Japan · 36.457, 140.606Japan Power Demonstration Reactor
Japan Power Demonstration Reactor, nuclear power plant in Japan, operated one boiling water reactor between 1965 and 1976 and is now shut down.
It is Japan's oldest nuclear plant, operating since 1965.
- Country
- Japan
- Units
- 1
- Technology
- BWR
- Net capacity
- —
- First grid connection
- 1965
- Operator
- Japan Atomic Energy Agency
- Owner
- Japan Atomic Energy Agency
- Status
- Shut down
See also: alerts for this plant · every plant in Japan · Vendor: General Electric · every BWR reactor · how a BWR works
Operating capacity
0 MWe
net electrical
Units
1
0 operating
First start-up
1965
Units
| Unit | Type | Model | Status | MWe | MWt | Construction start | Grid connection | Closure | Load factor |
|---|---|---|---|---|---|---|---|---|---|
| Japan Power Demonstration Reactor | Boiling water (BWR) | BWR-1 | Shut down | 12 | 90 | Dec 1960 | Oct 1963 | Mar 1976 | — |
Data: IAEA PRIS · Global Energy Monitor · updated on Aug 1, 2026
Japan Power Demonstration Reactor, a 12 MWe BWR (BWR-1), started construction in 1960 and operated from 1963 to 1976.
Operator: Japan Atomic Energy Agency.