aafd-4c21-a266-170d220c5f2f_1200x720.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!4YSr!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff3a8a99e-aafd-4c21-a266-170d220c5f2f_1200x720.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!4YSr!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff3a8a99e-aafd-4c21-a266-170d220c5f2f_1200x720.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!4YSr!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff3a8a99e-aafd-4c21-a266-170d220c5f2f_1200x720.jpeg" width="612" height="367.2" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/f3a8a99e-aafd-4c21-a266-170d220c5f2f_1200x720.jpeg&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:720,&quot;width&quot;:1200,&quot;resizeWidth&quot;:612,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;The concept photo of China's largest offshore solar farm in Lianyungang city, East China's Jiangsu Province Photo: Courtesy of China National Nuclear Corporation&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="The concept photo of China's largest offshore solar farm in Lianyungang city, East China's Jiangsu Province Photo: Courtesy of China National Nuclear Corporation" title="The concept photo of China's largest offshore solar farm in Lianyungang city, East China's Jiangsu Province Photo: Courtesy of China National Nuclear Corporation" srcset="/__u/substackcdn.com/image/fetch/$s_!4YSr!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff3a8a99e-aafd-4c21-a266-170d220c5f2f_1200x720.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!4YSr!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff3a8a99e-aafd-4c21-a266-170d220c5f2f_1200x720.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!4YSr!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff3a8a99e-aafd-4c21-a266-170d220c5f2f_1200x720.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!4YSr!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff3a8a99e-aafd-4c21-a266-170d220c5f2f_1200x720.jpeg 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>M&#225;s all&#225; de este caso puntual, lo que s&#237; est&#225; claro es la ambici&#243;n de China con la solar marina. <strong>La provincia de Jiangsu lanz&#243; a principios de 2025 un plan para desarrollar 27,3 GW de fotovoltaica offshore</strong>, convirti&#233;ndose en la primera regi&#243;n del mundo en estructurar una estrategia de tal envergadura para un tipo de proyecto fotovoltaico poco explorado, pero con gran potencial (<a href="https://www.pv-magazine.com/2025/01/02/chinas-jiangsu-province-launches-27-3-gw-offshore-solar-plan/">PV-magazine</a>).</p><p>_</p><h4><strong>Top 30 del primer semestre de los fabricantes de m&#243;dulos</strong></h4><p>Vamos ahora con un R&#225;nking de los mayores env&#237;os mar&#237;timos de m&#243;dulos fotovoltaicos. Creado por <a href="https://www.solarbeglobal.com/top-pv-module-suppliers-by-shipment-in-h1-2025/">SolarBe Global</a>. En el primer semestre de 2025, <strong>Jinko Solar se mantiene como l&#237;der indiscutible</strong> <strong>en el mercado fotovoltaico mundial, con m&#225;s de 41 GW</strong> de env&#237;os de m&#243;dulos, lo que confirma su posici&#243;n consolidada en la industria. Lo mismo que cuando compartimos el mismo R&#225;nking en 2023 en <a href="/__u/solarletter.substack.com/i/135779398/top-del-primer-semestre-de-fabricantes-de-modulos">Solarletter #5</a>. </p><p>Le sigue de cerca <strong>LONGi</strong>, que ha aprovechado el impulso de sus m&#243;dulos BC en el mercado distribuido y su fuerte capacidad en licitaciones para reforzar su cuota. Por su parte, <strong>JA Solar y Trina Solar</strong> se encuentran en una competencia muy ajustada, al punto que han sido clasificadas de manera conjunta en la tercera posici&#243;n, a la espera de que los informes financieros de mitad de a&#241;o permitan definir qui&#233;n ocupa finalmente el podio.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!aN4J!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F91ec3a1c-6159-4877-8d43-0d10aa75fa6a_721x1024.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!aN4J!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F91ec3a1c-6159-4877-8d43-0d10aa75fa6a_721x1024.png 424w, /__u/substackcdn.com/image/fetch/$s_!aN4J!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F91ec3a1c-6159-4877-8d43-0d10aa75fa6a_721x1024.png 848w, /__u/substackcdn.com/image/fetch/$s_!aN4J!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F91ec3a1c-6159-4877-8d43-0d10aa75fa6a_721x1024.png 1272w, /__u/substackcdn.com/image/fetch/$s_!aN4J!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F91ec3a1c-6159-4877-8d43-0d10aa75fa6a_721x1024.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!aN4J!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F91ec3a1c-6159-4877-8d43-0d10aa75fa6a_721x1024.png" width="585" height="830.8460471567267" 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/__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F91ec3a1c-6159-4877-8d43-0d10aa75fa6a_721x1024.png 424w, /__u/substackcdn.com/image/fetch/$s_!aN4J!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F91ec3a1c-6159-4877-8d43-0d10aa75fa6a_721x1024.png 848w, /__u/substackcdn.com/image/fetch/$s_!aN4J!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F91ec3a1c-6159-4877-8d43-0d10aa75fa6a_721x1024.png 1272w, /__u/substackcdn.com/image/fetch/$s_!aN4J!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F91ec3a1c-6159-4877-8d43-0d10aa75fa6a_721x1024.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>El peso de estos gigantes es evidente: <strong>las cuatro primeras compa&#241;&#237;as concentran m&#225;s del 46,5% de las ventas globales</strong> en la primera mitad del a&#241;o. Si se suman Tongwei y Astronergy, el grupo de las seis mayores supera el 60%, un nivel que garantiza capacidad suficiente para abastecer la demanda mundial. Mientras tanto, las empresas que ocupan los puestos 16 al 30 apenas alcanzan el 11,2% del total.</p><p>Una tendencia interesante es que varias de las empresas mejor posicionadas han comenzado a reducir sus objetivos de env&#237;os, priorizando la rentabilidad sobre el volumen. Esto refleja un cambio de mentalidad en la industria, que empieza a poner mayor &#233;nfasis en el desarrollo a largo plazo. Al final, la competitividad real de la fotovoltaica china no se mide &#250;nicamente en gigavatios, sino en su capacidad para sostener un crecimiento s&#243;lido y equilibrado en el tiempo.</p><h4>_</h4><h4><strong><s>El consejillo</s> La curiosidad de la edici&#243;n</strong></h4><p>El mercado fotovoltaico est&#225; viviendo una transici&#243;n clara: dejar atr&#225;s las c&#233;lulas <strong>P-Type</strong>, dominantes en la &#250;ltima d&#233;cada, para dar paso a las <strong>N-Type</strong>, m&#225;s eficientes y duraderas. Pero, &#191;qu&#233; implica esto en la pr&#225;ctica y qu&#233; diferencias hay entre tecnolog&#237;as como <strong>PERC, TOPCon y HJT</strong>?</p><p>Las c&#233;lulas <strong>P-Type</strong> est&#225;n fabricadas con silicio dopado con boro y son la base de la conocida tecnolog&#237;a <strong>PERC</strong>. Se caracterizan por ser baratas y de producci&#243;n masiva, pero presentan problemas de degradaci&#243;n inducida por la luz (LID) y menor resistencia en climas c&#225;lidos.</p><div class="subscription-widget-wrap-editor" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe&quot;,&quot;language&quot;:&quot;en&quot;}" data-component-name="SubscribeWidgetToDOM"><div class="subscription-widget show-subscribe"><div class="preamble"><p class="cta-caption">En futuras ediciones de la Solarletter, nos meteremos m&#225;s en detalle en las degradaciones por <em>LID </em>y <em>PID</em>. As&#237; que no olvides en subscribirte si a&#250;n no lo has hecho:</p></div><form class="subscription-widget-subscribe"><input type="email" class="email-input" name="email" placeholder="Type your email&#8230;" tabindex="-1"><input type="submit" class="button primary" value="Subscribe"><div class="fake-input-wrapper"><div class="fake-input"></div><div class="fake-button"></div></div></form></div></div><p>Las <strong>N-Type</strong>, dopadas con f&#243;sforo, no sufren esos problemas y ofrecen mejores coeficientes de temperatura, menor degradaci&#243;n anual y mayor eficiencia. Son la base de las tecnolog&#237;as m&#225;s punteras como <strong>TOPCon</strong> y <strong>HJT</strong>.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!fN3L!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc79c96ad-5d7e-4407-872f-299448efd419_1592x757.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!fN3L!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc79c96ad-5d7e-4407-872f-299448efd419_1592x757.png 424w, /__u/substackcdn.com/image/fetch/$s_!fN3L!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc79c96ad-5d7e-4407-872f-299448efd419_1592x757.png 848w, /__u/substackcdn.com/image/fetch/$s_!fN3L!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc79c96ad-5d7e-4407-872f-299448efd419_1592x757.png 1272w, /__u/substackcdn.com/image/fetch/$s_!fN3L!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc79c96ad-5d7e-4407-872f-299448efd419_1592x757.png 424w, /__u/substackcdn.com/image/fetch/$s_!fN3L!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc79c96ad-5d7e-4407-872f-299448efd419_1592x757.png 848w, /__u/substackcdn.com/image/fetch/$s_!fN3L!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc79c96ad-5d7e-4407-872f-299448efd419_1592x757.png 1272w, /__u/substackcdn.com/image/fetch/$s_!fN3L!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc79c96ad-5d7e-4407-872f-299448efd419_1592x757.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Aqu&#237; las tecnolog&#237;as principales del mercado:</p><ul><li><p><strong>PERC</strong>: la opci&#243;n econ&#243;mica, muy extendida en el mercado. Buen rendimiento, pero con degradaci&#243;n superior y menor vida &#250;til.</p></li><li><p><strong>TOPCon</strong>: el &#8220;punto medio&#8221; ideal. Alta eficiencia (24&#8211;25%), bajo nivel de degradaci&#243;n y costes contenidos en comparaci&#243;n con HJT.</p></li><li><p><strong>HJT</strong>: la joya tecnol&#243;gica. Eficiencia de hasta el 25%, coeficiente de temperatura excelente y una vida &#250;til superior a 30 a&#241;os con m&#225;s del 90% de capacidad retenida. Su reto: el coste de fabricaci&#243;n.</p></li></ul><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!4zG0!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F46f9d331-ebc8-4063-841d-ffd12b304b46_1610x780.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!4zG0!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F46f9d331-ebc8-4063-841d-ffd12b304b46_1610x780.png 424w, /__u/substackcdn.com/image/fetch/$s_!4zG0!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, 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/__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F46f9d331-ebc8-4063-841d-ffd12b304b46_1610x780.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!4zG0!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F46f9d331-ebc8-4063-841d-ffd12b304b46_1610x780.png" width="1456" height="705" 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F46f9d331-ebc8-4063-841d-ffd12b304b46_1610x780.png 424w, /__u/substackcdn.com/image/fetch/$s_!4zG0!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F46f9d331-ebc8-4063-841d-ffd12b304b46_1610x780.png 848w, /__u/substackcdn.com/image/fetch/$s_!4zG0!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F46f9d331-ebc8-4063-841d-ffd12b304b46_1610x780.png 1272w, /__u/substackcdn.com/image/fetch/$s_!4zG0!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F46f9d331-ebc8-4063-841d-ffd12b304b46_1610x780.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><div><hr></div><p>Hasta aqu&#237; la edici&#243;n. Espero que os haya gustado y amenizado el caf&#233;, el viaje en transporte p&#250;blico o inicio de la siesta. <strong>Cualquier sugerencia, recomendaci&#243;n o comentario pod&#233;is responder a este mismo correo</strong>.</p><p>Si te ha gustado, ay&#250;dame a darle un segundo empuj&#243;n <strong>compartiendolo en tus redes sociales, con tus amigos o compa&#241;eros de trabajo</strong>. Y si no te ha gustado, te pido disculpas, pero no se aceptan devoluciones.