Originally Posted by Amputate Your Head

In 2013, the United States generated about 4,058 billion kilowatthours of electricity. About 67% of the electricity generated was from fossil fuel (coal, natural gas, and petroleum), with 39% attributed from coal.

In 2013, energy sources and percent share of total electricity generation were

Coal 39%
Natural Gas 27%
Nuclear 19%
Hydropower 7%
Other Renewable 6%
Biomass 1.48%
Geothermal 0.41%
Solar 0.23%
Wind 4.13%
Petroleum 1%
Other Gases < 1%

Solar: 0.23% Less than 1/4 of 1 percent.