Solx, Caelux agree to perovskite commercialization partnership

April 21, 2026 at 1:00 PM
Martin McConnell
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<p>Solar manufacturer Solx and perovskite solar technology firm Caelux have announced a five-year, 3 GW partnership revolving around their &#8220;breakthrough&#8221; U.S.-made high-performance solar modules. The collaboration will integrate Caelux&#8217;s energy-producing... <a class="view-article" href="https://solarbuildermag.com/news/solx-caelux-agree-to-perovskite-commercialization-partnership/">View Article</a></p> <p>-- Solar Builder magazine</p>

<figure class="wp-block-image size-large"><img alt="Factory-Production-Line-26-001" class="wp-image-40157" height="467" src="https://solarbuildermag.com/wp-content/uploads/2022/05/Factory-Production-Line-26-001-700x467.jpg" width="700" /></figure>

<p>Solar manufacturer <a href="https://solx-energy.com/">Solx</a> and perovskite solar technology firm <a href="https://caelux.com/">Caelux</a> have announced a five-year, 3 GW partnership revolving around their &#8220;breakthrough&#8221; U.S.-made <a href="https://solarbuildermag.com/pv-modules/tandem-pv-opens-next-generation-solar-manufacturing-facility/">high-performance solar modules</a>.</p>

<p>The collaboration will integrate Caelux&#8217;s energy-producing glass products into Solx&#8217;s Aurora-brand platform, the companies say. The partnership will enable the creation of a solar module with double the number of power generation layers, which could increase efficiency of 28%, delivering &#8220;significantly more&#8221; power than normal.</p>

<p>&#8220;This is a defining moment for American energy manufacturing. U.S.-made hybrid tandem is no longer a theoretical, it&#8217;s now in commercialized production,&#8221; says James Holmes, co-founder and CEO of Solx.&nbsp;&#8220;We&#8217;ve integrated Caelux&#8217;s leading glass technology into our domestic manufacturing platform, engineered for gigawatt-scale production. This is how the U.S. leads again, by building the energy future at scale.&#8221;</p>

<p>The new partnership represents a &#8220;critical landmark&#8221; for the energy infrastructure of the U.S., the companies say. The agreement will help transition Caelux&#8217;s technology from low-volume production to gigawatt-scale deployment.</p>

<p>Additionally, the companies claim the new agreement will help create a stronger supply chain in the American solar market. Matt Card, CEO of solar cell manufacturer <a href="https://suniva.com/">Suniva</a>, says that supply chain strength is &#8220;essential&#8221; to the country&#8217;s wider energy future.</p>

<p>&#8220;This partnership demonstrates what&#8217;s possible when U.S. manufacturers and technology leaders align,&#8221; Card says. &#8220;By supplying domestically produced solar cells into Solx&#8217;s Aurora platform while also incorporating Caelux&#8217;s Active Glass, we are strengthening domestic energy security, creating high-quality American jobs, and enabling the next generation of solar innovation.&#8221;</p>

<figure class="wp-block-image size-large"><img alt="Caelux perovskite solar technology" class="wp-image-58947" height="466" src="https://solarbuildermag.com/wp-content/uploads/2026/04/Caelux-1-700x466.jpg" width="700" /></figure>

<h3 class="wp-block-heading" id="h-meeting-today-s-energy-needs">Meeting today&#8217;s energy needs</h3>

<p>The new partnership will establish a fully U.S.-based solar supply chain for Solx&#8217;s manufacturing platform. In addition, the move will support the Aurora module&#8217;s large-scale production, which is key as the <a href="https://solarbuildermag.com/featured/data-center-download-how-hyperscalers-are-shaping-the-solar-storage-market/">data center boom</a> takes over the U.S. energy market.</p>

<p>&#8220;Leading the market in the commercialization of double power layer modules, this partnership revolutionizes the American energy industry to meet growing energy demand,&#8221; says Caelux CEO Scott Graybeal.</p>

<p>The two companies have a plan in place to continue their collaboration, representatives say. The long-term plan will aim to &#8220;cement a path forward for American energy technology leadership&#8221; through meeting domestic energy demand, domestically.</p>

<p>&#8220;Our partnership with Solx is the largest production agreement of its kind for energy producing <a href="https://solarbuildermag.com/pv-modules/tandem-pv-glass-and-quantum-dots-two-u-s-pv-innovations-closer-to-commercialization/">perovskite glass</a> in the Western Hemisphere,&#8221; says Aaron Thurlow, SVP of sales for Caelux.&nbsp;&#8220;While licensing has occurred in the industry, our agreement is a true production deal with volume and purchase commitments, deploying the technology to the broader market.&#8221;</p>
<p>-- Solar Builder magazine</p>

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