</p><div class="captioned-button-wrap" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-27_es-canibalizacion?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="CaptionedButtonToDOM"><div class="preamble"><p class="cta-caption">Thank you for reading Solarletter. This post is public so feel free to share it.</p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-27_es-canibalizacion?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-27_es-canibalizacion?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/subscribe"><span>Subscribe now</span></a></p><p>&#161;Saludos solares!</p>]]></content:encoded></item><item><title><![CDATA[Solarletter #26_ES - Primera fuente eléctrica de la UE por primera vez en la historia]]></title><description><![CDATA[Tambi&#233;n: Alemania pone en marcha su mayor bater&#237;a, &#191;Renovables que pagan por producir? y Yo, robot, pero en el sector fotovoltaico]]></description><link>https://solarletter.substack.com/p/solarletter-26_es-primera-fuente</link><guid isPermaLink="false">https://solarletter.substack.com/p/solarletter-26_es-primera-fuente</guid><dc:creator><![CDATA[Imanol Matanza Medina]]></dc:creator><pubDate>Sat, 19 Jul 2025 08:00:29 GMT</pubDate><enclosure url="https://substackcdn.com/image/youtube/w_728,c_limit/SdZHpCXXkDk" length="0" type="image/jpeg"/><content:encoded><![CDATA[<p>Hola a todos y bienvenidos de nuevo a Solarletter. Mi nombre es <a href="https://www.linkedin.com/in/imanol-matanza-medina-305271150/">Imanol Matanza</a> y trato de compartir contigo las <strong>&#250;ltimas noticias, avances tecnol&#243;gicos y tendencias en el campo de la energ&#237;a fotovoltaica</strong>. A trav&#233;s de Solarletter, espero aportarte <strong>informaci&#243;n valiosa, an&#225;lisis de mercado, estado del arte y peque&#241;os consejos pr&#225;cticos</strong> que te ayudar&#225;n a mantenerte al tanto de los desarrollos m&#225;s recientes en la industria fotovoltaica. </p><p>Siempre estoy abierto a sugerencias, preguntas y comentarios, as&#237; que no dudes en contactarme. &#161;Si te gusta, no dudes en subscribirte y compartirla!</p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/subscribe"><span>Subscribe now</span></a></p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-26_es-primera-fuente?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-26_es-primera-fuente?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p><p>Ahora s&#237;, vamos con un par de noticias interesantes!</p><div><hr></div><h4>Primera fuente el&#233;ctrica de la UE por primera vez en la historia</h4><p>La energ&#237;a fotovoltaica marca un nuevo hito en <strong>junio de 2025</strong> en Europa. Seg&#250;n el <a href="http://chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/https://ember-energy.org/app/uploads/2025/07/Analysis-Solar-is-EUs-biggest-power-source-for-the-first-time-ever.pdf">&#250;ltimo an&#225;lisis</a> de <a href="https://ember-energy.org/latest-insights/solar-is-eus-biggest-power-source-for-the-first-time-ever/">Ember</a>, la energ&#237;a solar se convirti&#243; por primera vez en la principal fuente de generaci&#243;n el&#233;ctrica de la Uni&#243;n Europea, superando a la nuclear, la e&#243;lica y, por supuesto, a los combustibles f&#243;siles. <strong>La fotovoltaica gener&#243; un 22,1%</strong> de toda la electricidad de la UE, lo que equivale a 45,4 TWh, consolidando su papel protagonista en el mix energ&#233;tico del continente durante los meses de m&#225;xima irradiaci&#243;n.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!aWa4!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6c1faa0a-6eaf-462a-9e8a-d8de5ce8321d_988x663.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!aWa4!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6c1faa0a-6eaf-462a-9e8a-d8de5ce8321d_988x663.png 424w, /__u/substackcdn.com/image/fetch/$s_!aWa4!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6c1faa0a-6eaf-462a-9e8a-d8de5ce8321d_988x663.png 848w, /__u/substackcdn.com/image/fetch/$s_!aWa4!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6c1faa0a-6eaf-462a-9e8a-d8de5ce8321d_988x663.png 1272w, /__u/substackcdn.com/image/fetch/$s_!aWa4!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6c1faa0a-6eaf-462a-9e8a-d8de5ce8321d_988x663.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!aWa4!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6c1faa0a-6eaf-462a-9e8a-d8de5ce8321d_988x663.png" width="988" height="663" 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6c1faa0a-6eaf-462a-9e8a-d8de5ce8321d_988x663.png 424w, /__u/substackcdn.com/image/fetch/$s_!aWa4!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6c1faa0a-6eaf-462a-9e8a-d8de5ce8321d_988x663.png 848w, /__u/substackcdn.com/image/fetch/$s_!aWa4!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6c1faa0a-6eaf-462a-9e8a-d8de5ce8321d_988x663.png 1272w, /__u/substackcdn.com/image/fetch/$s_!aWa4!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6c1faa0a-6eaf-462a-9e8a-d8de5ce8321d_988x663.png 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Este gr&#225;fico muestra c&#243;mo la solar super&#243; a todas las dem&#225;s fuentes, seguida de cerca por el 21,8 % de la nuclear y el 15,8 % de la e&#243;lica. El gas qued&#243; reducido al 14,4 % y el carb&#243;n, a un m&#237;nimo hist&#243;rico del 6,1%. Interesante ver de nuevo la gran sinergia existente entre la estacionalidad de la energ&#237;a e&#243;lica y fotovoltaica. Cuando una empieza a bajar la otra empieza a subir. Ser&#225; interesante ver c&#243;mo las bater&#237;as de adaptan a las renovables.</p><p>Este r&#233;cord no llega solo, pues al menos <strong>13 pa&#237;ses europeos alcanzaron m&#225;ximos hist&#243;ricos de generaci&#243;n solar en un solo mes</strong>. Este incremento ha sido gracias a la instalaci&#243;n acelerada de nueva capacidad fotovoltaica, que a su vez, ha ayudado a suministrar gran parte de la energ&#237;a el&#233;ctrica demandada durante la ola de calor.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!Tobc!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2337d240-e691-4394-9a3f-ce8080bfb757_741x814.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!Tobc!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2337d240-e691-4394-9a3f-ce8080bfb757_741x814.png 424w, /__u/substackcdn.com/image/fetch/$s_!Tobc!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2337d240-e691-4394-9a3f-ce8080bfb757_741x814.png 848w, /__u/substackcdn.com/image/fetch/$s_!Tobc!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2337d240-e691-4394-9a3f-ce8080bfb757_741x814.png 1272w, /__u/substackcdn.com/image/fetch/$s_!Tobc!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2337d240-e691-4394-9a3f-ce8080bfb757_741x814.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>El ascenso de la energ&#237;a fotovoltaica acelera el descenso de la generaci&#243;n por carb&#243;n. <strong>En junio</strong>, la electricidad generada con <strong>carb&#243;n cay&#243; a su nivel m&#225;s bajo en la historia de la UE</strong>, con solo 12,6 TWh. Es importante recalcar que entre los dos mayores consumidores de carb&#243;n en Europa, Alemania y Polonia, representan el 79 % del consumo europeo.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!qZrm!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2405678a-ea48-44af-a891-2640b4e7e05e_708x471.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!qZrm!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2405678a-ea48-44af-a891-2640b4e7e05e_708x471.png 424w, /__u/substackcdn.com/image/fetch/$s_!qZrm!, 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/__u/substackcdn.com/image/fetch/$s_!qZrm!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2405678a-ea48-44af-a891-2640b4e7e05e_708x471.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>La demanda de electricidad sigue su trayectoria ascendente en Europa. Con un incremento de 1,31 TWh en el primer semestre, la demanda crece un 2,2 % respecto al a&#241;o pasado.</p><p>Sin embargo, <strong>el reto ahora no es solo generar m&#225;s energ&#237;a renovable, sino aprovecharla mejor</strong>. La producci&#243;n solar se concentra en horas espec&#237;ficas del d&#237;a, y muchas veces se desaprovecha por falta de flexibilidad en el sistema. La clave, sigue siendo la misma:</p><ul><li><p>Mover los consumos a los momentos de generaci&#243;n renovable.</p></li><li><p>Mejorar la eficiencia de los sistemas. La energ&#237;a m&#225;s barata es la que no se consume.</p></li><li><p>Mejora de las interconexiones entre las distintas redes, tanto nacionales como internacionales.</p></li><li><p>Despliegue de los sistemas de almacenamiento que permitan sacar provecho a toda esa energ&#237;a renovable en momentos fuera del pico de producci&#243;n.</p></li></ul><p>La tendencia es clara y parece imparable. Las renovables quieren sacar a los combustibles f&#243;siles de la ecuaci&#243;n.</p><p>_</p><h4><strong>Alemania pone en marcha su mayor bater&#237;a</strong></h4><p>Aunque esta ya no sea tanta noticia, pues fue publicada en Junio, me apetec&#237;a traerla por la <em><strong>Solarletter</strong></em>. Igual habr&#237;a que cambiar el nombre a <em><strong>BESSolarletter </strong></em>a un futuro, pues estas dos tecnolog&#237;as cada vez ir&#225;n mas y mas de la mano.</p><p>Vamos con la noticia vista en el medio alem&#225;n <a href="https://www.ndr.de/nachrichten/schleswig-holstein/Groesster-Batteriespeicher-Deutschlands-bei-Schleswig-in-Betrieb,stromspeicher116.html">NDR</a>. Y es que Alemania ha inaugurado oficialmente en Bollingstedt (Schleswig-Holstein) el que, por ahora, es <strong>el mayor sistema de almacenamiento en bater&#237;as</strong> <strong>del pa&#237;s</strong>. Esta megainstalaci&#243;n, desarrollada por <a href="https://www.eco-stor.com/">Eco-Stor</a>, cuenta con:</p><ul><li><p><strong>32 contenedores</strong> con bater&#237;as de ion-litio</p></li><li><p><strong>16 contenedores</strong> adicionales con inversores y transformadores</p></li><li><p><strong>239&#8239;MWh de capacidad</strong>, capaz de abastecer a unos 30.000 hogares durante un d&#237;a</p></li><li><p><strong>Dos ciclos diarios de carga y descarga</strong>, respondiendo a picos de demanda y precios</p></li></ul><p>Interesante que la planta opera sin necesidad de subsidios p&#250;blicos. Esto ha sido posible gracias a la ca&#237;da de los precios de producci&#243;n en China y a las oportunidades del mercado el&#233;ctrico, cada vez m&#225;s vol&#225;til debido a la producci&#243;n renovable. Como explican desde Eco-Stor, el proyecto se espera que se <strong>amortice en menos de 10 a&#241;os</strong>. Adem&#225;s, la instalaci&#243;n aporta una alta capacidad de respuesta para los servicios de red en segundos, prestando <strong>regulaci&#243;n de frecuencia</strong> y contribuyendo a la <strong>estabilidad del sistema</strong>.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!0i5h!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2b636b21-4755-4583-8a37-bcb116874889_814x446.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!0i5h!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, 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/__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2b636b21-4755-4583-8a37-bcb116874889_814x446.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!0i5h!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2b636b21-4755-4583-8a37-bcb116874889_814x446.png" width="814" height="446" 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2b636b21-4755-4583-8a37-bcb116874889_814x446.png 424w, /__u/substackcdn.com/image/fetch/$s_!0i5h!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2b636b21-4755-4583-8a37-bcb116874889_814x446.png 848w, /__u/substackcdn.com/image/fetch/$s_!0i5h!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2b636b21-4755-4583-8a37-bcb116874889_814x446.png 1272w, /__u/substackcdn.com/image/fetch/$s_!0i5h!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2b636b21-4755-4583-8a37-bcb116874889_814x446.