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In 2008, the production capacities of this energy increased by 50 percent compared to 2007, according to data provided by the Worldwatch Institute. Texas, as the largest power producer, generates 7,100 megawatts which is equivalent to the energy output of 10 coal plants.
The United States has nearly 30,000 megawatts, powering nearly 17 million homes. The country currently has 29,000 MW of wind power. In the first quarter of 2009, 2,790 MW were installed and in the third quarter 1,210 MW.