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Several U.S. Energy Information Administration product releases scheduled for the week of June 20, 2022, will be delayed as a result of systems issues.

Electric Power Monthly

Data for March 2022 Release Date: May 24, 2022 Next Release Date: June 27, 2022 full reportPDF
SAS Output
Table 6.07.B. Capacity Factors for Utility Scale Generators Primarily Using Non-Fossil Fuels

  Geothermal Hydroelectric Nuclear Other Biomass Other Gas Solar Wind Wood
Year/Month   Photovoltaic Thermal  
  Time Adjusted Capacity Capacity Factor Time Adjusted Capacity Capacity Factor Time Adjusted Capacity Capacity Factor Time Adjusted Capacity Capacity Factor Time Adjusted Capacity Capacity Factor Time Adjusted Capacity Capacity Factor Time Adjusted Capacity Capacity Factor Time Adjusted Capacity Capacity Factor Time Adjusted Capacity Capacity Factor
Annual Data
2012 2,531.8 68.3% 78,296.6 39.6% 101,166.0 86.6% 4,639.7 63.3% 1,802.8 59.6% 1,527.1 20.4% 476.0 23.6% 49,458.0 31.8% 7,089.1 61.3%
2013 2,509.5 71.8% 78,873.5 38.8% 99,006.8 90.8% 4,949.7 62.3% 2,171.6 55.9% 3,525.2 24.5% 552.1 17.4% 59,175.6 32.4% 7,887.9 59.0%
2014 2,513.3 72.0% 79,582.8 37.2% 98,569.3 91.7% 5,114.6 62.7% 1,994.0 54.0% 6,555.6 25.6% 1,445.3 18.3% 60,587.8 34.0% 8,319.7 60.0%
2015 2,523.0 71.9% 79,650.8 35.7% 98,614.6 92.3% 5,104.5 62.6% 2,527.7 60.8% 9,521.6 25.5% 1,697.3 21.7% 67,106.2 32.2% 9,024.5 59.3%
2016 2,516.6 71.6% 79,806.0 38.2% 99,364.8 92.3% 5,099.5 62.7% 2,458.8 64.8% 14,161.4 25.0% 1,757.9 22.1% 74,162.7 34.5% 8,979.8 58.3%
2017 2,460.4 73.2% 79,698.8 43.0% 99,619.5 92.3% 5,125.6 61.8% 2,375.8 62.8% 21,940.9 25.6% 1,757.9 21.8% 83,355.6 34.6% 8,807.5 60.2%
2018 2,391.5 76.0% 79,771.9 41.9% 99,605.2 92.5% 5,059.0 61.8% 2,543.9 65.4% 27,143.3 25.1% 1,757.9 23.6% 89,228.5 34.6% 8,760.2 60.6%
2019 2,535.2 69.6% 79,838.0 41.2% 98,836.7 93.4% 4,786.5 62.5% 2,504.1 67.4% 31,840.8 24.3% 1,758.1 21.2% 97,564.8 34.4% 8,485.0 59.0%
2020 2,561.5 69.1% 79,810.4 40.7% 97,238.3 92.4% 4,653.8 62.5% 2,275.2 64.6% 39,458.1 24.2% 1,747.9 20.6% 107,387.7 35.3% 8,327.2 57.8%
2021 2,588.5 71.0% 79,995.7 37.1% 95,747.9 92.7% 4,561.8 63.5% 2,264.7 62.4% 51,047.1 24.6% 1,631.0 20.5% 123,937.5 34.6% 8,199.4 59.5%
Year 2020
January 2,554.7 59.0% 79,765.8 41.3% 98,093.5 101.6% 4,700.3 64.5% 2,275.2 69.7% 35,875.0 15.7% 1,747.9 8.2% 103,858.1 36.2% 8,351.2 62.6%
February 2,554.7 67.7% 79,765.8 46.6% 98,093.5 96.5% 4,700.9 62.6% 2,275.2 67.2% 37,077.5 20.6% 1,747.9 14.6% 104,551.4 39.9% 8,321.7 63.0%
March 2,554.7 75.5% 79,765.8 40.1% 98,093.5 87.7% 4,700.0 65.0% 2,275.2 57.9% 37,500.2 21.8% 1,747.9 14.7% 104,636.5 37.5% 8,321.7 59.2%
April 2,540.1 72.8% 79,765.8 40.4% 97,082.0 83.9% 4,700.0 63.4% 2,275.2 60.6% 37,735.2 27.5% 1,747.9 24.3% 106,196.7 38.6% 8,321.7 56.2%
May 2,550.8 69.9% 79,769.8 50.5% 97,082.0 89.1% 4,698.0 62.9% 2,275.2 62.6% 38,408.7 31.4% 1,747.9 31.7% 106,475.5 35.4% 8,321.7 54.7%
June 2,550.8 67.6% 79,769.8 48.8% 97,082.0 96.2% 4,622.3 60.0% 2,275.2 64.1% 38,802.8 32.1% 1,747.9 29.9% 107,334.9 38.7% 8,308.0 55.2%
July 2,571.9 68.3% 79,771.8 45.1% 97,082.0 96.1% 4,619.2 63.0% 2,275.2 65.7% 39,865.9 33.3% 1,747.9 33.3% 107,951.1 28.2% 8,308.0 56.0%
August 2,571.9 68.0% 79,793.0 39.2% 97,082.0 95.5% 4,619.2 63.7% 2,275.2 66.9% 40,454.3 29.0% 1,747.9 28.2% 108,153.1 28.4% 8,308.0 58.5%