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a><figcaption class="image-caption">Precios mayoristas del mercado el&#233;ctrico alem&#225;n del 2 al 5 de Junio.</figcaption></figure></div><p>Otro punto a destacar es el impacto local. Gracias a un reciente cambio legal, <strong>el 90&#8239;% de los ingresos por impuesto de sociedades quedar&#225;n en Bollingstedt</strong>, lo que seguramente haya ayudado en lograr la aceptaci&#243;n local. En comparaci&#243;n a la fotovoltaica que ocupa grande &#225;reas y los e&#243;licos que tienen un impacto visual y ac&#250;stico, la bater&#237;as no tienen grandes problemas. Quiz&#225;s problemas ac&#250;sticos, pero que pueden tener f&#225;cil soluci&#243;n.</p><p>La instalaci&#243;n se considera pionera de una nueva oleada de bater&#237;as a gran escala: la vecina localidad de Schuby acoger&#225; una planta similar en 2026, y se est&#225;n planteando adem&#225;s <strong>dos grandes centros de datos adyacentes</strong>, que podr&#237;an aprovechar la energ&#237;a almacenada de forma directa. Pese a su impresionante escala, Bollingstedt pronto ser&#225; superado: <strong>el sector avanza hacia sistemas cada vez m&#225;s grandes y complejos</strong>, acompa&#241;ando el crecimiento de las energ&#237;as renovables.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!Cp1V!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc37ed7de-826b-4037-95ec-19e2e3aa1cb0_823x499.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!Cp1V!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, 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/__u/substackcdn.com/image/fetch/$s_!Cp1V!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc37ed7de-826b-4037-95ec-19e2e3aa1cb0_823x499.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a><figcaption class="image-caption">Los proyectos m&#225;s grandes en su proceso de planificaci&#243;n de Alemania</figcaption></figure></div><p>_</p><h4><strong>&#191;Renovables que pagan por producir?</strong></h4><p><a href="https://www.linkedin.com/posts/rogarui_negativo-fotovoltaicas-ppas-activity-7342589692472651777-OtkK?utm_source=share&amp;utm_medium=member_desktop&amp;rcm=ACoAACRYl3UBmt4av1EIUMbYzMyEz_7ILQZgAag">Rodrigo Garc&#237;a Ruiz</a> de <a href="https://optimizeenergy.es/">Optimize Energy</a>, que siempre nos deja excelentes an&#225;lisis del mercado el&#233;ctrico, ha publicado un post muy interesante sobre uno de los grandes temas de 2024 (y 2025): <strong>los precios negativos en el mercado el&#233;ctrico</strong> <strong>espa&#241;ol</strong>.</p><p>En concreto, se centra en lo ocurrido el <strong>16 de junio de 2024</strong>, d&#237;a en el que se alcanz&#243; el <strong>precio horario m&#225;s bajo del a&#241;o: -2&#8239;&#8364;/MWh durante seis horas consecutivas</strong> (de 12h a 17h). En su an&#225;lisis, Rodrigo muestra c&#243;mo <strong>ofertas fotovoltaicas llegaron incluso a -100&#8239;&#8364;/MWh</strong>, lo que implica que algunos estaban dispuestos a pagar por inyectar energ&#237;a. </p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!pD5y!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd67ef8e6-8617-445c-91b0-eacf6875ae89_1200x800.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!pD5y!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd67ef8e6-8617-445c-91b0-eacf6875ae89_1200x800.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!pD5y!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd67ef8e6-8617-445c-91b0-eacf6875ae89_1200x800.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!pD5y!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd67ef8e6-8617-445c-91b0-eacf6875ae89_1200x800.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!pD5y!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd67ef8e6-8617-445c-91b0-eacf6875ae89_1200x800.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!pD5y!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd67ef8e6-8617-445c-91b0-eacf6875ae89_1200x800.jpeg" width="1200" height="800" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/d67ef8e6-8617-445c-91b0-eacf6875ae89_1200x800.jpeg&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:800,&quot;width&quot;:1200,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;No alternative text description for this image&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="No alternative text description for this image" title="No alternative text description for this image" srcset="/__u/substackcdn.com/image/fetch/$s_!pD5y!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd67ef8e6-8617-445c-91b0-eacf6875ae89_1200x800.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!pD5y!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd67ef8e6-8617-445c-91b0-eacf6875ae89_1200x800.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!pD5y!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd67ef8e6-8617-445c-91b0-eacf6875ae89_1200x800.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!pD5y!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd67ef8e6-8617-445c-91b0-eacf6875ae89_1200x800.jpeg 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Pero, &#191;Por qu&#233;? Rodrigo detalla varios motivos posibles que justifican este comportamiento:</p><ul><li><p>Proyectos bajo r&#233;gimen retributivo espec&#237;fico que buscan cumplir con objetivos anuales.</p></li><li><p>PPAs sin cl&#225;usulas de precio negativo o con compromisos de volumen m&#237;nimo.</p></li><li><p>Ventas anticipadas de <a href="https://es.wikipedia.org/wiki/Garant%C3%ADa_de_origen">Garant&#237;as de Origen</a> que cotizaban por encima de 2&#8239;&#8364;/MWh.</p></li><li><p>Estrategias para lograr ingresos en los mercados de servicios de ajuste.</p></li></ul><p>Rodrigo concluye dejando en el aire una gran pregunta: </p><div class="pullquote"><p>&#191;C&#243;mo hemos pasado de -2&#8239;&#8364;/MWh a los -15&#8239;&#8364;/MWh que ya estamos viendo en 2025? </p></div><p>Nos deja con la duda y a la espera de nuevos posts analizando este 2025.</p><p>_</p><h4><strong>Yo, robot, pero en el sector fotovoltaico</strong></h4><p>Automatizar o robotizar un proceso no es sencillo. Crear un sistema que sea capaz de mover una caja de un punto A a un punto B de forma aut&#243;noma, cuesta mucho tiempo y dinero. Ahora bien, si esa caja hay que moverla miles de veces&#8230; quiz&#225;s no sea tan mala idea asumir el coste de automatizaci&#243;n. El <strong>gran despliegue de la fotovoltaica</strong>, empieza a permitir <strong>la automatizaci&#243;n</strong> de ciertos procesos que permitan incrementar la productividad, seguridad y calidad de los procesos de <strong>construcci&#243;n y O&amp;M</strong>.</p><p>En <a href="/__u/solarletter.substack.com/i/127849774/built-robotics-rpd">Solarletter #1</a> ya hablamos por aqu&#237; de un robot-hincadora autom&#225;tica. Hoy sin embargo, os dejamos por aqu&#237; un robot para la instalaci&#243;n de los m&#243;dulos por parte de un post en <a href="https://www.linkedin.com/posts/sunpuretech_saturn-pvinstallation-solarrobotics-activity-7345681328736018432-DjUA?utm_source=share&amp;utm_medium=member_desktop&amp;rcm=ACoAACRYl3UBmt4av1EIUMbYzMyEz_7ILQZgAag">LinkedIn </a>de <a href="https://en.sunpuretech.com/">Sunpure</a>:</p><div id="youtube2-SdZHpCXXkDk" class="youtube-wrap" data-attrs="{&quot;videoId&quot;:&quot;SdZHpCXXkDk&quot;,&quot;startTime&quot;:null,&quot;endTime&quot;:null}" data-component-name="Youtube2ToDOM"><div class="youtube-inner"><iframe src="https://www.youtube-nocookie.com/embed/SdZHpCXXkDk?rel=0&amp;autoplay=0&amp;showinfo=0&amp;enablejsapi=0" frameborder="0" loading="lazy" gesture="media" allow="autoplay; fullscreen" allowautoplay="true" allowfullscreen="true" width="728" height="409"></iframe></div></div><p>Los objetivos parecen claros, tratar de <strong>incrementar la velocidad de instalaci&#243;n y reducir la cantidad m&#243;dulos da&#241;ados</strong> en el proceso. Por otro lado, recordaros que la tendencia es cada vez a hacer m&#243;dulos m&#225;s grandes, y por lo tanto m&#225;s pesados. Desde luego una magn&#237;fica idea para las espaldas de los trabajadores.</p><p>El segundo de los posts que tambi&#233;n nos llega por <a href="https://www.linkedin.com/posts/edpes_innovaciaejn-automatizaciaejn-hibridaciaejn-activity-7346120509685690369-nkDO?utm_source=share&amp;utm_medium=member_desktop&amp;rcm=ACoAACRYl3UBmt4av1EIUMbYzMyEz_7ILQZgAag">LinkedIn</a> viene por parte de <a href="https://www.edp.com/es/europa/espana">EDP Espa&#241;a</a>. EDP acaba de presentar un parque h&#237;brido (e&#243;lica+fotovoltaica) en el que han automatizado las tareas m&#225;s t&#237;picas de un O&amp;M:</p><ul><li><p>Drones para realizar inspecciones t&#233;rmicas.</p></li><li><p>Robots aut&#243;nomos para limpiar los paneles.</p></li><li><p>Robots aut&#243;nomos para el cuidado del c&#233;sped.</p></li><li><p>Y comentan haber implementado un sistema de IA que analiza los datos en tiempo real.</p></li></ul><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!dXZW!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8467cee6-a529-465a-b1e9-63b0eb3b402b_1280x853.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!dXZW!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, 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/__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8467cee6-a529-465a-b1e9-63b0eb3b402b_1280x853.jpeg 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Desde luego ser&#237;a interesante conocer la evoluci&#243;n de este proyecto y ver c&#243;mo los robots empiezan a tomar las tareas m&#225;s arduas, mejorando as&#237; los costes y la fiabilidad de las plantas.</p><h4>_</h4><h4><strong><s>El consejillo</s> La curiosidad de la edici&#243;n</strong></h4><p>Vamos con una bonita curiosidad, visto en un post de <a href="https://www.linkedin.com/posts/alejandrodatas_isofoton-activity-7344663475467517952-O98y?utm_source=share&amp;utm_medium=member_desktop&amp;rcm=ACoAACRYl3UBmt4av1EIUMbYzMyEz_7ILQZgAag">Alejandro Datas</a>. El autor nos muestra una instalaci&#243;n que si no es la m&#225;s antigua de Espa&#241;a, seguro que est&#225; en el top. Se trata de una instalaci&#243;n con m&#243;dulos bifaciales fabricados en el a&#241;o 1987, en el <a href="https://blogs.upm.es/ies/es/">Instituto de Energ&#237;a Solar - Universidad Polit&#233;cnica de Madrid</a>.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!EiPA!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Febd92006-31dd-46d4-a50f-bc7d37dbe890_1220x1220.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!EiPA!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Febd92006-31dd-46d4-a50f-bc7d37dbe890_1220x1220.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!EiPA!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Febd92006-31dd-46d4-a50f-bc7d37dbe890_1220x1220.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!EiPA!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Febd92006-31dd-46d4-a50f-bc7d37dbe890_1220x1220.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!EiPA!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Febd92006-31dd-46d4-a50f-bc7d37dbe890_1220x1220.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!EiPA!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Febd92006-31dd-46d4-a50f-bc7d37dbe890_1220x1220.jpeg" width="402" height="402" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/ebd92006-31dd-46d4-a50f-bc7d37dbe890_1220x1220.jpeg&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:1220,&quot;width&quot;:1220,&quot;resizeWidth&quot;:402,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;No alternative text description for this image&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="No alternative text description for this image" title="No alternative text description for this image" srcset="/__u/substackcdn.com/image/fetch/$s_!EiPA!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Febd92006-31dd-46d4-a50f-bc7d37dbe890_1220x1220.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!EiPA!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Febd92006-31dd-46d4-a50f-bc7d37dbe890_1220x1220.