Nuclear Power Plants in Japan

42 plants · 86,091 MW total installed capacity

#	Power plant	Capacity (MW)	Year
1	Kashiwazaki Kariwa	8,212	1985
2	Ohi	4,710	1976
3	Fukushima Daina	4,400	2014
4	Fukushima Daini Nuclear Power Plant	4,400	1982
5	Hamaoka	3,617	2005
6	Hamaoka Nuclear Power Plant	3,504	1971
7	Genkai	3,478	1996
8	Genkai Nuclear Power Plant	3,478	1975
9	Genkai Nuclear Power Station	3,478	1975
10	Takahama Nuclear Power Plant	3,392	2015
11	Takahama	3,392	1976
12	Ashihama nuclear power plant	2,700	1996
13	Ōi Nuclear Power Plant	2,254	1979
14	Onagawa	2,174	1994
15	Onagawa Nuclear Power Plant	2,174	1970
16	Tomari Power Station	2,070	2010
17	Tomari Nuclear Power Plant	2,070	1971
18	Ikata	2,022	1972
19	Tomari	2,000	1984
20	Sendai	1,780	2015
21	Shika	1,746	1993
22	Shika Nuclear Power Plant	1,746	1993
23	Sendai Nuclear Power Station	1,692	2015
24	Sendai Nuclear Power Plant	1,692	2015
25	Ikata Nuclear Power Plant	1,456	2005
26	Ōma Nuclear Power Plant	1,383	2010
27	Tsuruga Nuclear Power Plant	1,160	1966
28	Tsuruga	1,160	1970
29	Higashi-Dori	1,100	2006
30	Tōkai Nuclear Power Plant	1,100	1960
31	Tokai Daini	1,100	1987
32	Higashidōri Nuclear Power Plant	1,100	2005
33	Mihama	826	1976
34	Namie-Odaka Nuclear Power Plant	825	1979
35	Shimane	820	2006
36	Shimane Nuclear Power Plant	820	2006
37	Mihama Nuclear Power Plant	780	1967
38	Monju Nuclear Power Plant	280	1994
39	Old Fukushima Daiichi Nuclear Power Plant	0	1971
40	Fukushima Daiichi Nuclear Power Plant	0	1971
41	Kaminoseki Nuclear Power Plant	0	2017
42	Hidaka nuclear power plant	0	1976

Frequently Asked Questions: Nuclear Power in Japan

Japan has 42 Nuclear power plants with a combined installed capacity of 86,091 MW.

Kashiwazaki Kariwa is the largest Nuclear power plant in Japan, with an installed capacity of 8,212 MW, commissioned in 1985.

The most recently commissioned Nuclear power plant in Japan is Kaminoseki Nuclear Power Plant (2017).

The average Nuclear power plant in Japan has a capacity of 2,050 MW.