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Oskarshamn nuclear power plant 1

Retired Sweden
Gross capacity
492MW

Oskarshamn nuclear power plant 1 is a boiling water reactor unit at Oskarshamn nuclear power plant in Sweden rated at 492 MW gross. It is retired. Commercial operation began 6 Feb 1972.

Specification
Reactor type Boiling water reactor (BWR)
ModelAA-I
Size classLarge
CoolantLight water
ModeratorLight water
Gross capacity492MW
Net capacity (reference)473MW
Net capacity (design)440MW
Thermal output1,375MWt
Typical enrichment3–5% U-235
Ownership & location
SiteOskarshamn nuclear power plant
Unit1
CountrySweden
OwnerOskarshamns Kraftgrupp AB100%
OperatorOskarshamns Kraftgrupp
Coordinates 57.4166, 16.6730
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.

RosatomUrencoCNNCOrano
Conversion
CamecoCNNCConverDynOranoRosatom
Fabricator capability is recorded against reactor type and model line, not against named units — utilities do not publish fuel contracts.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 Aug 1966Construction start
  2. 12 Dec 1970First criticality
  3. 19 Aug 1971Grid connection
  4. 6 Feb 1972Commercial operation
  5. 19 Jun 2017Permanent shutdown

Other units at Oskarshamn nuclear power plant

UnitStatusGross MW
Oskarshamn nuclear power plant 2 Retired 661
Oskarshamn nuclear power plant 3 Operating 1,450

Other AA-I units

2 units worldwide share this model designation.

UnitCountryStatusGross MW
Ringhals nuclear power plant 1 Sweden Retired 910

Sources