Frequently Asked Questions

What is U.S. electricity generation by energy source?

In 2014, the United States generated about 4,093 billion kilowatthours of electricity.About 67% of the electricity generated was from fossil fuels (coal, natural gas, and petroleum).

Major energy sources and percent share of total U.S. electricity generation in 2014:

  • Coal = 39%
  • Natural gas = 27%
  • Nuclear = 19%
  • Hydropower = 6%
  • Other renewables = 7%
    • Biomass = 1.7%
    • Geothermal = 0.4%
    • Solar = 0.4%
    • Wind = 4.4%
  • Petroleum = 1%
  • Other gases < 1%

Preliminary data.

Learn more:

Monthly Energy Review: Electricity

Last updated: March 31, 2015


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