In Pictures: Heliene and Caelux Launch Commercial Perovskite-Silicon Solar Module at 27% Efficiency

The tandem module pairs Caelux's perovskite-doped glass with Heliene's N-type silicon cells to reach 27% efficiency.

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Heliene and Caelux say the perovskite-silicon design is already in commercial production.

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The tandem design boosts conversion efficiency by up to 20% while keeping costs low, according to the manufacturers.

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Commercial rollout of the 27%-efficient module could accelerate adoption of high-output solar installations.

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Perovskite-silicon tandems layer two light-absorbing materials to capture more of the solar spectrum.

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The higher-efficiency modules are aimed at squeezing more power from limited installation space.

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Heliene and Caelux's module marks a step toward commercializing perovskite tandem technology in the US.

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Caelux's perovskite-doped glass sits atop Heliene's silicon cells to lift efficiency without a major cost increase.

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The companies say the tandem module is ready for commercial deployment across utility-scale projects.

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