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General facts

  • The Sellafield site measures 6 sq kilometres
  • Over 10,000 employees at Sellafield Ltd
  • Over 1,000 nuclear facilities on the Sellafield site
  • Largest nuclear site in Europe
  • Most diverse portfolio of any nuclear site in the world
  • Nuclear fuel has been reprocessed at the Sellafield site for over 50 years
  • Largest concentration of nuclear expertise in Europe – over 50 years
  • Almost half of the UK’s nuclear workforce is based at Sellafield, West Cumbria
  • Home to amongst the largest inventories of untreated waste in the world
  • During the Second World War Sellafield was a vital part of the war effort. In the early 1940s two Royal Ordinance factories were commissioned at Sellafield and Drigg to produce explosives
  • The Sellafield site is as old as the UK’s nuclear industry itself
  • Reprocessing spent fuel allows 97% of this used fuel to be recycled back into new fuel
  • The Nuclear Decommissioning Authority (NDA) purpose is to deliver the decommissioning and clean-up of the UK’s civil nuclear legacy in a safe and cost-effective manner.
  • The Nuclear Decommissioning Authority (NDA) is a non-departmental public body created through the Energy Act 2004. It owns 19 sites and the associated civil liabilities and assets of the public sector, previously under the control of United Kingdom Atomic Energy Authority (UKAEA) and British Nuclear Fuels Ltd (BNFL)
  • Sellafield Ltd holds and is responsible for the site licence at the Sellafield and site