Sept 2,571.9 68.3% 79,793.0 32.5% 97,082.0 94.0% 4,618.4 61.6% 2,275.2 68.3% 41,058.4 24.8% 1,747.9 22.5% 108,677.1 29.3% 8,346.0 56.4%
October 2,571.9 65.9% 79,919.7 31.6% 97,102.0 82.2% 4,617.1 59.5% 2,275.2 60.5% 41,672.4 21.7% 1,747.9 20.0% 109,470.5 34.9% 8,346.0 54.3%
November 2,571.9 74.0% 79,919.7 36.3% 96,500.6 88.9% 4,629.9 60.7% 2,275.2 64.4% 42,042.0 17.9% 1,747.9 13.0% 109,794.4 41.1% 8,346.0 57.5%
December 2,571.9 71.8% 79,921.7 36.2% 96,500.6 97.3% 4,621.9 63.5% 2,275.2 67.9% 42,910.0 14.9% 1,747.9 7.1% 111,449.8 36.5% 8,326.5 60.5%
Year 2021
January 2,571.9 71.1% 79,952.9 43.4% 96,531.0 99.9% 4,578.0 65.1% 2,275.2 71.0% 46,381.4 16.2% 1,747.9 6.3% 118,385.8 34.1% 8,325.7 61.5%
February 2,571.9 75.4% 79,957.9 40.2% 96,531.0 97.0% 4,579.0 63.4% 2,275.2 68.0% 46,770.7 19.7% 1,747.9 11.4% 119,491.9 33.1% 8,325.7 60.8%
March 2,571.9 64.6% 79,956.7 36.3% 96,531.0 88.7% 4,569.4 65.0% 2,275.2 64.5% 47,453.6 25.1% 1,747.9 19.8% 120,458.7 44.0% 8,182.7 60.7%
April 2,571.9 68.6% 79,957.5 33.4% 95,491.6 82.2% 4,569.4 64.0% 2,275.2 57.4% 49,068.2 29.4% 1,739.9 26.7% 121,374.3 40.9% 8,182.7 53.7%
May 2,596.7 70.2% 79,962.7 38.3% 95,491.6 89.2% 4,558.2 63.8% 2,275.2 59.8% 49,601.1 31.9% 1,739.9 30.2% 121,887.9 36.4% 8,182.7 57.4%
June 2,596.7 75.2% 79,999.6 41.8% 95,491.6 96.1% 4,557.5 64.2% 2,275.2 64.5% 50,254.9 31.3% 1,739.9 25.8% 123,250.7 29.4% 8,182.7 61.9%
July 2,596.7 71.8% 80,027.1 37.1% 95,491.6 96.9% 4,558.6 63.4% 2,275.2 66.2% 51,060.0 30.2% 1,559.9 22.3% 124,899.1 22.9% 8,167.5 60.6%
August 2,596.7 70.1% 80,024.7 35.3% 95,491.6 97.8% 4,558.6 62.4% 2,250.2 65.3% 52,011.0 28.9% 1,559.9 29.6% 126,166.9 28.5% 8,167.5 62.5%
Sept 2,596.7 72.2% 80,024.7 31.2% 95,491.6 93.8% 4,547.3 62.6% 2,250.2 64.4% 53,484.7 27.6% 1,559.9 26.8% 126,505.3 31.4% 8,167.5 60.2%
October 2,596.7 67.3% 80,027.2 30.2% 95,491.6 80.2% 4,555.3 61.3% 2,250.2 63.3% 54,510.7 21.9% 1,479.9 19.9% 126,853.5 34.1% 8,172.5 57.0%
November 2,596.7 71.4% 80,027.2 35.5% 95,491.6 91.3% 4,557.3 61.0% 2,250.2 52.6% 55,338.1 19.0% 1,479.9 17.9% 128,269.8 38.7% 8,172.5 56.5%
December 2,596.7 74.6% 80,027.1 43.1% 95,491.6 99.5% 4,554.1 65.5% 2,250.2 51.7% 56,344.3 14.1% 1,479.9 8.5% 129,394.1 41.6% 8,172.5 61.2%
Year 2022
January 2,596.7 77.0% 80,031.0 45.4% 95,488.8 99.3% 4,542.4 61.3% 2,241.3 63.6% 59,717.0 17.4% 1,479.9 11.3% 132,428.3 38.5% 8,150.7 59.7%
February 2,596.7 71.0% 80,036.0 44.0% 95,484.4 96.4% 4,535.0 60.5% 2,241.3 60.4% 60,751.9 21.9% 1,479.9 15.9% 133,744.3 42.4% 8,150.7 63.1%
March 2,596.7 68.1% 80,047.6 43.9% 95,484.4 88.9% 4,533.4 59.4% 2,241.3 55.9% 61,177.1 25.1% 1,479.9 23.1% 134,250.7 43.1% 8,156.1 57.9%

Values for 2020 and prior years are final. Values for 2021 and 2022 are preliminary.
Time adjusted capacity for month rows is the summer capacity of generators in operation for the entire month; units that began operation during the month or that retired during the month are excluded. Time adjusted capacity for year rows is a time weighted average of the month rows.
Capacity factors are a comparison of net generation with available capacity. See the technical note for an explanation of how capacity factors are calculated.
Sources: U.S. Energy Information Administration, Form EIA-923, Power Plant Operations Report; U.S. Energy Information Administration, Form EIA-860, 'Annual Electric Generator Report' and Form EIA-860M, 'Monthly Update to the Annual Electric Generator Report.'