Tsuruga nuclear power plant 1
Retired Japan
Gross capacity
357MW
Tsuruga nuclear power plant 1 is a boiling water reactor unit at Tsuruga nuclear power plant in Japan rated at 357 MW gross. It is retired. Commercial operation began 14 Mar 1970.
Specification
| Reactor type | Boiling water reactor (BWR) |
|---|---|
| Model | BWR-2 |
| Size class | Large |
| Coolant | Light water |
| Moderator | Light water |
| Gross capacity | 357MW |
| Net capacity (reference) | 340MW |
| Net capacity (design) | 341MW |
| Thermal output | 1,070MWt |
| Typical enrichment | 3–5% U-235 |
Ownership & location
| Site | Tsuruga nuclear power plant |
|---|---|
| Unit | 1 |
| Country | Japan |
| Owner | Japan Atomic Power Co100% |
| Operator | Japan Atomic Power |
| Coordinates | 35.7506, 136.0197 |
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utilities do not publish fuel contracts.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
- 24 Nov 1966Construction start
- 3 Oct 1969First criticality
- 16 Nov 1969Grid connection
- 14 Mar 1970Commercial operation
- 27 Apr 2015Permanent shutdown
Other units at Tsuruga nuclear power plant
| Unit | Status | Gross MW |
|---|---|---|
| Tsuruga nuclear power plant 2 | Mothballed | 1,160 |
| Tsuruga nuclear power plant 3 | Shelved | 1,538 |
| Tsuruga nuclear power plant 4 | Shelved | 1,538 |
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