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nuclear•chain

Großwelzheim nuclear power plant

Retired Germany
Gross capacity
27MW

Großwelzheim nuclear power plant is a boiling water reactor unit at Großwelzheim nuclear power plant in Germany rated at 27 MW gross. It is retired. Commercial operation began 1 Jan 1969.

Specification
Reactor type Boiling water reactor (BWR)
ModelSuperheated steam reactor
Size classLarge
CoolantLight water
ModeratorLight water
Gross capacity27MW
Net capacity (reference)25MW
Net capacity (design)23MW
Thermal output100MWt
Typical enrichment3–5% U-235
Ownership & location
SiteGroßwelzheim nuclear power plant
Unitnot stated
CountryGermany
OwnerHeissdampfreaktor-Betriebsgesellschaft mbH100%
OperatorHeissdampfreaktor-Betriebsgesellschaft
Coordinates 50.0581, 8.9869
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Fabricator capability is recorded against reactor type and model line, not against named units — utilities do not publish fuel contracts.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 Jan 1965Construction start
  2. 1 Jan 1969Commercial operation
  3. 20 Jul 1971Permanent shutdown

Sources