The following is a list of Japanese nuclear power plants. After the Fukushima Daiichi nuclear disaster, all 17 major plants were shut down. As of 2022, only 6 out of 17 major nuclear power plants operate in the country, operated by the Kyushu Electric Power (Kyuden), Shikoku Electric Power Company (Yonden) and Kansai Electric Power Company (Kanden).
identifier Plant pending restart approval Pending restart with government approval Plant operating with limited capacity (some reactors pending restart approval) Plant operating at full operational capacity Plant shut down indefinitelyParts of plant shut down for maintenance or refuelling
Nuclear power station Photo Location Coordinates Status Units References Fukushima Daiichi Nuclear Power Plant Ōkuma Facility damaged beyond repair during the 2011 Great Tohoku Earthquake. 6 (all in decommissioning phase) Fukushima Daini Nuclear Power Plant Naraha Facility rendered inoperable due to seawater deluge caused by the 2011 Great Tohoku Earthquake. 4 (all in decommissioning phase) Genkai Nuclear Power Plant Genkai Units 3 and 4 in operation. Units 1 and 2 are permanently shut down. 4 (2 in decommissioning phase) Hamaoka Nuclear Power Plant Omaezaki Facility indefinitely shut down due to unsafe seismic conditions. 5 Higashidōri Nuclear Power Plant Higashidōri Facility currently shut down pending restart following the 2011 Great Tohoku Earthquake. 2 Ikata Nuclear Power Plant Ikata Unit 3 in operation. 3 (1 in decommissioning phase) Kashiwazaki-Kariwa Nuclear Power Plant Kashiwazaki Unit 6 in operation. Units 7 ready for restart however there is no specified solution for units 1-5. 7 (largest nuclear generating station in the world by net electrical power rating) Mihama Nuclear Power Plant Mihama Unit 3 in operation 3 Ōi Nuclear Power Plant Ōi Units 3 and 4 are in operation. Units 1 and 2 are permanently shut down. 4 (2 in decommissioning phase) Onagawa Nuclear Power Plant Onagawa Unit 2 in operation. 3 Sendai Nuclear Power Plant Satsumasendai All units are in operation. 2 Shika Nuclear Power Plant Shika Plant under consideration for decommissioning due to the presence of fault lines underneath the reactors. 2 Shimane Nuclear Power Plant Matsue Facility currently shut down pending restart following the 2011 Great Tohoku Earthquake, construction on unit 3 halted. 3 Takahama Nuclear Power Plant Takahama Units 1, 3, and 4 are in operation. Unit 2 was restarted September 15, 2023, and plans to restart commercial operations in October 2023. 4 Tōkai Nuclear Power Plant Tōkai The facility has been decommissioned. The oldest nuclear power plant in Japan. 2 (1 decommissioned, 1 shut down) Tomari Nuclear Power Plant Tomari, Shiribeshi Subprefecture Facility currently shut down pending restart following the 2011 Great Tohoku Earthquake. 3 Tsuruga Nuclear Power Plant Tsuruga Due to seismic conditions the plant remains shut down following the 2011 Great Tohoku Earthquake. 2 (1 decommissioned, 2 under construction)
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