The U.S. solar energy industry installed a record 1,855 megawatts (MW) of photovoltaic (PV) capacity in 2011, according to the latest U.S. Solar Market Insight report. The amount represents a 109% growth rate over the previous year and is enough to power more than 370,000 homes. The total more than doubled the previous annual record of 887 MW set in 2010.
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