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American solar module manufacturer Heliene Inc. and Caelux Corporation, a global perovskite solar technology provider, have entered into an agreement to make their Hybrid-Tandem™ solar module available for commercial-scale production in the U.S. market.
The module, which offers a conversion efficiency of over 27%, will be displayed at Heliene’s booth (#W16546) at RE+, North America’s largest renewable energy trade show, scheduled to take place from November 17–19 in Las Vegas, Nevada.
Manufactured by Heliene in Minnesota, the perovskite-silicon technology combines Caelux’s Energy Producing Glass with Heliene’s established silicon module platform. The technology integrates two separate power-generation layers to deliver higher power density.
The two companies have entered into a multi-year, multi-gigawatt agreement to commercialize the Hybrid-Tandem™ module. Heliene is already producing the module at its Mountain Iron, Minnesota, facility, with an initial industrial-scale commercial order underway.
The modules will be available for delivery in 2027. Caelux’s technology is compatible with Heliene’s manufacturing platform, enabling the companies to offer customers domestically produced modules that can be integrated with multiple cell types and industry-standard glass sizes. The companies are targeting module efficiencies exceeding 29% by 2028.
The module, with an efficiency of over 27%, incorporates two power-generation layers: Caelux’s perovskite glass and N-type silicon solar cells. These dual power-generation layers increase the electricity output per module by transforming the top glass used in conventional solar modules into an additional power-generation layer. When combined with compatible silicon solar cells, this enables the Hybrid-Tandem™ module to generate up to 20% more energy than a conventional N-type solar module.
The modules exceed the efficiency limits of conventional silicon-only modules, allowing customers to achieve the same energy output using significantly less space. This could reduce the overall land area or rooftop space required for solar installations.
“One of the advantages of Caelux’s technology is that we can integrate its Energy Producing Glass into our existing manufacturing lines without having to build an entirely new production setup,” said Martin Pochtaruk, CEO and Founder of Heliene. “With both companies manufacturing in the U.S., we’re bringing together two fully domestic supply chains to advance what’s possible with American-made solar, besides the fact that partnering with true friends also makes it fun.”
For commercial and utility customers, the modules are expected to generate more electricity within the same installation area, an advantage that is particularly relevant for rooftop solar installations. The technology could also enable residential customers to offset a greater share of their electricity bills without requiring additional roof space.
Caelux’s Energy Producing Glass technology offers the potential for significant cost savings and increased power capacity through a substantial improvement in module efficiency across major solar project segments, including residential, commercial, and utility-scale installations.
“Heliene is a true leader in U.S. manufacturing, and we share a belief that when we lead the market, our customers win. Together, we’re commercializing ultra-high-efficiency solar modules that will set a new bar for American-made solar,” said Caelux CEO Scott Graybeal.
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