The largest nuclear reactor worldwide based on gross capacity was Taishan, in China, with a gross capacity of 1,750 megawatts as of December 31, 2022. Furthermore, two out of the four leading nuclear power reactors were located in France. These were Civaux and Chooz, which had a gross capacity of 1,561 and 1,560 megawatts, respectively.
In that same year, there were a total of 411 operational nuclear reactors and eight nuclear reactors under construction across the globe.
Leading nuclear power reactors in operation worldwide as of December 2022, by gross capacity
(in megawatts)
* This statistic includes one reactor of each power plant, despite some nuclear power plants having more than one reactor with the same capacity, such as:
- Taishan has two identical reactors under operation, Taishan 1 and Taishan 2.
- Civaux has two identical reactors under operation, Civaux 1 and Civaux 2.
- Barakah has three identical reactors under operation, Barakah 1, Barakah 2, and Barakah 3.
- Palo Verde has three identical reactors under operation, Palo Verde 1, Palo Verde 2 and Palo Verde 3.
- Peach Bottom has two identical reactors under operation, Peach Bottom 2 and Peach Bottom 3.
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IAEA. (August 29, 2023). Leading nuclear power reactors in operation worldwide as of December 2022, by gross capacity (in megawatts) [Graph]. In Statista. Retrieved July 22, 2024, from https://www.statista.com/statistics/273111/largest-nuclear-power-reactors-worldwide-by-capacity/
IAEA. "Leading nuclear power reactors in operation worldwide as of December 2022, by gross capacity (in megawatts)." Chart. August 29, 2023. Statista. Accessed July 22, 2024. https://www.statista.com/statistics/273111/largest-nuclear-power-reactors-worldwide-by-capacity/
IAEA. (2023). Leading nuclear power reactors in operation worldwide as of December 2022, by gross capacity (in megawatts). Statista. Statista Inc.. Accessed: July 22, 2024. https://www.statista.com/statistics/273111/largest-nuclear-power-reactors-worldwide-by-capacity/
IAEA. "Leading Nuclear Power Reactors in Operation Worldwide as of December 2022, by Gross Capacity (in Megawatts)." Statista, Statista Inc., 29 Aug 2023, https://www.statista.com/statistics/273111/largest-nuclear-power-reactors-worldwide-by-capacity/
IAEA, Leading nuclear power reactors in operation worldwide as of December 2022, by gross capacity (in megawatts) Statista, https://www.statista.com/statistics/273111/largest-nuclear-power-reactors-worldwide-by-capacity/ (last visited July 22, 2024)
Leading nuclear power reactors in operation worldwide as of December 2022, by gross capacity (in megawatts) [Graph], IAEA, August 29, 2023. [Online]. Available: https://www.statista.com/statistics/273111/largest-nuclear-power-reactors-worldwide-by-capacity/
