<P> Wind power in the United States is a branch of the energy industry that has expanded quickly over the latest several years . For calendar year 2016, wind power in the United States amounted to 226.5 terawatt - hours, or 5.55% of all generated electrical energy . </P> <P> As of January 2017, the U.S. nameplate generating capacity for wind power was 82,183 megawatts (MW). This capacity is exceeded only by China and the European Union . Thus far, wind power's largest growth in capacity was in 2012, when 11,895 MW of wind power was installed, representing 26.5% of new power capacity . </P> <P> In 2016, Nebraska became the eighteenth state to have installed over 1,000 MW of wind power capacity . Texas, with over 20,000 MW of capacity, had the most installed wind power capacity of any U.S. state at the end of 2016 . Texas also had more under construction than any other state currently has installed . The state generating the highest percentage of energy from wind power is Iowa . North Dakota has the most per capita wind generation . The Alta Wind Energy Center in California is the largest wind farm in the United States with a capacity of 1548 MW . GE Energy is the largest domestic wind turbine manufacturer . </P> <P> The first municipal use of multiple wind - electric turbines in the USA may have been a five turbine system in Pettibone, North Dakota in 1940 . These were commercial Wincharger units on guyed towers . </P>

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