Tandem PV is a U.S.-based solar technology company specializing in the development and manufacture of perovskite-silicon tandem solar panels. The company combines thin-film perovskite layers with conventional silicon modules to produce panels that have achieved 30% efficiency, representing approximately 40% more power output in the same physical footprint compared to standard silicon panels. Tandem PV targets utility-scale solar infrastructure and is designed to integrate seamlessly into existing solar supply chains.
The company's mission centers on restoring U.S. leadership in solar manufacturing and delivering a generational step change in solar performance at a time when global energy demand is surging due to AI growth, electrification, and energy security needs. Conventional silicon solar technology has approached its practical efficiency limits, and Tandem PV positions its perovskite-silicon tandem approach as the critical next phase of solar evolution, manufactured domestically in the United States.
What distinguishes Tandem PV is its combination of industry-leading efficiency, demonstrated long-term durability — with accelerated testing showing less than 1% annual degradation — and a lower total cost of ownership by generating more energy per panel without significantly increasing cost per watt. The company holds a growing portfolio of patents covering perovskite-layer technology, system design, and durability innovations, and has attracted backing from notable investors including Eclipse. Former U.S. Energy Secretary Jennifer Granholm has joined its board, underscoring the company's strategic significance in clean energy.
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