Present States of Operation
Nuclear Regulation Authority
Last update : 1 May 2026
Tomari Power Station, Hokkaido Electric Power Co, Inc.
- Unit 1
- Suspended
- Unit 2
- Suspended
- Unit 3
- Suspended
Higashidori Nuclear Power Station, Tohoku Electric Power Co, Inc.
- Unit 1
- Suspended
Onagawa Nuclear Power Station, Tohoku Electric Power Co, Inc.
- Unit 1
- Under Decommissioning
- Unit 2
- Suspended
- Unit 3
- Suspended
Kashiwazaki-Kariwa Nuclear Power Station, Tokyo Electric Power Company Holdings, Inc.
- Unit 1
- Suspended
- Unit 2
- Suspended
- Unit 3
- Suspended
- Unit 4
- Suspended
- Unit 5
- Suspended
- Unit 6
- Operation
- Unit 7
- Suspended
Fukushima Daiichi Nuclear Power Station, Tokyo Electric Power Company Holdings, Inc.
- Unit 1
- Decommissioning
- Unit 2
- Decommissioning
- Unit 3
- Decommissioning
- Unit 4
- Decommissioning
- Unit 5
- Decommissioning
- Unit 6
- Decommissioning
Fukushima Daini Nuclear Power Station, Tokyo Electric Power Company Holdings, Inc.
- Unit 1
- Under Decommissioning
- Unit 2
- Under Decommissioning
- Unit 3
- Under Decommissioning
- Unit 4
- Under Decommissioning
Tokai Dai-ni Power Station, the Japan Atomic Power Company
Suspended
Tokai Power Station, the Japan Atomic Power Company
Under Decommissioning
Hamaoka Nuclear Power Station, Chubu Electric Power Co., Inc.
- Unit 1
- Under Decommissioning
- Unit 2
- Under Decommissioning
- Unit 3
- Suspended
- Unit 4
- Suspended
- Unit 5
- Suspended
Shika Nuclear Power Station, Hokuriku Electric Power Company
- Unit 1
- Suspended
- Unit 2
- Suspended
Tsuruga Power Station, Japan Atomic Power Co., Inc.
- Unit 1
- Under Decommissioning
- Unit 2
- Suspended
Fast Breeder Reactor Monju, Japan Atomic Energy Agency
Under Decommissioning
Fugen Decommissioning Engineering Center, Japan Atomic Energy Agency
Under Decommissioning
Mihama Power Station, Kansai Electric Power Co., Inc.
- Unit 1
- Under Decommissioning
- Unit 2
- Under Decommissioning
- Unit 3
- Suspended
Ohi Power Station, Kansai Electric Power Co., Inc.
- Unit 1
- Under Decommissioning
- Unit 2
- Under Decommissioning
- Unit 3
- Operation
- Unit 4
- Suspended
Takahama Power Station, Kansai Electric Power Co., Inc.
- Unit 1
- Operation
- Unit 2
- Suspended
- Unit 3
- Suspended
- Unit 4
- Operation
Shimane Nuclear Power Station, Chugoku Electric Power Co., Inc.
- Unit 1
- Under Decommissioning
- Unit 2
- Suspended
Ikata Power Station, Shikoku Electric Co., Inc.
- Unit 1
- Under Decommissioning
- Unit 2
- Under Decommissioning
- Unit 3
- Operation
Genkai Nuclear Power Station, Kyushu Electric Power Co., Inc.
- Unit 1
- Under Decommissioning
- Unit 2
- Under Decommissioning
- Unit 3
- Operation
- Unit 4
- Operation
Sendai Nuclear Power Station, Kyusyu Electric Power Co., Inc.
- Unit 1
- Operation
- Unit 2
- Operation
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