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Milestone

Calder Hall Opens

Mid-Century Power Transformations

Opened by Queen Elizabeth II on 17 October 1956, Calder Hall in west Cumbria was the world's first commercial-scale nuclear power station, the first of the British 50 MWe Magnox gas-cooled reactors, and it ran for 47 years until 2003. The earlier first belongs to Obninsk in the Soviet Union, whose small reactor fed a grid from June 1954; Calder Hall's claim is industrial scale. The early Magnox stations were dual-purpose, making military plutonium alongside power until that role moved to other Windscale facilities from 1964.

Facts
Milestone Year
1956 1
Milestone Date
1956-10-17 2
Location
Sellafield, Cumbria, England 2
Connections

Associated With

Source World Nuclear Association Information Library
Source World Nuclear News
In the Other Atlases

Located In

Also in Geography Atlas: where this subject is located.

Sources
1. World Nuclear Association Information Library
World Nuclear Association
  • Information Library, Outline History of Nuclear Energy, Nuclear energy goes commercial
    The first of these 50 MWe Magnox types, Calder Hall 1, started up in 1956 and ran until 2003.
  • Associated With: First Nuclear Power to a Grid, Information Library, Outline History of Nuclear Energy
    in June 1954 the world's first nuclear powered electricity generator began operation at the FEI in Obninsk.
View the Source
2. World Nuclear News
World Nuclear AssociationUK marks 60th anniversary of Calder Hall
Quote, UK marks 60th anniversary of Calder Hall
the opening of the world's first commercial nuclear power plant at Calder Hall in west Cumbria in England
View the Source
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