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Calder Hall 1
Seascale, Cumbria, United Kingdom
Gas-Cooled Reactor (GCR)
Model: Magnox
Net Output: 50 MWe
Operable. Initial criticality: 05/1956. Commercial start: 10/1956.

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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