Flat roof with new kind of rolled thin-film Solar Panels.

Roof with thin-film Solar Cells from a combination of copper, indium, gallium, and selenium which is placed on a flexible foil. Its first product line is a set of solar panels designed for the flat roofs of commercial buildings. The panels are lighter than glass-encased panels and can be installed quicker than other technologies, SoloPower CEO Tim Harris said in a statement. The panels can be laminated onto rooftops and mounted on racks to tilt the panels, Harris told Gunther Portofolio.

Homeowners have long been able to partially power their homes with sunlight, but it meant clumsily mounting photovoltaic (PV) panels on the roof. Now the latest generation of PV panels look and act much like ordinary roofing tiles or shingles. And the National Institute of Standards and Technology (NIST) is evaluating nine of these commercial PV roofing products in hopes of providing an easy way for consumers to judge the panels' power potential.

"A lot of people are considering the use of PV products on their homes and businesses, and in order to make decisions on whether it's a worthwhile investment you need to predict their performance," says Hunter Fanney, head of NIST's Heat Transfer and Alternative Energy Systems Group in Gaithersburg, MD. "We are collecting detailed performance data to validate those models."

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