Berkeley nuclear power station
Overview
 
Berkeley nuclear power station is a disused Magnox
Magnox
Magnox is a now obsolete type of nuclear power reactor which was designed and is still in use in the United Kingdom, and was exported to other countries, both as a power plant, and, when operated accordingly, as a producer of plutonium for nuclear weapons...

 power station
Power station
A power station is an industrial facility for the generation of electric energy....

 situated on the bank of the River Severn
River Severn
The River Severn is the longest river in Great Britain, at about , but the second longest on the British Isles, behind the River Shannon. It rises at an altitude of on Plynlimon, Ceredigion near Llanidloes, Powys, in the Cambrian Mountains of mid Wales...

 in Gloucestershire
Gloucestershire
Gloucestershire is a county in South West England. The county comprises part of the Cotswold Hills, part of the flat fertile valley of the River Severn, and the entire Forest of Dean....

, England
England
England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

.
The construction of the power station, which was undertaken by a consortium of AEI
Associated Electrical Industries
Associated Electrical Industries was a British holding company formed in 1928 through the merger of the British Thomson-Houston Company and Metropolitan-Vickers electrical engineering companies...

 and John Thompson
John Thompson (company)
John Thompson Limited was a major manufacturing business based in Wolverhampton offering products for the nuclear engineering industry.-History:The Company was founded by William Thompson as a general engineering concern in or around 1820 in Wolverhampton...

 began in 1956.
It had two Magnox
Magnox
Magnox is a now obsolete type of nuclear power reactor which was designed and is still in use in the United Kingdom, and was exported to other countries, both as a power plant, and, when operated accordingly, as a producer of plutonium for nuclear weapons...

 reactors producing 276 megawatts
Watt
The watt is a derived unit of power in the International System of Units , named after the Scottish engineer James Watt . The unit, defined as one joule per second, measures the rate of energy conversion.-Definition:...

 (MW) in total – enough electricity on a typical day to serve an urban area the size of Bristol
Bristol
Bristol is a city, unitary authority area and ceremonial county in South West England, with an estimated population of 433,100 for the unitary authority in 2009, and a surrounding Larger Urban Zone with an estimated 1,070,000 residents in 2007...

. The reactors were supplied by The Nuclear Power Group (TNPG) and the turbines by AEI.

Reactor 2 was shut down in October 1988, followed by Reactor 1 in March 1989.
 
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