| Participating Utility | Operating Reactors | Shutdown Reactors |
|---|---|---|
| Chubu Electric Power Co. | Hamaoka 3, 4, 5 | Hamaoka 1, 2 |
| Chugoku Electric Power Co. | Shimane 2 | Shimane 1 |
| Hokkaido Electric Power Co. | Tomari 1, 2, 3 | |
| Hokuriku Electric Power Co. | Shika 1, 2 | |
| Japan Atomic Energy Agency | Fugen | |
| Japan Atomic Power Co. | Tokai 2 Tsuruga 2 |
Tokai 1 Tsuruga 1 |
| Kansai Electric Power Co. | Mihama 3 Ohi 3, 4 Takahama 1, 2, 3, 4 |
Mihama 1, 2 Ohi 1, 2 |
| Kyushu Electric Power Co. | Genkai 3, 4 Sendai 1, 2 |
Genkai 1, 2 |
| Shikoku Electric Power Co. | Ikata 3 | Ikata 1, 2 |
| Tohoku Electric Power Co. | Higashidori 1 Onagawa 2, 3 |
Onagawa 1 |
| Tokyo Electric Power Co. Holdings, Inc. | Kashiwazaki Kariwa 1, 2, 3, 4, 5, 6, 7 | Fukushima Daiichi 1, 2, 3, 4, 5, 6 Fukushima Daini 1, 2, 3, 4 |