In 2023, the capacity factor of nuclear power plants in the United States averaged at around 93.1 percent, a slight increase when compared to the previous year. That was also the third-highest figure reported in the indicated period, only behind 2019.
Capacity factor of nuclear power plants in the United States from 1975 to 2023
Characteristic
Capacity factor
2023
93.1%
2022
92.7%
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%
Created with Highcharts 7.2.2Capacity factor55.9%55.9%56.3%56.3%58%58%66%66%77.4%77.4%88.1%88.1%89.3%89.3%91.1%91.1%89.1%89.1%86.1%86.1%89.9%89.9%91.7%91.7%92.3%92.3%92.3%92.3%92.3%92.3%92.5%92.5%93.4%93.4%92.4%92.4%92.8%92.8%92.7%92.7%93.1%93.1%197519801985199019952000200520102011201220132014201520162017201820192020202120222023
55%60%65%70%75%80%85%90%95%100%
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* Estimated.
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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EIA. (May 24, 2024). Capacity factor of nuclear power plants in the United States from 1975 to 2023 [Graph]. In Statista. Retrieved February 26, 2025, from https://www.statista.com/statistics/191201/capacity-factor-of-nuclear-power-plants-in-the-us-since-1975/
EIA. "Capacity factor of nuclear power plants in the United States from 1975 to 2023." Chart. May 24, 2024. Statista. Accessed February 26, 2025. https://www.statista.com/statistics/191201/capacity-factor-of-nuclear-power-plants-in-the-us-since-1975/
EIA. (2024). Capacity factor of nuclear power plants in the United States from 1975 to 2023. Statista. Statista Inc.. Accessed: February 26, 2025. https://www.statista.com/statistics/191201/capacity-factor-of-nuclear-power-plants-in-the-us-since-1975/
EIA. "Capacity Factor of Nuclear Power Plants in The United States from 1975 to 2023." Statista, Statista Inc., 24 May 2024, https://www.statista.com/statistics/191201/capacity-factor-of-nuclear-power-plants-in-the-us-since-1975/
EIA, Capacity factor of nuclear power plants in the United States from 1975 to 2023 Statista, https://www.statista.com/statistics/191201/capacity-factor-of-nuclear-power-plants-in-the-us-since-1975/ (last visited February 26, 2025)
Capacity factor of nuclear power plants in the United States from 1975 to 2023 [Graph], EIA, May 24, 2024. [Online]. Available: https://www.statista.com/statistics/191201/capacity-factor-of-nuclear-power-plants-in-the-us-since-1975/
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