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Electricity explained  

Data for the United States for 2019 (except where noted).

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

Electricity generation from utility-scale power plants (net generation)
Total net generation 4,126,882 thousand MWh or about 4.13 trillion kWh
Share of total net generation by energy source  
Natural gas 38.4%
Coal 23.4%
Nuclear 19.6%
Nonhydroelectric renewables 10.7%
Hydroelectric (conventional) 7.0%
Petroleum and other sources 1.1%
Number of electricity generators 22,731
Largest power plant by net generation Palo Verde (nuclear)—31,920,368 MWh or about 31.9 billion kWh
Electricity generation capacity of utility-scale generators (net summer capacity)
Total net capacity
1,099,109 MW or about 1.1 billion KW
Share of capacity by energy source  
Natural gas 43.4%
Coal 20.8%
Nonhydroelectric renewables 14.3%
Hydroelectric (total) 9.3%
Conventional hydro 7.3%
Pumped storage hydro 2.1%
Nuclear 8.9%
Petroleum 2.9%
Other 0.2%
  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 3,954,609 million kWh or about 3.95 trillion kWh
Share of end use by type  
Electricity retail sales (total) 96.4%
Direct use of electricity 3.6%
Electricity retail sales and shares by sector 3,811,150 million kWh or about 3.8 trillion kWh
Residential sector 37.8%
Commercial sector 35.7%
Industrial sector 26.3%
Transportation sector 0.2%
Largest electric utility by retail sales (within state) Florida Power & Light Company—111,955,723 MWh or about 112 billion kWh
Retail prices by sector (average annual)  
Residential 13.01 cents per kWh
Commercial 10.68 cents per kWh
Industrial   6.81 cents per kWh
Transportation   9.66 cents per kWh
Average 10.54 cents per kWh
State retail price rankings (average annual price for all sectors) Highest—Hawaii at 28.72 cents per kWh
Lowest—Louisiana at 7.71 cents per kWh
Average residential monthly consumption 887 kWh
Average residential monthly bill $115.49
Largest electric utility by retail sales revenues (within state) Florida Power and Light—$11.1 billion
Emissions from electric power plants  
Carbon dioxide (CO2) 1,724,396 thousand metric tons (about 1.72 billion metric tons or about 1.90 billion short tons)
Sulfur dioxide (SO2) 1,267 thousand metric tons (about 1.27 million metric tons or about 1.4 million short tons)
Nitrogen oxides (NOx) 1,342 thousand metric tons (about 1.34 million metric tons or about 1.48 million short tons

Last updated: November 3, 2020