Humboldt Bay nuclear power plant
Gross capacity
65MW
Humboldt Bay nuclear power plant is a boiling water reactor unit at Humboldt Bay nuclear power plant in United States rated at 65 MW gross. It is retired. Commercial operation began 1 Aug 1963.
Specification
| Reactor type | Boiling water reactor (BWR) |
|---|---|
| Model | Natural cir. |
| Size | Small300 MWe or less |
| Coolant | Light water |
| Moderator | Light water |
| Gross capacity | 65MW |
| Net capacity (reference) | 63MW |
| Net capacity (design) | 65MW |
| Thermal output | 220MWt |
| NSSS vendor | not on record |
| Typical enrichment | 3–5% U-235 |
Ownership & location
| Site | Humboldt Bay nuclear power plant |
|---|---|
| Unit | not stated |
| Country | United States |
| Owner | Pacific Gas and Electric Co100% |
| Operator | Pacific Gas and Electric |
| Coordinates | 40.7407, -124.2091 |
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utilities do not publish fuel contracts.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 Nov 1960Construction start
- 16 Feb 1963First criticality
- 18 Apr 1963Grid connection
- 1 Aug 1963Commercial operation
- 2 Jul 1976Permanent shutdown
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 2024-05-28
- 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