U.S. nuclear power plants' capacity factor 2022

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In 2022, the capacity factor of nuclear power plants in the United States averaged at around 92.6 percent, slightly down when compared to the previous year. That was also the third-highest figure reported in the indicated period, only behind 2019 and 2021.

Capacity factor of nuclear power plants in the United States from 1975 to 2022

Characteristic	Capacity factor
2022*	92.6%
2021	92.8%
2020	92.4%
2019	93.4%
2018	92.5%
2017	92.3%
2016	92.3%
2015	92.3%
2014	91.7%
2013	89.9%
2012	86.1%
2011	89.1%
2010	91.1%
2005	89.3%
2000	88.1%
1995	77.4%
1990	66%
1985	58%
1980	56.3%
1975	55.9%

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Release date

April 2023

More information

Region

United States

Survey time period

1975 to 2022

Special properties

* estimate

Supplementary notes

According to the source, the Generator Capacity Factor is the ratio of the electric energy produced by a generating unit for a given period of time to the electric energy that could have been produced at continuous full-power operation during the same period. Beginning in 2008, capacity factor data are calculated using a new methodology.

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