| Unit | Unit1 | Unit2 | Unit3 | Unit4 | Unit5 | Unit6 |
|---|---|---|---|---|---|---|
| Reactor type | BWR-3 | BWR-4 | BWR-4 | BWR-4 | BWR-4 | BWR-5 |
| Primary containment vessel | Mark-1 | Mark-1 | Mark-1 | Mark-1 | Mark-1 | Mark-2 |
| Rated electric output | 460 MWe | 784 MWe | 784 MWe | 784 MWe | 784 MWe | 1,100 MWe |
| Commissioned date | 26 March 1971 | 18 July 1974 | 27 March 1976 | 12 October 1978 | 18 April 1978 | 24 October 1979 |
| Decommissioned date | 19 April 2012 | 19 April 2012 | 19 April 2012 | 19 April 2012 | 31 January 2014 | 31 January 2014 |
| Status at the earthquake attack | Operating | Operating | Operating | Scheduled outage | Scheduled outage | Scheduled outage |
| No. | Title | Description | Provided by | Date of update | Download |
|---|---|---|---|---|---|
| 1 | Plant Specifications | Plant specifications of Unit 1 | TEPCO | 20 December 2012 |