Gallery: Pythagorus Solar Windows Offer Breakthrough in Solar Tech for ...


High-rise buildings require a lot of energy to cool in the summer, but they have relatively little space on their small roofs for solar arrays. This quandary got Pythagorus Solar of San Mateo, California, thinking: What if a building’s windows could serve as solar panels? We have already seen this idea put into play before, but Pythagorus put a twist on it. The company’s solar window panels not only generate electricity with thin rows of silicon cells packed between double-pane glass, but they block sunlight from entering and heating a room via a trick of optics. “Instead of heating the room, the light generates clean solar power,” said Gonen Fink, CEO of Pythagoras. “It’s relatively simple and straightforward optics. The challenge is making everything work together.” But wait. Doesn’t blocking light defeat the purpose of windows?

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1 Comment

  1. caeman June 27, 2011 at 10:40 am

    So, maybe a future requirement for all high-rise buildings is the inclusion of these type of windows?

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