Ranking · 2026

Countries with nuclear power

1🇺🇸 United States

96,952 MWe · 94 reactors

2🇫🇷 France

62,085 MWe · 56 reactors

3🇨🇳 China

55,355 MWe · 59 reactors · 24 under construction

4🇯🇵 Japan

31,679 MWe · 33 reactors · 2 under construction

5🇷🇺 Russia

25,852 MWe · 35 reactors · 5 under construction

6🇰🇷 South Korea

25,609 MWe · 26 reactors · 2 under construction

7🇺🇦 Ukraine

13,107 MWe · 15 reactors · 2 under construction

8🇨🇦 Canada

12,714 MWe · 17 reactors

9🇮🇳 India

7,559 MWe · 24 reactors · 7 under construction

10🇪🇸 Spain

7,123 MWe · 7 reactors

11🇸🇪 Sweden

7,008 MWe · 6 reactors

12🇬🇧 United Kingdom

5,883 MWe · 9 reactors · 2 under construction

13🇦🇪 United Arab Emirates

5,348 MWe · 4 reactors

14🇫🇮 Finland

4,369 MWe · 5 reactors

15🇨🇿 Czech Republic

3,963 MWe · 6 reactors

16🇧🇪 Belgium

3,908 MWe · 5 reactors

17🇵🇰 Pakistan

3,262 MWe · 6 reactors

18🇨🇭 Switzerland

2,973 MWe · 4 reactors

19🇸🇰 Slovakia

2,302 MWe · 5 reactors · 1 under construction

20🇧🇾 Belarus

2,220 MWe · 2 reactors

21🇧🇬 Bulgaria

2,006 MWe · 2 reactors

22🇭🇺 Hungary

1,916 MWe · 4 reactors

23🇧🇷 Brazil

1,884 MWe · 2 reactors · 1 under construction

24🇿🇦 South Africa

1,854 MWe · 2 reactors

25🇦🇷 Argentina

1,641 MWe · 3 reactors · 1 under construction

26🇲🇽 Mexico

1,552 MWe · 2 reactors

27🇷🇴 Romania

1,300 MWe · 2 reactors

28🇹🇼 Taiwan

938 MWe · 1 reactors

29🇮🇷 Iran

915 MWe · 1 reactors · 1 under construction

30🇸🇮 Slovenia

696 MWe · 1 reactors

31🇵🇭 Philippines

621 MWe · 1 reactors

32🇳🇱 Netherlands

482 MWe · 1 reactors

33🇦🇲 Armenia

416 MWe · 1 reactors

34🇰🇵 North Korea

5 MWe · 1 reactors · 1 under construction

35🇧🇩 Bangladesh

no reactors operating · 2 under construction

36🇪🇬 Egypt

no reactors operating · 4 under construction

37🇹🇷 Türkiye

no reactors operating · 4 under construction