Japan Power Demonstration Reactor nuclear power plant
Gross capacity
13MW
Japan Power Demonstration Reactor nuclear power plant is a boiling water reactor unit at Japan Power Demonstration Reactor nuclear power plant in Japan rated at 13 MW gross. It is retired. Commercial operation began 15 Mar 1965.
Specification
| Reactor type | Boiling water reactor (BWR) |
|---|---|
| Model | BWR-1 |
| Size | Very small20 MWe or less |
| Coolant | Light water |
| Moderator | Light water |
| Gross capacity | 13MW |
| Net capacity (reference) | 12MW |
| Net capacity (design) | 10MW |
| Thermal output | 90MWt |
| NSSS vendor | GE Vernova Hitachi Nuclear Energyall vendors |
| Typical enrichment | 3–5% U-235 |
Ownership & location
| Site | Japan Power Demonstration Reactor nuclear power plant |
|---|---|
| Unit | not stated |
| Country | Japan |
| Owner | Japan Atomic Energy Agency100% |
| Operator | Japan Atomic Energy Agency |
| Coordinates | 36.4568, 140.6059approximate |
Fuel chain for this unit
Fuel form
Uranium dioxide pellets in zirconium-alloy cladding
Enrichment
3–5% U-235
Who makes this assembly
- Framatome BWR fuel assemblies
- Global Nuclear Fuel BWR fuel assemblies
- Westinghouse Electric Company BWR fuel assemblies
Upstream
Enriched fuel means this unit sits downstream of five conversion plants and four enrichment operators holding 88% of world capacity between the top three.
Fabricator capability is recorded against reactor type and model line, not against named units,
utilities do not publish fuel contracts. See the fuel chain.
Timeline
- 1 Dec 1960Construction start
- 22 Aug 1963First criticality
- 26 Oct 1963Grid connection
- 15 Mar 1965Commercial operation
- 18 Mar 1976Permanent shutdown
Other BWR-1 units
2 units worldwide share this model designation.
| Unit | Country | Status | Gross MW |
|---|---|---|---|
| Garigliano nuclear power plant | Italy | Retired | 160 |
Sources
- Global Nuclear Power Tracker, Global Energy Monitor, August 2026 release , CC BY 4.0 · retrieved 2026-09-06 · this unit last researched by GEM on 2024-05-16
- GEM.wiki entry (further reading) , CC BY-SA 4.0, linked, not quoted
How these sources are used, including the corrections applied on top of them and what is deliberately left blank · download the underlying data