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Electricity explained  

Data for the United States for 2022 (except where noted).

Note: MW = megawatts, MWh = megawatthours, KW = kilowatts, and kWh = kilowatthours

Electricity generation from utility-scale power plants (net generation) 1
Total net generation 4,230,672 thousand MWh or about 4.23 trillion kWh
Share of total net generation by energy source  
Natural gas 38.9%
Coal 19.7%
Nuclear 18.2%
Renewables total 21.3%
Wind 10.3%
Hydroelectric (conventional) 6.0%
Solar (total) 3.4%
Biomass (total) 1.2%
Geothermal 0.4%
Petroleum and other sources 2 0.8%
Number of electricity generators 25,378
Number of power plants 12,538
Largest power plant by net generation Palo Verde (nuclear)—31,942,793 MWh or about 31.9 billion kWh
Electricity generation capacity of utility-scale power plants (net summer capacity) 1
Total net capacity
1,161,432 MW or about 1.16 billion KW
Share of capacity by energy source  
Natural gas 43.3%
Renewables total 26.6%
Wind 10.1%
Solar (total) 5.3%
Biomass (total) 0.3%
Geothermal 0.2%
Hydroelectric (total) 8.9%
Conventional hydro 6.9%
Pumped storage hydro 2.0%
Coal 16.3%
Nuclear 8.2%
Petroleum (total) 2.6%
Other 1.0%
  Total may not equal 100% because of independent rounding.
Largest power plant by capacity Grand Coulee Dam (hydroelectric)—7,079 MW
Electricity consumption (end use) and price
Total end use 4,066,894,770 MWh or about 4.07 trillion kWh
Share of end use by type  
Electricity retail sales (total) 96.6%
Direct use of electricity 3.4%
Electricity retail sales (total) and percentage shares by sector 3,927,169,069 MWh or about 3.93 trillion kWh
Residential sector 38.4%
Commercial sector 35.4%
Industrial sector 26.0%
Transportation sector 0.2%
Largest electric utility by retail sales (within state) Florida Power and Light Company—126,708,937 MWh or about 127 billion kWh
Retail prices by sector (average annual)  
Residential 15.04 cents per kWh
Commercial 12.41 cents per kWh
Industrial   8.32 cents per kWh
Transportation 11.59 cents per kWh
Average (all sectors) 12.36 cents per kWh
State retail price rankings (average annual price for all sectors) Highest—Hawaii at 39.72 cents per kWh
Lowest—Wyoming at 8.24 cents per kWh
Average residential monthly consumption 889 kWh
Average residential monthly bill $135.25
Largest electric utility by total retail sales revenues (within state) Florida Power and Light—$15.46 billion
Emissions from electric power plants  
Carbon dioxide (CO2) 1,650,367 thousand metric tons (about 1.65 billion metric tons or about 1.82 billion short tons)
Sulfur dioxide (SO2) 1,079 thousand metric tons (about 1.08 million metric tons or about 1.19 million short tons)
Nitrogen oxides (NOx) 1,230 thousand metric tons (about 1.23 million metric tons or about 1.36 million short tons

1 Utility-scale power plants have at least one MW of electric generation capacity.
2 Includes petroleum coke, petroleum liquids, other gases, other miscellaneous sources not included above, and pumped-storage hydroelectricity.

Last updated: October 26, 2023, with data available at the time of update.