What is U.S. electricity generation by energy source?
In 2016, about 4.08 trillion kilowatthours (kWh) of electricity1 were generated at utility-scale facilities in the United States.2 About 65% of this electricity generation was from fossil fuels (coal, natural gas, petroleum, and other gases), about 20% was from nuclear energy, and about 15% was from renewable energy sources. The U.S. Energy Information Administration (EIA) estimates that an additional 19 billion kWh (or about 0.02 trillion kWh) of electricity generation was from small-scale solar photovoltaic systems in 2016.3
Major energy sources and percent shares of U.S. electricity generation at utility-scale facilities in 20161
- Natural gas = 33.8%
- Coal = 30.4%
- Nuclear = 19.7%
- Renewables (total) = 14.9%
- Hydropower = 6.5%
- Wind = 5.6%
- Biomass = 1.5%
- Solar = 0.9%
- Geothermal = 0.4%
- Petroleum = 0.6%
- Other gases = 0.3%
- Other nonrenewable sources = 0.3%
- Pumped storage hydroelectricity = -0.2%4
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