Sellafield of Sellafield operations, the Nuclear Decommissioning Authority (and HMG) is concerned that this needs to be managed. The Central Laboratory at Sellafield is the headquarters of the National Nuclear Laboratory and is the flagship nuclear Research and Development facility in the UK. It supports newly built reactors, operation of reactors, operations of fuel processing plants and decommissioning and clean-up. The NNL's Central Laboratory is available to run a wide range of radioactive and non-radioactive experimental programmes. In addition, it offers a wide range of analytical services, building on its location on the Sellafield site and considerable expertise of its resident
Wylfa Nuclear Power Station nuclear station on a site adjacent to the old plant. An application to build two advanced boiling water reactors was submitted by Horizon Nuclear Power to the Office of Nuclear Regulation on 4 April 2017. Wylfa was the second nuclear power station to be built in Wales after Trawsfynydd in 1959. Following the closure of Trawsfynydd in 1991, Wylfa became Wales' only nuclear power station. Construction of Wylfa, which was undertaken by British Nuclear Design & Construction (BNDC), a consortium backed by English Electric, Babcock & Wilcox Ltd and Taylor Woodrow Construction, began in 1963. The reactors were supplied by