What is U.S. electricity generation by energy source? - FAQ - U.S. Energy Information Administration (EIA)

In 2015, the United States generated about 4 trillion kilowatthours of electricity.1  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 2015:1 

• Coal = 33%
• Natural gas = 33%
• Nuclear = 20%
• Hydropower = 6%
• Other renewables = 7%
  • Biomass = 1.6%
  • Geothermal = 0.4%
  • Solar = 0.6%
  • Wind = 4.7%
• Petroleum = 1%
• Other gases =