Skip to content
nuclearchain

Humboldt Bay nuclear power plant

Retired United States
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)
ModelNatural cir.
Size classLarge
CoolantLight water
ModeratorLight water
Gross capacity65MW
Net capacity (reference)63MW
Net capacity (design)65MW
Thermal output220MWt
Typical enrichment3–5% U-235
Ownership & location
SiteHumboldt Bay nuclear power plant
Unitnot stated
CountryUnited States
OwnerPacific Gas and Electric Co100%
OperatorPacific 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
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Fabricator capability is recorded against reactor type and model line, not against named units — utilities do not publish fuel contracts.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. 1 Nov 1960Construction start
  2. 16 Feb 1963First criticality
  3. 18 Apr 1963Grid connection
  4. 1 Aug 1963Commercial operation
  5. 2 Jul 1976Permanent shutdown

Sources