Gallery: PVT Solar Panels Generate Heat and Electricity at the Same Tim...


PVT Solar is pioneering an ultra-efficient breed of solar panels that focus not just on incorporating better photovoltaic components, but also take the heat generated by the solar panels and use it to power a solar thermal system. According to the company, these solar cogeneration panels are three times more efficient than anything else out there!

PVT Solar is funded by Vinod Koshla, the founder of Sun Microsystems. According to a profile on the New York Times, what drew Mr. Koshla to the company was the remarkable achievement in efficiency that the company was able to generate. Standard photovoltaic systems generate electrical energy from the sun, while solar thermal systems takes heat from the sun to heat something, like water, for consumption within a home. PVT Solar is aiming to marry both systems into one, since photovoltaic systems are known to release excess heat that isn’t used.

Aside from taking waste heat and giving it an actual use, this combination would also have the added benefit of making the solar panel cooler, which in turn would make it more efficient, thus generating more energy. PVT Solar is the latest company to commercialize solar cogeneration technology, and is the first to really consider deploying a system for residential use.

+ PVT solar

Via New York Times


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  1. sahasranaman June 22, 2012 at 11:20 am

    Harnessing solar energy, totally, require “a well designed modular hybrid device that has a specially designed receiver” housing conc. solar cell (ml-mj Ga.As. compound material to handle high temperature) for PV- DC & water circulation system to evacuate high temp. heat out side the receiver, delivered at user point, as surge of energy, to meet field demand. A fresnel lens is used as convergent (1:500 sun) and sun tracker to keep the receiver face the sun throughout sunshine period. This device will collect over three time energy compared to two fixed collectors. The modular device is light weight compact can be mounted on roof top, laid in rows & gangs for stand alone, multi mega watt systems as off grid & grid feed. the system can be mounted on structures leaving the space below for other use. This device alone can meet solar mission target of 22,000 MWe by 2022. Solicit commercialization joint venture proposals.

  2. miggsathon June 2, 2009 at 3:27 pm

    Solar cogen is a wonderful development, particularly since cogen is already in common use at manufacturing plants and other large institutions around the country. Still, it could be used far more, as DOE and EPA estimates suggest that cogeneration and waste energy recovery could slash U.S. greenhouse gas emissions by 20%. That’s as much as if we took every passenger vehicle off the road.

    To be sure, I’m biased: I’m associated with Recycled Energy Development, which does precisely this kind of work. But the reason I’m involved is the massive potential to cut costs and global warming at the same time.

  3. Andrew Leinonen June 2, 2009 at 12:39 pm

    Solar cogeneration strikes me as a very good idea…

  4. cbass June 1, 2009 at 5:33 pm

    My sister-in-law and their family just bought a new home in Utah with this very system on the roof. It\\\’s phenomenally efficient and very good looking. Here\\\’s a news article about the house: I\\\’ve enjoyed following their energy usage and production on the website that PVT Solar has given them.

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