Electricity Generation By Energy Source

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 = <1 li="">

¹ Preliminary data; based on generation by utility-scale facilities.

(EIA)