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Horizon Nuclear Power

Horizon Nuclear Power Limited
Industry electricity generation
Founded 2009
Headquarters Gloucester, UK
Products electrical power

Horizon Nuclear Power is a British energy company that is expected to build new nuclear power stations in the United Kingdom. It was established in 2009, with its head office in Gloucester, and is now owned by Hitachi.


  • History 1
  • See also 2
  • References 3
  • External links 4


The company was established in 2009 as an E.ON UK and RWE npower joint venture. The company announced its intention to install about 6,000 MWe of new nuclear capacities adjacent to the existing Oldbury and Wylfa nuclear power stations.[1][2] Horizon initially evaluated building either Areva 1,650 MWe EPR reactors or Westinghouse 1,100 MWe AP1000 reactors between 2020 and 2024.[3][4]

In March 2012 E.ON and RWE npower placed Horizon up for sale as a going concern.[5][6][7] One bidder was a joint venture of China Guangdong Nuclear Power Group and the China National Nuclear Corporation.[8]

However, on 29 October 2012 it was announced that Hitachi would buy Horizon for £696 million,[9] and the sale was completed on 26 November 2012.[10] Hitachi intends to build two to three 1,350 MWe Advanced Boiling Water Reactors (ABWR) on each site, but will first require a Generic Design Assessment for the ABWR by the Office for Nuclear Regulation, which is likely to take from two to four years.[11][12][13] The assessment was began in April 2013, with an agreement that the costs of assessment will be covered by Hitachi-GE.[14] In August 2014, the proposed reactor type reached the third stage, out of four, in the GDA process.[15] This processes should be fully completed in 2018.

Horizon plans initial site work at Wylfa to begin in 2015, with building work starting in 2018 and generation starting in the mid-2020s.[16]

See also


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External links

  • Horizon Nuclear Power
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