U.S. companies installed a record amount of wind power in 2012, according to an industry study. The American Wind Energy Association's (AWEA) quarterly market report counted 13,124 megawatts installed in the U.S. during 2012. According to AWEA, that represented about $25 billion in private investment. In total, the U.S. now has about 60,000 megawatts of wind capacity.
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