Prices here are state averages across all utilities and rate plans, from the U.S. Energy Information Administration — not the rate on any one bill. Generation-mix figures are reported annually, not real time.

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U.S. Power Plant Technologies

25 generating technologies on record, largest by nameplate capacity first.

1.Natural Gas Fired Combined Cycle521 plants · 339,306.3 MW · 45 states 2.Solar Photovoltaic7,334 plants · 175,112.2 MW · 50 states 3.Conventional Steam Coal186 plants · 174,996.7 MW · 39 states 4.Onshore Wind Turbine1,358 plants · 165,067.3 MW · 42 states 5.Natural Gas Fired Combustion Turbine702 plants · 145,250.5 MW · 49 states 6.Nuclear54 plants · 103,219.8 MW · 28 states 7.Natural Gas Steam Turbine197 plants · 84,199.5 MW · 42 states 8.Conventional Hydroelectric1,317 plants · 76,062 MW · 48 states 9.Batteries627 plants · 38,848.7 MW · 36 states 10.Petroleum Liquids588 plants · 25,126.2 MW · 41 states 11.Hydroelectric Pumped Storage32 plants · 21,060 MW · 16 states 12.Wood/Wood Waste Biomass146 plants · 7,688.3 MW · 31 states 13.Natural Gas Internal Combustion Engine358 plants · 6,401.2 MW · 37 states 14.Geothermal63 plants · 3,905.6 MW · 7 states 15.Petroleum Coke8 plants · 2,292.1 MW · 7 states 16.Municipal Solid Waste54 plants · 2,220.5 MW · 15 states 17.Landfill Gas258 plants · 1,437.6 MW · 43 states 18.All Other41 plants · 1,315.2 MW · 20 states 19.Other Gases20 plants · 1,204.1 MW · 9 states 20.Solar Thermal without Energy Storage6 plants · 998.5 MW · 2 states 21.Offshore Wind Turbine4 plants · 972 MW · 4 states 22.Other Waste Biomass76 plants · 612.9 MW · 23 states 23.Solar Thermal with Energy Storage2 plants · 405 MW · 2 states 24.Other Natural Gas117 plants · 333.9 MW · 6 states 25.Flywheels3 plants · 42 MW · 3 states

Source: U.S. Energy Information Administration, Forms EIA-860/EIA-860M.