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!EiPA!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Febd92006-31dd-46d4-a50f-bc7d37dbe890_1220x1220.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!EiPA!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Febd92006-31dd-46d4-a50f-bc7d37dbe890_1220x1220.jpeg 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Lo incre&#237;ble de la historia es que los m&#243;dulos a&#250;n est&#225;n en funcionamiento. A principios de 2021, el instituto consigui&#243; 64 de los m&#243;dulos bifaciales fabricados en 1987, de los cuales consiguieron recuperar 56 unidades. Estos hab&#237;an estado en funcionamiento en distintas instalaciones en zonas rurales.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!4KAn!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff8d962df-6748-454d-92b4-49b93d79fc5b_505x381.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!4KAn!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff8d962df-6748-454d-92b4-49b93d79fc5b_505x381.png 424w, /__u/substackcdn.com/image/fetch/$s_!4KAn!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff8d962df-6748-454d-92b4-49b93d79fc5b_505x381.png 848w, /__u/substackcdn.com/image/fetch/$s_!4KAn!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff8d962df-6748-454d-92b4-49b93d79fc5b_505x381.png 1272w, /__u/substackcdn.com/image/fetch/$s_!4KAn!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff8d962df-6748-454d-92b4-49b93d79fc5b_505x381.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!4KAn!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff8d962df-6748-454d-92b4-49b93d79fc5b_505x381.png" width="625" height="471.53465346534654" 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff8d962df-6748-454d-92b4-49b93d79fc5b_505x381.png 424w, /__u/substackcdn.com/image/fetch/$s_!4KAn!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff8d962df-6748-454d-92b4-49b93d79fc5b_505x381.png 848w, /__u/substackcdn.com/image/fetch/$s_!4KAn!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff8d962df-6748-454d-92b4-49b93d79fc5b_505x381.png 1272w, /__u/substackcdn.com/image/fetch/$s_!4KAn!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff8d962df-6748-454d-92b4-49b93d79fc5b_505x381.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Aqu&#237; unos <em>highlights </em>de las caracter&#237;sticas de la instalaci&#243;n:</p><ul><li><p>Potencia nominal del sistema: 3,75 kW</p></li><li><p>Potencia nominal por m&#243;dulo: 90 W (bajo 1000 W/m&#178; frontal + 500 W/m&#178; trasero, es decir, no bajo <em>Standard Testing Conditions</em>)</p></li><li><p>Potencia nominal frontal: 67 W</p></li><li><p>Potencia nominal medida tras 30 a&#241;os: 59 W, es decir, tan solo un 10 % de degradaci&#243;n</p></li><li><p>Encapsulante: <em>Ethyl-vinyl-acetate</em> o EVA</p></li><li><p>Tecnolog&#237;a de c&#233;lula: n-PERT bifacial</p></li></ul><p>Este es desde luego un ejemplo claro, de que los m&#243;dulos fotovoltaicos pueden ser duraderos. Una de las ventajas de no tener parte m&#243;viles imagino, por lo menos para nuestros ojo. La industria ha ido evolucionando much&#237;simo con nuevos est&#225;ndares y la experiencia ganada en los &#250;ltimos a&#241;os. </p><p>Actualmente muchos de los fabricantes garantizan rendimientos a 25 a&#241;os. Es decir, o traducido de otra forma, ellos no se van a jugar el pellejo, la vida &#250;til est&#225; seguramente bastante por encima de esas garant&#237;as. </p><p>&#191;Veremos instalaciones construidas por nosotros y a&#250;n siendo disfrutadas por nuestros nietos?</p><div><hr></div><p>Hasta aqu&#237; la edici&#243;n. Espero que os haya gustado y amenizado el caf&#233;, el viaje en transporte p&#250;blico o inicio de la siesta. <strong>Cualquier sugerencia, recomendaci&#243;n o comentario pod&#233;is responder a este mismo correo</strong>.</p><p>Si te ha gustado, ay&#250;dame a darle un segundo empuj&#243;n <strong>compartiendolo en tus redes sociales, con tus amigos o compa&#241;eros de trabajo</strong>. Y si no te ha gustado, te pido disculpas, pero no se aceptan devoluciones.</p><div class="captioned-button-wrap" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-26_es-primera-fuente?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="CaptionedButtonToDOM"><div class="preamble"><p class="cta-caption">Thank you for reading Solarletter. This post is public so feel free to share it.</p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-26_es-primera-fuente?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-26_es-primera-fuente?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/subscribe"><span>Subscribe now</span></a></p><p>&#161;Saludos solares!</p>]]></content:encoded></item><item><title><![CDATA[Solarletter #26_EN - Main Electricity Source of the EU for the First Time in History]]></title><description><![CDATA[Also: Batteries: Germany Commissions Its Largest Battery, Renewables That Pay to Produce? and I, Robot, but in the Photovoltaic Sector]]></description><link>https://solarletter.substack.com/p/solarletter-26_en-main-electricity</link><guid isPermaLink="false">https://solarletter.substack.com/p/solarletter-26_en-main-electricity</guid><dc:creator><![CDATA[Imanol Matanza Medina]]></dc:creator><pubDate>Sat, 19 Jul 2025 08:00:28 GMT</pubDate><enclosure url="https://substackcdn.com/image/youtube/w_728,c_limit/SdZHpCXXkDk" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="pullquote"><p>Please note that text below has been translated from the spanish version by using AI</p></div><p>Hello everyone and welcome back to Solarletter. My name is Imanol Matanza, and I aim to share with you the <strong>latest news, technological advancements, and trends in the field of photovoltaic energy</strong>. Through Solarletter, I hope to provide you with <strong>valuable information, market analysis, state-of-the-art updates, and practical tips</strong> that will help you stay informed about the latest developments in the photovoltaic industry.</p><p>I am always open to suggestions, questions, and comments, so please feel free to contact me. If you like it, don't hesitate to subscribe and share!</p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/subscribe"><span>Subscribe now</span></a></p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-26_en-main-electricity?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-26_en-main-electricity?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p><p>Alright, let us go with a couple of interesting pieces of news!</p><div><hr></div><h4><strong>Main Electricity Source of the EU for the First Time in History</strong></h4><p>Photovoltaic energy reaches a new milestone in <strong>June 2025</strong> in Europe. According to the <a href="http://chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/https://ember-energy.org/app/uploads/2025/07/Analysis-Solar-is-EUs-biggest-power-source-for-the-first-time-ever.pdf">latest analysis</a> by <a href="https://ember-energy.org/latest-insights/solar-is-eus-biggest-power-source-for-the-first-time-ever/">Ember</a>, solar energy became for the first time the main source of electricity generation in the European Union, surpassing nuclear, wind, and of course, fossil fuels. <strong>Solar generated 22.1%</strong> of all EU electricity, which is equivalent to 45.4 TWh, consolidating its leading role in the continent's energy mix during the months of maximum irradiation.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!aWa4!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6c1faa0a-6eaf-462a-9e8a-d8de5ce8321d_988x663.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!aWa4!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6c1faa0a-6eaf-462a-9e8a-d8de5ce8321d_988x663.png 424w, /__u/substackcdn.com/image/fetch/$s_!aWa4!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6c1faa0a-6eaf-462a-9e8a-d8de5ce8321d_988x663.png 848w, /__u/substackcdn.com/image/fetch/$s_!aWa4!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6c1faa0a-6eaf-462a-9e8a-d8de5ce8321d_988x663.png 1272w, /__u/substackcdn.com/image/fetch/$s_!aWa4!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6c1faa0a-6eaf-462a-9e8a-d8de5ce8321d_988x663.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!aWa4!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6c1faa0a-6eaf-462a-9e8a-d8de5ce8321d_988x663.png" width="988" height="663" 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6c1faa0a-6eaf-462a-9e8a-d8de5ce8321d_988x663.png 424w, /__u/substackcdn.com/image/fetch/$s_!aWa4!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6c1faa0a-6eaf-462a-9e8a-d8de5ce8321d_988x663.png 848w, /__u/substackcdn.com/image/fetch/$s_!aWa4!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6c1faa0a-6eaf-462a-9e8a-d8de5ce8321d_988x663.png 1272w, 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8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>This chart shows how solar surpassed all other sources, closely followed by nuclear at 21.8% and wind at 15.8%. Gas was reduced to 14.4% and coal to a historic low of 6.1%. It is interesting to see again the strong synergy between the seasonality of wind and solar energy. When one begins to decline, the other begins to rise. It will be interesting to see how batteries adapt to renewables.</p><p>This record does not come alone, as at least <strong>13 European countries reached all-time highs in solar generation in a single month</strong>. This increase has been made possible by the accelerated installation of new photovoltaic capacity, which in turn has helped supply a large part of the electricity demand during the heatwave.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!Tobc!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2337d240-e691-4394-9a3f-ce8080bfb757_741x814.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!Tobc!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2337d240-e691-4394-9a3f-ce8080bfb757_741x814.png 424w, /__u/substackcdn.com/image/fetch/$s_!Tobc!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2337d240-e691-4394-9a3f-ce8080bfb757_741x814.png 848w, /__u/substackcdn.com/image/fetch/$s_!Tobc!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2337d240-e691-4394-9a3f-ce8080bfb757_741x814.png 1272w, /__u/substackcdn.com/image/fetch/$s_!Tobc!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2337d240-e691-4394-9a3f-ce8080bfb757_741x814.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!Tobc!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2337d240-e691-4394-9a3f-ce8080bfb757_741x814.png" width="741" height="814" 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2337d240-e691-4394-9a3f-ce8080bfb757_741x814.png 424w, /__u/substackcdn.com/image/fetch/$s_!Tobc!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2337d240-e691-4394-9a3f-ce8080bfb757_741x814.png 848w, /__u/substackcdn.com/image/fetch/$s_!Tobc!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2337d240-e691-4394-9a3f-ce8080bfb757_741x814.png 1272w, /__u/substackcdn.com/image/fetch/$s_!Tobc!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2337d240-e691-4394-9a3f-ce8080bfb757_741x814.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>The rise of photovoltaic energy accelerates the decline in coal generation. <strong>In June</strong>, electricity generated from <strong>coal fell to its lowest level in EU history</strong>, with only 12.6 TWh. It is important to highlight that the two largest coal consumers in Europe, Germany and Poland, account for 79% of European coal use.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!qZrm!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2405678a-ea48-44af-a891-2640b4e7e05e_708x471.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!qZrm!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2405678a-ea48-44af-a891-2640b4e7e05e_708x471.png 424w, /__u/substackcdn.com/image/fetch/$s_!qZrm!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2405678a-ea48-44af-a891-2640b4e7e05e_708x471.png 848w, /__u/substackcdn.com/image/fetch/$s_!qZrm!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2405678a-ea48-44af-a891-2640b4e7e05e_708x471.png 1272w, /__u/substackcdn.com/image/fetch/$s_!qZrm!