What is U.S. electricity generation by energy source?
In 2012, the United States generated about 4,054 billion kilowatthours of electricity. About 68% of the electricity generated was from fossil fuel (coal, natural gas, and petroleum), with 37% attributed from coal.
Energy sources and percent share of total electricity generation in 2012 were:
Coal 37%
Natural Gas 30%
Nuclear 19%
Hydropower 7%
Other Renewable 5%
Biomass 1.42%
Geothermal 0.41%
Solar 0.11%
Wind 3.46%
Petroleum 1%
Other Gases < 1%