<P> The United Kingdom established the world's first civil nuclear programme, opening a nuclear power station, Calder Hall at Windscale, England, in 1956 . At the peak in 1997, 26% of the nation's electricity was generated from nuclear power . Since then a number of reactors have closed and by 2012 the share had declined to 19% . The older AGR reactors have been life - extended, and further life - extensions across the AGR fleet are likely . </P> <P> In October 2010 the British Government gave permission for private suppliers to construct up to eight new nuclear power plants . However the Scottish Government, with the backing of the Scottish Parliament, has stated that no new nuclear power stations will be constructed in Scotland . In March 2012, E. ON UK and RWE npower announced they would be pulling out of developing new nuclear power plants, placing the future of nuclear power in the UK in doubt . Despite this, EDF Energy is still planning to build four new reactors at two sites, with public consultation completed and initial groundwork beginning on the first two reactors, sited at Hinkley Point in Somerset . Horizon Nuclear Power have plans for 4 to 6 new reactors at their sites, Wylfa and Oldbury . Three reactors are also in the works at the Moorside Nuclear Project . An agreement has also been made which allows for Chinese - designed reactors to be built on the site of the Bradwell nuclear power station . </P> <P> EDF Energy owns and manages the seven currently operating reactor sites, with a combined capacity approaching 9,000 megawatts . All nuclear installations in the UK are overseen by the Office for Nuclear Regulation . </P> <Table> <Tr> <Td> </Td> <Td> This section needs expansion . You can help by adding to it . (March 2011) </Td> </Tr> </Table>

Who owns the nuclear power plants in uk
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