Friday, January 19, 2007

Off the grid

Strizki runs the 3,000-square-foot house with electricity generated by a 1,000-square-foot roof full of photovoltaic cells on a nearby building, an electrolyzer that uses the solar power to generate hydrogen from water, and a number of hydrogen tanks that store the gas until it is needed by the fuel cell.In the summer, the solar panels generate 60 percent more electricity than the super-insulated house needs. The excess is stored in the form of hydrogen which is used in the winter -- when the solar panels can't meet all the domestic demand -- to make electricity in the fuel cell. Strizki also uses the hydrogen to power his fuel-cell driven car, which, like the domestic power plant, is pollution-free.

Solar power eliminates utility bills in U.S. home - Yahoo! News

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