Sellafield Ltd under direct control from Nuclear Management Partners, making the company a subsidiary of HM Government. The NDA owns the Sellafield site and its liabilities, and owns all of the shares in Sellafield Ltd, which is responsible for the safe and secure operation and management of the site. Sellafield Ltd Sellafield Ltd is a nuclear decommissioning Site Licence Company (SLC) controlled by the Nuclear Decommissioning Authority (NDA), a government body set up specifically to deal with the nuclear legacy under the Energy Act 2004. Until 2016, it was operated under licence from the NDA by a third party Parent Body Organisation
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