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2405678a-ea48-44af-a891-2640b4e7e05e_708x471.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!qZrm!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2405678a-ea48-44af-a891-2640b4e7e05e_708x471.png" width="708" height="471" 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2405678a-ea48-44af-a891-2640b4e7e05e_708x471.png 424w, /__u/substackcdn.com/image/fetch/$s_!qZrm!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2405678a-ea48-44af-a891-2640b4e7e05e_708x471.png 848w, /__u/substackcdn.com/image/fetch/$s_!qZrm!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2405678a-ea48-44af-a891-2640b4e7e05e_708x471.png 1272w, /__u/substackcdn.com/image/fetch/$s_!qZrm!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2405678a-ea48-44af-a891-2640b4e7e05e_708x471.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Electricity demand continues its upward trend in Europe. With an increase of 1.31 TWh in the first half of the year, demand is growing by 2.2% compared to last year.</p><p>However, <strong>the challenge now is not only to generate more renewable energy, but to make better use of it</strong>. Solar production is concentrated in specific hours of the day and is often wasted due to lack of flexibility in the system. The key remains the same:</p><ul><li><p>Shift consumption to moments of renewable generation.</p></li><li><p>Improve system efficiency. The cheapest energy is the one that is not consumed.</p></li><li><p>Improve interconnections between different grids, both national and international.</p></li><li><p>Deploy storage systems that allow this renewable energy to be used outside peak production hours.</p></li></ul><p>The trend is clear and seems unstoppable. Renewables aim to remove fossil fuels from the equation.</p><p>_</p><h4>Germany Commissions Its Largest Battery</h4><p>Although this may no longer be breaking news, since it was published in June, I still wanted to include it in the <em><strong>Solarletter</strong></em>. Perhaps we should rename it <em><strong>BESSolarletter </strong></em>in the future, as these two technologies will increasingly go hand in hand.</p><p>Let us go to the report seen in the German outlet <a href="https://www.ndr.de/nachrichten/schleswig-holstein/Groesster-Batteriespeicher-Deutschlands-bei-Schleswig-in-Betrieb,stromspeicher116.html">NDR</a>. Germany has officially inaugurated in Bollingstedt (Schleswig-Holstein) what is currently <strong>the largest battery storage system in the country</strong>. This megaproject, developed by <a href="https://www.eco-stor.com/">Eco-Stor</a>, includes:</p><ul><li><p><strong>32 containers</strong> with lithium-ion batteries</p></li><li><p><strong>16 additional containers</strong> with inverters and transformers</p></li><li><p><strong>239 MWh of capacity</strong>, capable of powering about 30,000 homes for a day</p></li><li><p><strong>Two daily charge and discharge cycles</strong>, responding to demand and price peaks</p></li></ul><p>Interestingly, the plant operates without public subsidies. This has been made possible thanks to falling production costs in China and opportunities in the electricity market, which is increasingly volatile due to renewable energy production. As explained by Eco-Stor, the project is expected to <strong>pay for itself in less than 10 years</strong>. In addition, the facility provides a high level of responsiveness for grid services in seconds, offering<strong> frequency control</strong> and contributing to <strong>grid stability</strong>.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!0i5h!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2b636b21-4755-4583-8a37-bcb116874889_814x446.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!0i5h!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2b636b21-4755-4583-8a37-bcb116874889_814x446.png 424w, /__u/substackcdn.com/image/fetch/$s_!0i5h!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2b636b21-4755-4583-8a37-bcb116874889_814x446.png 848w, /__u/substackcdn.com/image/fetch/$s_!0i5h!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2b636b21-4755-4583-8a37-bcb116874889_814x446.png 1272w, /__u/substackcdn.com/image/fetch/$s_!0i5h!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2b636b21-4755-4583-8a37-bcb116874889_814x446.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!0i5h!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2b636b21-4755-4583-8a37-bcb116874889_814x446.png" width="814" height="446" 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2b636b21-4755-4583-8a37-bcb116874889_814x446.png 424w, /__u/substackcdn.com/image/fetch/$s_!0i5h!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2b636b21-4755-4583-8a37-bcb116874889_814x446.png 848w, /__u/substackcdn.com/image/fetch/$s_!0i5h!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2b636b21-4755-4583-8a37-bcb116874889_814x446.png 1272w, /__u/substackcdn.com/image/fetch/$s_!0i5h!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2b636b21-4755-4583-8a37-bcb116874889_814x446.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a><figcaption class="image-caption">Wholesale electricity prices in the German market from June 2 to 5.</figcaption></figure></div><p>Another noteworthy point is the local impact. Thanks to a recent legal change, 9<strong>0% of the corporate tax revenue will remain in Bollingstedt</strong>, which likely helped gain local acceptance. Compared to photovoltaics that occupy large areas and wind turbines that have visual and noise impacts, batteries present fewer issues. Possibly some noise concerns, but ones that can be easily resolved.</p><p>The installation is considered a pioneer of a new wave of large-scale batteries: the nearby town of Schuby will host a similar plant in 2026, and <strong>two large adjacent data centers</strong> are also being considered, which could directly use the stored energy. Despite its impressive scale, Bollingstedt will soon be surpassed: <strong>the sector is moving toward increasingly larger and more complex systems</strong>, accompanying the growth of renewable energy.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!Cp1V!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc37ed7de-826b-4037-95ec-19e2e3aa1cb0_823x499.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!Cp1V!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc37ed7de-826b-4037-95ec-19e2e3aa1cb0_823x499.png 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/__u/substackcdn.com/image/fetch/$s_!Cp1V!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc37ed7de-826b-4037-95ec-19e2e3aa1cb0_823x499.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a><figcaption class="image-caption">The largest projects currently in the planning phase in Germany.</figcaption></figure></div><p>_</p><h4>Renewables That Pay to Produce?</h4><p><a href="https://www.linkedin.com/posts/rogarui_negativo-fotovoltaicas-ppas-activity-7342589692472651777-OtkK?utm_source=share&amp;utm_medium=member_desktop&amp;rcm=ACoAACRYl3UBmt4av1EIUMbYzMyEz_7ILQZgAag">Rodrigo Garc&#237;a Ruiz</a> from <a href="https://optimizeenergy.es/">Optimize Energy</a>, who always shares excellent analyses of the electricity market, has published a very interesting post on one of the major topics of 2024 (and 2025): <strong>negative prices in the Spanish electricity market</strong>.</p><p>Specifically, he focuses on what happened on <strong>June 16, 2024</strong>, the day when <strong>the lowest hourly price of the year was recorded: -2 &#8364;/MWh</strong> for six consecutive hours (from 12:00 to 17:00). In his analysis, Rodrigo shows how <strong>photovoltaic offers even reached -100 &#8364;/MWh</strong>, which implies that some were willing to pay to inject energy.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!pD5y!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd67ef8e6-8617-445c-91b0-eacf6875ae89_1200x800.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!pD5y!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd67ef8e6-8617-445c-91b0-eacf6875ae89_1200x800.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!pD5y!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd67ef8e6-8617-445c-91b0-eacf6875ae89_1200x800.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!pD5y!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd67ef8e6-8617-445c-91b0-eacf6875ae89_1200x800.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!pD5y!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd67ef8e6-8617-445c-91b0-eacf6875ae89_1200x800.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!pD5y!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd67ef8e6-8617-445c-91b0-eacf6875ae89_1200x800.jpeg" width="1200" height="800" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/d67ef8e6-8617-445c-91b0-eacf6875ae89_1200x800.jpeg&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:800,&quot;width&quot;:1200,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;No alternative text description for this image&quot;,&quot;title&quot;:&quot;No alternative text description for this image&quot;,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="No alternative text description for this image" title="No alternative text description for this image" srcset="/__u/substackcdn.com/image/fetch/$s_!pD5y!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd67ef8e6-8617-445c-91b0-eacf6875ae89_1200x800.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!pD5y!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd67ef8e6-8617-445c-91b0-eacf6875ae89_1200x800.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!pD5y!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd67ef8e6-8617-445c-91b0-eacf6875ae89_1200x800.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!pD5y!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd67ef8e6-8617-445c-91b0-eacf6875ae89_1200x800.jpeg 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>But why? Rodrigo outlines several possible reasons that justify this behaviour:</p><ul><li><p>Projects under a specific remuneration scheme aiming to meet annual targets</p></li><li><p>PPAs without negative price clauses or with minimum volume commitments</p></li><li><p>Advance sales of <a href="https://en.wikipedia.org/wiki/Guarantee_of_origin">Guarantees of Origin</a> traded above 2 &#8364;/MWh</p></li><li><p>Strategies to generate revenue in balancing service markets</p></li></ul><p>Rodrigo concludes by raising a big question:</p><div class="pullquote"><p>How have we gone from -2 &#8364;/MWh to the -15 &#8364;/MWh that we are already seeing in 2025?</p></div><p>He leaves us with that question and looking forward to future posts analyzing this 2025.</p><p>_</p><h4><strong>I, Robot, but in the Photovoltaic Sector</strong></h4><p>Automating or robotizing a process is not easy. Creating a system capable of moving a box from point A to point B autonomously requires a great deal of time and money. However, if that box needs to be moved thousands of times&#8230; perhaps it is not such a bad idea to assume the cost of automation. The <strong>large-scale deployment of photovoltaics</strong> is beginning to enable <strong>the automation</strong> of certain processes that can increase productivity, safety, and quality in <strong>construction and O&amp;M</strong> activities.</p><p>In <a href="/__u/solarletter.substack.com/i/127849573/built-robotics-rpd">Solarletter #1</a>, we already talked about an automatic pile-driving robot. Today, however, we bring you a robot for module installation, featured in a <a href="https://www.linkedin.com/posts/sunpuretech_saturn-pvinstallation-solarrobotics-activity-7345681328736018432-DjUA?utm_source=share&amp;utm_medium=member_desktop&amp;rcm=ACoAACRYl3UBmt4av1EIUMbYzMyEz_7ILQZgAag">LinkedIn</a> post by <a href="https://en.sunpuretech.com/">Sunpure</a>:</p><div id="youtube2-SdZHpCXXkDk" class="youtube-wrap" data-attrs="{&quot;videoId&quot;:&quot;SdZHpCXXkDk&quot;,&quot;startTime&quot;:null,&quot;endTime&quot;:null}" data-component-name="Youtube2ToDOM"><div class="youtube-inner"><iframe src="https://www.youtube-nocookie.com/embed/SdZHpCXXkDk?rel=0&amp;autoplay=0&amp;showinfo=0&amp;enablejsapi=0" frameborder="0" loading="lazy" gesture="media" allow="autoplay; fullscreen" allowautoplay="true" allowfullscreen="true" width="728" height="409"></iframe></div></div><p>The goals seem clear &#8212; to try to <strong>increase installation speed and reduce the number of modules damaged</strong> during the process. On the other hand, it is worth remembering that the trend is to manufacture increasingly larger &#8212; and therefore heavier &#8212; modules. This is certainly a brilliant idea for the well-being of workers' backs.