For total energy used in the U.S.: (2005 data from US Department of Energy) Fossil Fuels account for 85% Oil (petroleum) 40.5% Coal 23% Natural Gas 23% Nuclear power electricity 8% Renewable sources account for about 6% Hydroelectric 2.7% Biomass 2.7% Geothermal, Wind, Solar < 1% Electricity in the U.S. is produced by: Coal 50% Nuclear 20% Natural gas 18% Hydroelectric 7% Oil 3% Other Renewable Sources 2.1% other gases and non-biomass garbage <1% http://www.eia.doe.gov/cneaf/electricity/epm/table1_1.html California Electric Power Generation: Natural Gas 32% Coal 27.5% Hydroelectric 21.7% Nuclear 10% Renewables 8.5% |
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