The Sunflower rooftop system from Energy Innovations became the first solar photovoltaic concentrator to receive Underwriters Laboratories certification Monday.
The product can therefore qualify for many state solar rebates and for installations on commercial rooftops. With that nod, Energy Innovations hopes to raise as much as $20 million for increased production and to support installations for 2009.
"The UL Mark is one of the most recognized symbols of safety in the world and to say we're thrilled to have our work validated by such an independent and reputable institution would be an understatement," said CEO Bill Gross, in a statement.
The Sunflower's Fresnel lens concentrates sunlight more than 1,000 times, enabling cheaper electricity than traditional photovoltaics, according to its maker. The self-powered, 200-watt system features trackers that shift with the sun's location, as well as a controller and communications system. The low-slung Sunflower is built to withstand winds, and it doesn't need to penetrate a rooftop for installation.

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