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U.S. Electricity Generation by Energy Source

In 2013, the United States generated about 4,058 billion kilowatthours of electricity. About 67% of the electricity generated was from fossil fuel (coal, natural gas, and petroleum), with 39% attributed from coal. Percent share were:

  • Coal 39%
  • Natural Gas 27%
  • Nuclear 19%
  • Hydropower 7%
  • Other Renewable 6%
  • Petroleum 1%
  • Other Gases < 1%

www.eia.gov