Shimane
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.
3 units: 1 operational, 1 under construction, 1 permanent shutdown.
Net capacity in service: 789 MWe.
| Unit | Type | Model | Net MWe | Construction | Grid | Commercial Op | Shutdown | Status |
|---|---|---|---|---|---|---|---|---|
| Shimane 1 | BWR | BWR-3 | 439 | 1970-07-02 | 1973-12-02 | 1974-03-29 | 2015-04-30 | Permanent Shutdown |
| Shimane 2 | BWR | BWR-5 | 789 | 1985-02-02 | 1988-07-11 | 1989-02-10 | Operational | |
| Shimane 3 | BWR | ABWR | 1,325 | 2006-10-24 | Under Construction |
Capacity, milestones and suppliers
| Unit | Design MWe | Gross MWe | Thermal MWt | First Criticality | Reactor Supplier | Turbine Supplier | Notes |
|---|---|---|---|---|---|---|---|
| Shimane 1 | 439 | 460 | 1,380 | 1973-06-01 | HITACHI, LTD. | HITACHI, LTD. | |
| Shimane 2 | 789 | 820 | 2,436 | 1988-05-25 | HITACHI, LTD. | HITACHI, LTD. | Suspended 2012-01-17; Restarted 2024-12-12 |
| Shimane 3 | 1,325 | 1,373 | 3,926 | HITACHI, LTD. | HITACHI, LTD. |
Lifetime performance, through 2025
| Unit | Electricity Supplied | Load Factor | Energy Availability | Operating Factor |
|---|---|---|---|---|
| Shimane 1 | 101.9 TWh | 64.1% | 63.9% | 64.7% |
| Shimane 2 | 136.4 TWh | 80.9% | 80.9% | 81.3% |
Operator: THE CHUGOKU ELECTRIC POWER CO., INC.
Owner: THE CHUGOKU ELECTRIC POWER CO., INC.
Source: IAEA Power Reactor Information System (PRIS), as of 2026-11-02.
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.
Photos
Photos of this facility from the NukeWorker photo gallery. Click the header or any photo to browse the full album.
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.
35.5379, 132.999
Location & Contact
Physical address, phone number, and website for this facility. Use the directions link to get driving directions via Google Maps.
Plant Facts
About This Site
Written by NukeWorker from public records: facts that do not change. Operator, status and capacity come from the live data elsewhere on this page. Sources: Wikipedia: Shimane Nuclear Power Plant.
Shimane Nuclear Power Plant is at Kashima, in the city of Matsue, Shimane Prefecture, Japan, on the Sea of Japan coast. Kashima merged into Matsue on 31 March 2005.
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Construction of the plant began on 2 July 1970. Unit 1, a 460 MW boiling water reactor, was connected to the grid on 2 December 1973 and entered commercial operation on 29 March 1974. Unit 2, an 820 MW boiling water reactor, was connected on 11 July 1988 and entered commercial operation on 10 February 1989. Unit 1 was permanently shut down on 30 April 2015. Construction of an advanced boiling water reactor, Unit 3, was suspended in 2011.