A Michigan company, Energy Conversion Devices, plans to announce Tuesday that it is providing the solar electric system for what it says will be the world's largest rooftop array, on a General Motors assembly plant in Zaragoza, Spain.
The project will be 12 megawatts, a huge number in a field where most arrays are measured in kilowatts, units 1,000 times smaller.
The project will use solar devices manufactured in rolls, like carpet runners. Installation will be completed this fall, according to the company, which is based in Rochester Hills, Michigan Energy Conversion will supply the equipment to Veolia Environment and Clairvoyant Energy, which will lease the rooftop space from GM and own and operate the installation, which will be two million square feet.
Energy Conversion Devices on Briefing.com (ENER)
Spain has become a center of solar installations because it offers generous subsidies, 0.42 euro a kilowatt-hour (66 cents). That is about five times the average cost of a kilowatt hour to residential customers in the United States. The Spanish government is considering a reduction in the subsidy for installations after September....MORE
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