</p><p>The second post, also from <a href="https://www.linkedin.com/posts/edpes_innovaciaejn-automatizaciaejn-hibridaciaejn-activity-7346120509685690369-nkDO?utm_source=share&amp;utm_medium=member_desktop&amp;rcm=ACoAACRYl3UBmt4av1EIUMbYzMyEz_7ILQZgAag">LinkedIn</a>, comes from <a href="https://www.edp.com/es/europa/espana">EDP Spain</a>. EDP has just presented a hybrid park (wind + solar) where they have automated the most common O&amp;M tasks:</p><ul><li><p>Drones to perform thermal inspections</p></li><li><p>Autonomous robots to clean the panels</p></li><li><p>Autonomous robots for grass maintenance</p></li><li><p>An AI system that analyses data in real time</p></li></ul><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!dXZW!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8467cee6-a529-465a-b1e9-63b0eb3b402b_1280x853.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!dXZW!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8467cee6-a529-465a-b1e9-63b0eb3b402b_1280x853.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!dXZW!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8467cee6-a529-465a-b1e9-63b0eb3b402b_1280x853.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!dXZW!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8467cee6-a529-465a-b1e9-63b0eb3b402b_1280x853.jpeg 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>It would certainly be interesting to follow the progress of this project and see how robots begin to take on the most demanding tasks, improving both the costs and reliability of the plants.</p><h4>_</h4><h4><strong>Edition&#180;s <s>microtip</s> curiosity</strong></h4><p>Let us finish with a nice curiosity, seen in a post by <a href="https://www.linkedin.com/posts/alejandrodatas_isofoton-activity-7344663475467517952-O98y?utm_source=share&amp;utm_medium=member_desktop&amp;rcm=ACoAACRYl3UBmt4av1EIUMbYzMyEz_7ILQZgAag">Alejandro Datas</a>. The author shows us an installation that, if not the oldest in Spain, is certainly among the top. It is an installation with bifacial modules manufactured in 1987 at the <a href="https://blogs.upm.es/ies/es/">Instituto de Energ&#237;a Solar - Universidad Polit&#233;cnica de Madrid</a>.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!EiPA!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Febd92006-31dd-46d4-a50f-bc7d37dbe890_1220x1220.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!EiPA!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Febd92006-31dd-46d4-a50f-bc7d37dbe890_1220x1220.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!EiPA!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Febd92006-31dd-46d4-a50f-bc7d37dbe890_1220x1220.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!EiPA!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Febd92006-31dd-46d4-a50f-bc7d37dbe890_1220x1220.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!EiPA!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Febd92006-31dd-46d4-a50f-bc7d37dbe890_1220x1220.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!EiPA!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Febd92006-31dd-46d4-a50f-bc7d37dbe890_1220x1220.jpeg" width="402" height="402" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/ebd92006-31dd-46d4-a50f-bc7d37dbe890_1220x1220.jpeg&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:1220,&quot;width&quot;:1220,&quot;resizeWidth&quot;:402,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;No alternative text description for this image&quot;,&quot;title&quot;:&quot;No alternative text description for this image&quot;,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="No alternative text description for this image" title="No alternative text description for this image" srcset="/__u/substackcdn.com/image/fetch/$s_!EiPA!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Febd92006-31dd-46d4-a50f-bc7d37dbe890_1220x1220.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!EiPA!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Febd92006-31dd-46d4-a50f-bc7d37dbe890_1220x1220.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!EiPA!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Febd92006-31dd-46d4-a50f-bc7d37dbe890_1220x1220.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!EiPA!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Febd92006-31dd-46d4-a50f-bc7d37dbe890_1220x1220.jpeg 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>The incredible part of the story is that the modules are still operational. In early 2021, the institute recovered 64 of the bifacial modules manufactured in 1987, out of which 56 units were successfully restored. These had been used in various installations in rural areas.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!4KAn!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff8d962df-6748-454d-92b4-49b93d79fc5b_505x381.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!4KAn!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff8d962df-6748-454d-92b4-49b93d79fc5b_505x381.png 424w, /__u/substackcdn.com/image/fetch/$s_!4KAn!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff8d962df-6748-454d-92b4-49b93d79fc5b_505x381.png 848w, /__u/substackcdn.com/image/fetch/$s_!4KAn!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff8d962df-6748-454d-92b4-49b93d79fc5b_505x381.png 1272w, /__u/substackcdn.com/image/fetch/$s_!4KAn!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff8d962df-6748-454d-92b4-49b93d79fc5b_505x381.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!4KAn!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff8d962df-6748-454d-92b4-49b93d79fc5b_505x381.png" width="625" height="471.53465346534654" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/f8d962df-6748-454d-92b4-49b93d79fc5b_505x381.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:381,&quot;width&quot;:505,&quot;resizeWidth&quot;:625,&quot;bytes&quot;:513935,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/168381875?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff8d962df-6748-454d-92b4-49b93d79fc5b_505x381.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" title="" srcset="/__u/substackcdn.com/image/fetch/$s_!4KAn!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff8d962df-6748-454d-92b4-49b93d79fc5b_505x381.png 424w, /__u/substackcdn.com/image/fetch/$s_!4KAn!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff8d962df-6748-454d-92b4-49b93d79fc5b_505x381.png 848w, /__u/substackcdn.com/image/fetch/$s_!4KAn!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff8d962df-6748-454d-92b4-49b93d79fc5b_505x381.png 1272w, /__u/substackcdn.com/image/fetch/$s_!4KAn!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff8d962df-6748-454d-92b4-49b93d79fc5b_505x381.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Here are some <em>highlights </em>of the installation's features:</p><ul><li><p>System nominal power: 3.75 kW</p></li><li><p>Nominal power per module: 90 W (under 1000 W/m&#178; front + 500 W/m&#178; rear, that is, not under Standard Testing Conditions)</p></li><li><p>Nominal front power: 67 W</p></li><li><p>Measured power after 30 years: 59 W, meaning only 10 % degradation</p></li><li><p>Encapsulant: Ethyl-vinyl-acetate or EVA</p></li><li><p>Cell technology: n-PERT bifacial</p></li></ul><p>This is clearly a solid example of how photovoltaic modules can be durable. One of the advantages of having no moving parts, at least in our view. The industry has evolved tremendously with new standards and experience gained over the years.</p><p>Currently, many manufacturers guarantee performance for 25 years. In other words, they are not going to risk their reputation &#8212; the real lifetime is very likely much higher than those guarantees.</p><p>Will we see installations built by us still being enjoyed by our grandchildren?</p><div><hr></div><p>That concludes the edition. I hope you enjoyed and it made your coffee break, public transportation ride, or nap more enjoyable. <strong>If you have any suggestions, recommendations, or comments, feel free to reply to this email</strong>.</p><p>If you liked it, help me give it a boost by <strong>sharing it on your social media, with your friends, or coworkers</strong>. And if you did not like it, I apologize, but returns are not accepted.</p><div class="captioned-button-wrap" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-26_en-main-electricity?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="CaptionedButtonToDOM"><div class="preamble"><p class="cta-caption">Thank you for reading Solarletter. This post is public so feel free to share it.</p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-26_en-main-electricity?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-26_en-main-electricity?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Abonnieren jetzt&quot;,&quot;action&quot;:null,&quot;class&quot;:&quot;button-wrapper&quot;}" data-component-name="ButtonCreateButton"><a class="button primary button-wrapper" href="/__u/solarletter.substack.com/subscribe"><span>Abonnieren jetzt</span></a></p><p>Sunny Regards!</p>]]></content:encoded></item><item><title><![CDATA[Solarletter #25_ES - TotalEnergies pone en marcha su mayor complejo solar en Europa]]></title><description><![CDATA[Tambi&#233;n: Bater&#237;as: el pilar ignorado de la transici&#243;n energ&#233;tica, Brasil brilla con un 88% de electricidad verde en 2024 y Paneles donde menos lo esperas: la revoluci&#243;n solar alternativa]]></description><link>https://solarletter.substack.com/p/solarletter-25_es-totalenergies-pone</link><guid isPermaLink="false">https://solarletter.substack.com/p/solarletter-25_es-totalenergies-pone</guid><dc:creator><![CDATA[Imanol Matanza Medina]]></dc:creator><pubDate>Sat, 14 Jun 2025 08:01:09 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!liS9!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdf21dd83-058c-4375-a429-84e605de6b6d_1053x718.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<p>Hola a todos y bienvenidos de nuevo a Solarletter. Mi nombre es <a href="https://www.linkedin.com/in/imanol-matanza-medina-305271150/">Imanol Matanza</a> y trato de compartir contigo las <strong>&#250;ltimas noticias, avances tecnol&#243;gicos y tendencias en el campo de la energ&#237;a fotovoltaica</strong>. A trav&#233;s de Solarletter, espero aportarte <strong>informaci&#243;n valiosa, an&#225;lisis de mercado, estado del arte y peque&#241;os consejos pr&#225;cticos</strong> que te ayudar&#225;n a mantenerte al tanto de los desarrollos m&#225;s recientes en la industria fotovoltaica. </p><p>Siempre estoy abierto a sugerencias, preguntas y comentarios, as&#237; que no dudes en contactarme. &#161;Si te gusta, no dudes en subscribirte y compartirla!</p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/subscribe"><span>Subscribe now</span></a></p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-25_es-totalenergies-pone?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-25_es-totalenergies-pone?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p><p>Ahora s&#237;, vamos con un par de noticias interesantes!</p><div><hr></div><h4><strong>TotalEnergies pone en marcha su mayor complejo solar en Europa</strong></h4><p><a href="https://totalenergies.com/">TotalEnergies </a>ha celebrado la puesta en marcha de su mayor cl&#250;ster fotovoltaico en suelo europeo, situado en Guillena, en la provincia de Sevilla. El complejo est&#225; formado por cinco plantas solares que, en conjunto, alcanzan una potencia instalada de 263 MWp . Este mastodonte producir&#225; anualmente 515 GWh de energ&#237;a libre de carbono.