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Calder Hall 3
Seascale, Cumbria, United Kingdom
Gas-Cooled Reactor (GCR)
Model: Magnox
Net Output: 50 MWe
Operable. Initial criticality: 03/1958. Commercial start: 04/1959.

Utility:

British Nuclear Fuels plc

Reactor Supplier:

United Kingdom Atomic Energy Authority

Steam Generator Supplier:

C.A. Parsons & Cu., Ltd.

Architecture:

United Kingdom Atomic Energy Authority

Construction:

Taylor Woodrow Construction Ltd.

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