Ranking · 2026

The 50 largest nuclear power plants in the world in 2026

The 50 nuclear power plants with the most net capacity in operation, ordered by MWe, out of 447 reactors in 34 countries.

The largest operating nuclear power plant in the world is Hanul, in South Korea, with 8,716 MWe net across 8 units. Among the top ten, the most represented countries are China (4), South Korea (3) and Japan (1).

#	Plant	Country	Operating units	MWe
1	Hanul	South Korea	8	8,716
2	Kashiwazaki Kariwa	Japan	7	7,965
3	Kori	South Korea	7	7,389
4	Bruce	Canada	8	6,478
5	Hongyanhe	China	6	6,366
6	Tianwan	China	6	6,240
7	Fuqing	China	6	6,150
8	Yangjiang	China	6	6,000
9	Hanbit	South Korea	6	5,813
10	Zaporizhzhia	Ukraine	6	5,700
11	Gravelines	France	6	5,460
12	Barakah	United Arab Emirates	4	5,348
13	Paluel	France	4	5,320
14	Cattenom	France	4	5,200
15	Alvin W Vogtle	United States	4	4,536
16	Ningde	China	4	4,356
17	Flamanville	France	3	4,290
18	Qinshan	China	7	4,172
19	Leningrad	Russia	4	4,052
20	Fangchenggang	China	4	4,000
21	Palo Verde	United States	3	3,937
22	Ling'ao	China	4	3,914
23	Rostov	Russia	4	3,868
24	Kalinin	Russia	4	3,850
25	Balakovo	Russia	4	3,800
26	Cruas	France	4	3,701
27	Tricastin	France	4	3,660
28	Blayais	France	4	3,640
29	Chinon	France	4	3,620
30	Browns Ferry	United States	3	3,610
31	Bugey	France	4	3,580
32	Dampierre	France	4	3,560
33	Novovoronezh	Russia	4	3,536
34	Darlington	Canada	4	3,512
35	Salem	United States	3	3,499
36	Hamaoka	Japan	3	3,473
37	Forsmark	Sweden	3	3,397
38	Olkiluoto	Finland	3	3,355
39	Taishan	China	2	3,320
40	Takahama	Japan	4	3,220
41	Virgil C Summer	United States	3	3,207
42	Chooz	France	2	3,000
43	Civaux	France	2	2,990
44	South Ukraine	Ukraine	3	2,850
45	Smolensk	Russia	3	2,775
46	Nine Mile Point	United States	3	2,703
47	St. Alban	France	2	2,670
48	Penly	France	2	2,660
49	Rivne	Ukraine	4	2,657
50	Peach Bottom	United States	2	2,631