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In the UK a total of 19 nuclear plants were built, of which 11 were magnox, 7 AGR, and one PWR.

The Magnox ones were: Calder Hall, Chapelcross, Berkeley, Bradwell, Dungeness A, Hinkley point A, Sizewell A, Hunterston A, Trawsfynedd, Oldbury, Wylfa.

Calder and Chapelcross had 4 reactors each. These were the prototypes and were initially built mainly to produce Plutonium though each reactor generated about 50 MWe.

The subsequent ones were commercial and owned and operated by the CEGB, and had 2 reactors at each site. Up to Oldbury they all had steel vessels, Oldbury and Wylfa had reinforced concrete vessels with much greater integrity, which led onto the AGR design of vessel. All magnox are now shutdown except Oldbury and Wylfa, which soon will also be shutdown.

The AGR stations were Dungeness B, Hinkley Point B, Hunterston B, Hartlepool, Heysham 1, Heysham 2, Torness. These all had 2 reactors and concrete vessels. The output of Heysham 2 and Torness, which were identical designs, was 660 MWe per reactor. All these units are operating, the scheduled shutdown for the last two is 2023.

One PWR was built at Sizewell B and is in operation. This was the swansong for the CEGB which was broken up and privatised by the Thatcher Government, and no body that followed had the commercial strength or desire to build nuclear.

If new build goes ahead, it will probably be under French direction and ownership.

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16y ago

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