Fukushima Daiichi
Reactor Data
Reactor Units
Every power reactor at this site as listed in the IAEA Power Reactor Information System (PRIS): reactor type and model, net electrical capacity, grid connection and commercial operation dates, and current status.
6 units: 6 permanent shutdown.
| Unit | Type | Model | Net MWe | Construction | Grid | Commercial Op | Shutdown | Status |
|---|---|---|---|---|---|---|---|---|
| Fukushima-Daiichi 1 | BWR | BWR-3 | 439 | 1967-07-25 | 1970-11-17 | 1971-03-26 | 2011-05-19 | Permanent Shutdown |
| Fukushima-Daiichi 2 | BWR | BWR-4 | 760 | 1969-06-09 | 1973-12-24 | 1974-07-18 | 2011-05-19 | Permanent Shutdown |
| Fukushima-Daiichi 3 | BWR | BWR-4 | 760 | 1970-12-28 | 1974-10-26 | 1976-03-27 | 2011-05-19 | Permanent Shutdown |
| Fukushima-Daiichi 5 | BWR | BWR-4 | 760 | 1972-05-22 | 1977-09-22 | 1978-04-18 | 2013-12-17 | Permanent Shutdown |
| Fukushima-Daiichi 4 | BWR | BWR-4 | 760 | 1973-02-12 | 1978-02-24 | 1978-10-12 | 2011-05-19 | Permanent Shutdown |
| Fukushima-Daiichi 6 | BWR | BWR-5 | 1,067 | 1973-10-26 | 1979-05-04 | 1979-10-24 | 2013-12-17 | Permanent Shutdown |
Capacity, milestones and suppliers
| Unit | Design MWe | Gross MWe | Thermal MWt | First Criticality | Reactor Supplier | Turbine Supplier | Notes |
|---|---|---|---|---|---|---|---|
| Fukushima-Daiichi 1 | 439 | 460 | 1,380 | 1970-10-10 | GENERAL ELECTRIC CO. / GENERAL ELECTRIC TECHNICAL SERVICES CO. | GENERAL ELECTRIC CO. / GENERAL ELECTRIC TECHNICAL SERVICES CO. | |
| Fukushima-Daiichi 2 | 760 | 784 | 2,381 | 1973-05-10 | GENERAL ELECTRIC CO. / TOSHIBA CORPORATION | GENERAL ELECTRIC CO./ TOSHIBA CORPORATION / GENERAL ELECTRIC TECHNICAL SERVICES CO. | |
| Fukushima-Daiichi 3 | 760 | 784 | 2,381 | 1974-09-06 | TOSHIBA CORPORATION | TOSHIBA CORPORATION | |
| Fukushima-Daiichi 5 | 760 | 784 | 2,381 | 1977-08-26 | TOSHIBA CORPORATION | TOSHIBA CORPORATION | |
| Fukushima-Daiichi 4 | 760 | 784 | 2,381 | 1978-01-28 | HITACHI, LTD. | HITACHI, LTD. | |
| Fukushima-Daiichi 6 | 1,067 | 1,100 | 3,293 | 1979-03-09 | GENERAL ELECTRIC CO. / TOSHIBA CORPORATION | GENERAL ELECTRIC CO. / GENERAL ELECTRIC TECHNICAL SERVICES CO. |
Lifetime performance, through 2025
| Unit | Electricity Supplied | Load Factor | Energy Availability | Operating Factor |
|---|---|---|---|---|
| Fukushima-Daiichi 1 | 82.4 TWh | 53.3% | 54.0% | 56.1% |
| Fukushima-Daiichi 2 | 148.2 TWh | 60.8% | 61.5% | 64.3% |
| Fukushima-Daiichi 3 | 155.9 TWh | 65.3% | 65.7% | 67.6% |
| Fukushima-Daiichi 5 | 156.4 TWh | 65.5% | 65.8% | 67.5% |
| Fukushima-Daiichi 4 | 154.3 TWh | 70.0% | 70.2% | 71.8% |
| Fukushima-Daiichi 6 | 206.7 TWh | 64.2% | 64.4% | 65.3% |
Operator: Tokyo Electric Power Company Holdings, Inc.
Owner: Tokyo Electric Power Company Holdings, Inc.
Source: IAEA Power Reactor Information System (PRIS), as of 2026-10-12.
Fuel Cycle Facilities
Fuel cycle plants at this site, as listed in the IAEA Nuclear Fuel Cycle Facilities Database: what each plant does, its scale and design capacity, the years it operated, its current status and who operates it.
2 facilities: 2 others.
| Facility | Type | Scale | Design Capacity | Operated | Status | Operator |
|---|---|---|---|---|---|---|
| Fukushima Daiichi NPP site SFSF | AFR Dry Spent Fuel Storage | Commercial | 408 Cask-Bund. | 1995– | Others | Tokyo Electric Power Company |
| Fukushima Daiichi NPP Site SFSF | AFR Wet Spent Fuel Storage (Pool) | Commercial | 6840 Cask-Bund. | 1997– | Others | Tokyo Electric Power Company |
Source: IAEA Nuclear Fuel Cycle Facilities Database (NFCFDB), as of 2026-10-13.
Working Here
Per Diem Rates FY 2026
Per diem covers lodging and meals & incidental expenses (M&IE) for government and contractor travel near this facility. Rates are from the U.S. State Department foreign per diem tables for FY 2026.
$208
Lodging/Night
$107
M&IE/Day
$315
Total/Day
Japan: rate for locations the State Department does not list separately
U.S. Department of State foreign per diem, for U.S. government and contractor travel.
Facility Map
Interactive satellite map showing the facility's geographic location. Marker color indicates current status: green for online, red for offline, orange for reduced power. Click the header to open in Google Maps satellite view.
37.4246, 141.031
Location & Contact
Physical address, phone number, and website for this facility. Use the directions link to get driving directions via Google Maps.