In 2007, renewable sources of energy accounted for about 7% of total U.S. energy consumption and 9.4% of electricity generation. (Source: EIA)
Fossil fuels provide more than 85% of all the energy consumed in the US, nearly two-thirds of our electricity, and virtually all of our transportation fuels. (Source: DOE)
Electricity generation accounts for about 40% of total U.S. energy consumption. (Source: Institute for 21st Century Energy)