</p><p>Este se trata del mayor proyecto solar de la compa&#241;&#237;a en Europa hasta la fecha. Adem&#225;s, la electricidad generada ser&#225; suficiente para abastecer a m&#225;s de 150.000 hogares en Espa&#241;a. Desde luego la foto impresiona:</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!liS9!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdf21dd83-058c-4375-a429-84e605de6b6d_1053x718.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!liS9!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdf21dd83-058c-4375-a429-84e605de6b6d_1053x718.png 424w, /__u/substackcdn.com/image/fetch/$s_!liS9!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdf21dd83-058c-4375-a429-84e605de6b6d_1053x718.png 848w, /__u/substackcdn.com/image/fetch/$s_!liS9!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdf21dd83-058c-4375-a429-84e605de6b6d_1053x718.png 1272w, /__u/substackcdn.com/image/fetch/$s_!liS9!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdf21dd83-058c-4375-a429-84e605de6b6d_1053x718.png 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!liS9!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdf21dd83-058c-4375-a429-84e605de6b6d_1053x718.png" width="550" height="375.0237416904084" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/df21dd83-058c-4375-a429-84e605de6b6d_1053x718.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:718,&quot;width&quot;:1053,&quot;resizeWidth&quot;:550,&quot;bytes&quot;:1191739,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://solarletter.substack.com/i/165567902?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdf21dd83-058c-4375-a429-84e605de6b6d_1053x718.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="/__u/substackcdn.com/image/fetch/$s_!liS9!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdf21dd83-058c-4375-a429-84e605de6b6d_1053x718.png 424w, /__u/substackcdn.com/image/fetch/$s_!liS9!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdf21dd83-058c-4375-a429-84e605de6b6d_1053x718.png 848w, /__u/substackcdn.com/image/fetch/$s_!liS9!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdf21dd83-058c-4375-a429-84e605de6b6d_1053x718.png 1272w, /__u/substackcdn.com/image/fetch/$s_!liS9!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdf21dd83-058c-4375-a429-84e605de6b6d_1053x718.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Buena parte de la electricidad generada se comercializar&#225; mediante contratos de compraventa de energ&#237;a (<em>PPA</em>) a largo plazo, mientras que el resto se destinar&#225; al mercado mayorista.</p><p>Este proyecto ha sido declarado de inter&#233;s estrat&#233;gico por la Junta de Andaluc&#237;a y ha supuesto una significativa inversi&#243;n en la econom&#237;a local: se han instalado 400.000 paneles solares bifaciales con seguidores solares o <em>tracker</em>, con la participaci&#243;n de 14 empresas &#8211;m&#225;s de la mitad andaluzas&#8211; y la creaci&#243;n de unos 800 empleos, tanto directos como indirectos.</p><p><a href="https://www.linkedin.com/in/olivier-jouny-4883b0/">Olivier Jouny</a>, vicepresidente s&#233;nior de Renovables de TotalEnergies, destac&#243;:</p><div class="pullquote"><p><em>Agradecemos a las autoridades espa&#241;olas a nivel regional y nacional su apoyo a este proyecto solar que contribuye a la ambici&#243;n espa&#241;ola de alcanzar un 80% de renovables en su mix energ&#233;tico en 2030. Con nuestros 1.700 empleados en Espa&#241;a, estamos construyendo una cartera competitiva de actividades integradas dentro del &#225;mbito de la electricidad, que combina las energ&#237;as renovables y los flexibles ciclos combinados de gas para suministrar energ&#237;a baja en carbono y segura a nuestros clientes las 24 horas. Estamos orgullosos de ser el cuarto mayor proveedor de electricidad, gas y servicios en Espa&#241;a, donde superamos los 2 millones de clientes dom&#233;sticos y empresariales</em></p></div><p>TotalEnergies es una compa&#241;&#237;a energ&#233;tica global que opera en m&#250;ltiples fuentes: petr&#243;leo, biocombustibles, gas natural, gases verdes, renovables y electricidad. A finales de marzo de 2025, la compa&#241;&#237;a alcanz&#243; una capacidad bruta instalada de 28 GW en renovables, con el objetivo de llegar a los 35 GW antes de finalizar el a&#241;o y superar los 100 TWh de producci&#243;n neta en 2030.</p><p>_</p><h4><strong>Bater&#237;as: el pilar ignorado de la transici&#243;n energ&#233;tica</strong></h4><p>En un reciente post en LinkedIn de <a href="https://www.linkedin.com/posts/dr-patrick-schulz-5676917a_netzdienlichkeit-bess-baugb-activity-7335197868355444739-rnI0?utm_source=share&amp;utm_medium=member_desktop&amp;rcm=ACoAACRYl3UBmt4av1EIUMbYzMyEz_7ILQZgAag">Dr. Patrick Schulz</a> resume con precisi&#243;n los desaf&#237;os a los que se enfrentan los proyectos de bater&#237;as actualmente en Alemania. A pesar de ser esenciales para la integraci&#243;n masiva de renovables y para garantizar la estabilidad de la red, estos sistemas siguen encontrando serios problemas administrativos en el proceso de <em>permitting</em>.</p><p>Cinco argumentos comunes de las autoridades locales que frenan el despliegue de bater&#237;as en sus procesos de aprobaci&#243;n:</p><ol><li><p><em>"Las bater&#237;as no son &#250;tiles para la red, la sobrecargan"</em><br>Un argumento sin fundamento t&#233;cnico ni respaldo legal: la utilidad para la red no es un criterio legal para autorizar o rechazar un proyecto.</p></li><li><p><em>"El legislador no ha previsto su construcci&#243;n; si quisiera, lo habr&#237;a escrito en la ley."</em><br>Bajo ese criterio, tampoco existir&#237;an subestaciones el&#233;ctricas. Lo que no est&#225; es expresamente prohibido, no es ilegal.</p></li><li><p><em>"Las bater&#237;as se pueden instalar en cualquier lugar, no hace falta construirlas outdoor"</em><br>Falso. Estos sistemas deben estar cerca del punto de conexi&#243;n a la red, que normalmente se encuentra fuera de las zonas urbanas.</p></li><li><p><em>"Una bater&#237;a no es una planta de generaci&#243;n"</em><br>El Tribunal Supremo alem&#225;n ya ha determinado que s&#237; lo es. Fin de la discusi&#243;n.</p></li><li><p><em>"El terreno est&#225; clasificado para uso agr&#237;cola"</em><br>Eso no impide el desarrollo de proyectos de energ&#237;a. Solo indica que a&#250;n no hay planes urban&#237;sticos definidos para ese suelo.</p></li></ol><p><a href="https://www.linkedin.com/in/dr-patrick-schulz-5676917a/">Dr. Patrick Schulz</a> concluye as&#237; su post diciendo:</p><div class="pullquote"><p>&#8220;Si seguimos bloqueando el desarrollo de bater&#237;as, estamos bloqueando activamente la transici&#243;n energ&#233;tica. Necesitamos con urgencia criterios unificados y un cambio de mentalidad en las autoridades locales.&#8221;</p></div><p>_</p><h4><strong>Brasil brilla con un 88% de electricidad verde en 2024</strong></h4><p>Interesante noticia que llega de la mano de <a href="https://www.pv-magazine.com/2025/06/02/brazil-generates-88-of-power-from-renewables-in-2024/">PV-Magazine</a> acerca de Brasil. All&#237; se gener&#243; el 88% de su electricidad a partir de fuentes renovables en 2024, seg&#250;n datos de la <a href="https://www.epe.gov.br/en">agencia estatal EPE</a>. La energ&#237;a e&#243;lica y la solar representaron juntas el 24% del total, consolid&#225;ndose como fuentes clave en la matriz el&#233;ctrica del pa&#237;s. Aqu&#237; el <a href="http://chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/https://www.epe.gov.br/sites-en/publicacoes-dados-abertos/publicacoes/PublicacoesArquivos/publicacao-270/BEN_S%C3%ADntese_2025_EN.pdf">Link</a> al &#8220;<em>Summary Report 2025</em>&#8221;.</p><p>Cabe destacar que la generaci&#243;n solar distribuida (principalmente en tejados y peque&#241;as instalaciones) alcanz&#243; 41.006 GWh, lo que equivale al 5,6% de la producci&#243;n el&#233;ctrica nacional. En total, el 50 % del mix energ&#233;tico del pa&#237;s (no s&#243;lo de la energ&#237;a consumida por el sistema el&#233;ctrico) fue renovable, el nivel m&#225;s alto desde 1989, gracias al aporte constante de la hidroel&#233;ctrica, la biomasa de ca&#241;a de az&#250;car y el crecimiento de otras fuentes como el viento, el licor negro y el biodi&#233;sel.</p><blockquote><p><em>Hago un peque&#241;o inciso aqu&#237; para aquellos que nunca hayan escuchado al &#8220;licor negro&#8221; como fuente de energ&#237;a. es la primera vez que leo acerca de &#233;l, pero se trata de algo proveniente especialmente de la industria papelera</em> (<a href="https://eddypump.com/es/bombeo-de-licor-negro-que-es-y-como-puede-ayudar-la-bomba-eddy/">Link explicativo aqu&#237;</a>).</p></blockquote><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!SbNa!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F82ef1fd9-d7ce-40ee-8543-a30b47b6a2eb_1292x678.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!SbNa!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F82ef1fd9-d7ce-40ee-8543-a30b47b6a2eb_1292x678.png 424w, /__u/substackcdn.com/image/fetch/$s_!SbNa!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F82ef1fd9-d7ce-40ee-8543-a30b47b6a2eb_1292x678.png 848w, /__u/substackcdn.com/image/fetch/$s_!SbNa!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F82ef1fd9-d7ce-40ee-8543-a30b47b6a2eb_1292x678.png 1272w, /__u/substackcdn.com/image/fetch/$s_!SbNa!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F82ef1fd9-d7ce-40ee-8543-a30b47b6a2eb_1292x678.png 1456w" sizes="100vw"><img 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href="/__u/substackcdn.com/image/fetch/$s_!yRiT!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F286fbcb6-ff5c-41fc-b8a3-c2720a2fb615_525x446.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!yRiT!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F286fbcb6-ff5c-41fc-b8a3-c2720a2fb615_525x446.png 424w, /__u/substackcdn.com/image/fetch/$s_!yRiT!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F286fbcb6-ff5c-41fc-b8a3-c2720a2fb615_525x446.png 424w, /__u/substackcdn.com/image/fetch/$s_!yRiT!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F286fbcb6-ff5c-41fc-b8a3-c2720a2fb615_525x446.png 848w, /__u/substackcdn.com/image/fetch/$s_!yRiT!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F286fbcb6-ff5c-41fc-b8a3-c2720a2fb615_525x446.png 1272w, /__u/substackcdn.com/image/fetch/$s_!yRiT!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F286fbcb6-ff5c-41fc-b8a3-c2720a2fb615_525x446.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Durante el a&#241;o pasado, se sumaron aproximadamente 3 GW de nueva capacidad fotovoltaica, manteniendo un ritmo de expansi&#243;n sostenido. A cierre de 2024, el pa&#237;s alcanz&#243; 55 GW de capacidad fotovoltaica instalada y aport&#243; junto a la e&#243;lica un 23,7 % del total de la electricidad.</p><p>Adem&#225;s, se observa una creciente electrificaci&#243;n del transporte y otros sectores, lo que refuerza la necesidad de ir incrementando la generaci&#243;n fotovoltaica para abastecer una demanda creciente.</p><p>_</p><h4><strong>Paneles donde menos lo esperas: la revoluci&#243;n solar alternativa</strong></h4><p>Para terminar con la edici&#243;n, vamos con un par de instalaciones que me han sorprendido. Una de ellas ha sido una <em>floating pv</em>, pero esta vez instalada en alta mar junto a parque e&#243;lico <em>offshore. </em>La segunda es algo m&#225;s &#250;nica todav&#237;a, pues ha sido instalada directamente en el espacio entre las v&#237;as de tren. Vamos a echarles un vistazo.</p><p>Los Pa&#237;ses Bajos han iniciado la instalaci&#243;n del primer proyecto del mundo que combina energ&#237;a fotovoltaica y e&#243;lica en el mar. La empresa <a href="https://oceansofenergy.blue/2025/05/20/11074/">Oceans of Energy</a> complet&#243; con &#233;xito los trabajos de instalaci&#243;n del sistema de anclaje para un parque fotovoltaico flotante que se ubicar&#225; dentro del parque e&#243;lico marino <em>Hollandse Kust Noord</em>, operado por <a href="https://www.crosswindhkn.nl/">CrossWind</a>, a 22 km de la costa en el Mar del Norte. En su nota de prensa no han adjuntado ninguna foto, pero esto es lo que he podido encontrar por internet:</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!uQKv!