Global largest nuclear power reactors 2023, by gross capacity

Leading nuclear power reactors in operation worldwide as of December 2023, by gross capacity

CharacteristicGross capacity in megawatts
Taishan*
(China)
1,750
Olkiluoto 3
(Finland)
1,660
Civaux*
(France)
1,561
Chooz B-2
(France)
1,560
Grand Gulf 1
(United States)
1,500
Saeul 2
(South Korea)
1,491
Saeul 1
(South Korea)
1,488
Shin-Hanul 1
(South Korea)
1,455
Oskarshamn 3
(Sweden)
1,450
Barakah*
(United Arab Emirates)
1,417
Palo Verde*
(United States)
1,414
Peach Bottom*
(United States)
1,412
Created with Highcharts 7.2.2Gross capacity in megawatts1,7501,7501,6601,6601,5611,5611,5601,5601,5001,5001,4911,4911,4881,4881,4551,4551,4501,4501,4171,4171,4141,4141,4121,412Taishan*(China)Olkiluoto 3(Finland)Civaux*(France)Chooz B-2(France)Grand Gulf 1(United States)Saeul 2(South Korea)Saeul 1(South Korea)Shin-Hanul 1(South Korea)Oskarshamn 3(Sweden)Barakah*(United Arab Emirates)Palo Verde*(United States)Peach Bottom*(United States)
01002003004005006007008009001,0001,1001,2001,3001,4001,5001,6001,7001,8001,9002,000
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Release date

July 2024

Region

Worldwide

Survey time period

December 31, 2023

Supplementary notes

* 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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