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe2567b2a-b335-4caa-80a9-97c0b3a5e874_687x412.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!uQKv!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe2567b2a-b335-4caa-80a9-97c0b3a5e874_687x412.png 424w, /__u/substackcdn.com/image/fetch/$s_!uQKv!, /__u/solarletter.substack.com/w_848, 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/__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe2567b2a-b335-4caa-80a9-97c0b3a5e874_687x412.png 424w, /__u/substackcdn.com/image/fetch/$s_!uQKv!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe2567b2a-b335-4caa-80a9-97c0b3a5e874_687x412.png 848w, /__u/substackcdn.com/image/fetch/$s_!uQKv!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe2567b2a-b335-4caa-80a9-97c0b3a5e874_687x412.png 1272w, /__u/substackcdn.com/image/fetch/$s_!uQKv!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe2567b2a-b335-4caa-80a9-97c0b3a5e874_687x412.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Este sistema de anclaje permitir&#225; mantener estable el parque solar, que estar&#225; conectado el&#233;ctricamente a una base de turbina e&#243;lica cercana. Esta combinaci&#243;n de tecnolog&#237;as busca tener una producci&#243;n el&#233;ctrica m&#225;s constante, maximizando el uso del espacio marino sin competir por suelo terrestre.</p><p>En el segundo lugar tenemos una <em>start-up</em> suiza <a href="https://www.sun-ways.ch/en">Sun-Ways</a> que ha desarrollado un innovador sistema para instalar paneles fotovoltaicos entre las v&#237;as del tren, dise&#241;ado para colocarse y retirarse r&#225;pidamente sin interrumpir el tr&#225;fico ferroviario. El sistema, actualmente en fase de prueba en la localidad de <em>Buttes</em>, utiliza una m&#225;quina especial que puede instalar hasta 1.000 m&#178; de paneles en pocas horas. Esta soluci&#243;n permite aprovechar el espacio infrautilizado de las v&#237;as y adem&#225;s, facilita la limpieza de los paneles empleando cepillos instalados en los trenes.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!eJL8!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb785721e-3730-45db-a882-8b45934bf863_1300x867.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!eJL8!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb785721e-3730-45db-a882-8b45934bf863_1300x867.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!eJL8!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb785721e-3730-45db-a882-8b45934bf863_1300x867.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!eJL8!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb785721e-3730-45db-a882-8b45934bf863_1300x867.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!eJL8!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb785721e-3730-45db-a882-8b45934bf863_1300x867.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!eJL8!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb785721e-3730-45db-a882-8b45934bf863_1300x867.jpeg" width="494" height="329.46" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/b785721e-3730-45db-a882-8b45934bf863_1300x867.jpeg&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:867,&quot;width&quot;:1300,&quot;resizeWidth&quot;:494,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;The start-up Sun-Ways has installed solar panels between the rails of a railway line near Buttes, canton Neuch&#226;tel. in western Switzerland.&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="The start-up Sun-Ways has installed solar panels between the rails of a railway line near Buttes, canton Neuch&#226;tel. in western Switzerland." title="The start-up Sun-Ways has installed solar panels between the rails of a railway line near Buttes, canton Neuch&#226;tel. in western Switzerland." srcset="/__u/substackcdn.com/image/fetch/$s_!eJL8!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb785721e-3730-45db-a882-8b45934bf863_1300x867.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!eJL8!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb785721e-3730-45db-a882-8b45934bf863_1300x867.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!eJL8!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb785721e-3730-45db-a882-8b45934bf863_1300x867.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!eJL8!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb785721e-3730-45db-a882-8b45934bf863_1300x867.jpeg 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>La instalaci&#243;n de prueba est&#225; compuesta de momento por 48 paneles. La clave del proyecto est&#225; en su rapidez de instalaci&#243;n, uso de infraestructura existente y m&#237;nima alteraci&#243;n del entorno. Al igual que la <em>floating pv</em> vista anteriormente, esto las convierte en una opci&#243;n atractiva para expandir la energ&#237;a fotovoltaica sin ocupar nuevos terrenos (algo de lo muchos empiezan a estar preocupados). Desde luego un proyecto muy interesante que me despierta m&#250;ltiples desaf&#237;os t&#233;cnicos.</p><div id="youtube2-OUWGQMoRS7Y" class="youtube-wrap" data-attrs="{&quot;videoId&quot;:&quot;OUWGQMoRS7Y&quot;,&quot;startTime&quot;:null,&quot;endTime&quot;:null}" data-component-name="Youtube2ToDOM"><div class="youtube-inner"><iframe src="https://www.youtube-nocookie.com/embed/OUWGQMoRS7Y?rel=0&amp;autoplay=0&amp;showinfo=0&amp;enablejsapi=0" frameborder="0" loading="lazy" gesture="media" allow="autoplay; fullscreen" allowautoplay="true" allowfullscreen="true" width="728" height="409"></iframe></div></div><p>_</p><h4><strong>El consejillo de la edici&#243;n</strong></h4><p>Como en cada edici&#243;n de la <em>Solarletter</em>, nos gusta poner el foco en decisiones aparentemente menores que, sin embargo, marcan la diferencia en el dise&#241;o y operaci&#243;n de un proyecto fotovoltaico. Hoy toca hablar de una opci&#243;n poco vista en general: &#191;instalar los cables por el aire o enterrarlos?</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!DnbM!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F86980e3c-83b9-4580-897f-3ef05d4b8eb6_700x525.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!DnbM!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F86980e3c-83b9-4580-897f-3ef05d4b8eb6_700x525.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!DnbM!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F86980e3c-83b9-4580-897f-3ef05d4b8eb6_700x525.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!DnbM!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F86980e3c-83b9-4580-897f-3ef05d4b8eb6_700x525.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!DnbM!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_webp, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F86980e3c-83b9-4580-897f-3ef05d4b8eb6_700x525.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!DnbM!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F86980e3c-83b9-4580-897f-3ef05d4b8eb6_700x525.jpeg" width="448" height="336" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/86980e3c-83b9-4580-897f-3ef05d4b8eb6_700x525.jpeg&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:525,&quot;width&quot;:700,&quot;resizeWidth&quot;:448,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Wire and Cable Management Buyer's Guide 2021 | Solar Builder&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Wire and Cable Management Buyer's Guide 2021 | Solar Builder" title="Wire and Cable Management Buyer's Guide 2021 | Solar Builder" srcset="/__u/substackcdn.com/image/fetch/$s_!DnbM!, /__u/solarletter.substack.com/w_424, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F86980e3c-83b9-4580-897f-3ef05d4b8eb6_700x525.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!DnbM!, /__u/solarletter.substack.com/w_848, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F86980e3c-83b9-4580-897f-3ef05d4b8eb6_700x525.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!DnbM!, /__u/solarletter.substack.com/w_1272, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F86980e3c-83b9-4580-897f-3ef05d4b8eb6_700x525.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!DnbM!, /__u/solarletter.substack.com/w_1456, /__u/solarletter.substack.com/c_limit, /__u/solarletter.substack.com/f_auto, /__u/solarletter.substack.com/q_auto:good, /__u/solarletter.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F86980e3c-83b9-4580-897f-3ef05d4b8eb6_700x525.jpeg 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Alguna vez me he encontrado fotos en internet c&#243;mo la anterior, las cuales me hacen ponerme a pensar en las posibles ventajas y desventajas del tendido a&#233;reo. Aqu&#237; algunas conclusiones:</p><p><strong>Ventajas:</strong></p><ul><li><p><strong>Menor coste de instalaci&#243;n y menor interacci&#243;n con el suelo:</strong> No hay necesidad de abrir zanjas ni compactar terreno. Es m&#225;s r&#225;pido y econ&#243;mico, especialmente en terrenos duros o rocosos. (Desconozco otro mercados, pero en Alemania el desecho de las piedras tiene un coste asociado&#8230;)</p></li><li><p><strong>F&#225;cil mantenimiento y acceso:</strong> Localizar fallos es m&#225;s sencillo. Los trabajos de reparaci&#243;n o sustituci&#243;n pueden hacerse con rapidez, sin excavaci&#243;n ni maquinaria.</p></li><li><p><strong>Flexibilidad:</strong> En plantas peque&#241;as o distribuidas, esta opci&#243;n permite redise&#241;os o ampliaciones m&#225;s f&#225;cilmente.</p></li></ul><p><strong>Desventajas:</strong></p><ul><li><p><strong>Mayor exposici&#243;n a da&#241;os mec&#225;nicos:</strong> Por tractores de limpieza de m&#243;dulos o cortadores de c&#233;sped, veh&#237;culos o incluso la facilidad para los ladrones...</p></li><li><p><strong>Problemas t&#233;rmicos:</strong> El aire disipa el calor, s&#237;, pero en cableados muy cargados, la acumulaci&#243;n de calor sin la amortiguaci&#243;n t&#233;rmica del suelo puede ser un riesgo. Especialmente en regiones c&#225;lidas.</p></li><li><p><strong>O&amp;M m&#225;s complejo:</strong> Los cables pueden obstaculizar ciertas tareas de operaci&#243;n, como la limpieza de m&#243;dulos o el mantenimiento del terreno.</p></li><li><p><strong>Peor integraci&#243;n est&#233;tica: </strong>Al final que se vean los cables, hace la instalaci&#243;n &#8220;algo&#8221; m&#225;s fea (o por lo menos esa es mi opini&#243;n).</p></li></ul><p>A la hora de decidir, no solo hay que mirar los costes, hay que pensar en el futuro de la planta, el entorno, la operaci&#243;n, y en qui&#233;n tendr&#225; que mantenerla funcionando los pr&#243;ximos 20-30 a&#241;os.</p><div><hr></div><p>Hasta aqu&#237; la edici&#243;n. Espero que os haya gustado y amenizado el caf&#233;, el viaje en transporte p&#250;blico o inicio de la siesta. <strong>Cualquier sugerencia, recomendaci&#243;n o comentario pod&#233;is responder a este mismo correo</strong>.</p><p>Si te ha gustado, ay&#250;dame a darle un segundo empuj&#243;n <strong>compartiendolo en tus redes sociales, con tus amigos o compa&#241;eros de trabajo</strong>. Y si no te ha gustado, te pido disculpas, pero no se aceptan devoluciones.</p><div class="captioned-button-wrap" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-25_es-totalenergies-pone?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="CaptionedButtonToDOM"><div class="preamble"><p class="cta-caption">Thank you for reading Solarletter. This post is public so feel free to share it.</p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/p/solarletter-25_es-totalenergies-pone?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/p/solarletter-25_es-totalenergies-pone?utm_source=substack&amp;utm_medium=email&amp;utm_content=share&amp;action=share"><span>Share</span></a></p></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://solarletter.substack.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="/__u/solarletter.substack.com/subscribe"><span>Subscribe now</span></a></p><p>&#161;Saludos solares!</p>]]></content:encoded></item></channel></rss>