Sellafield the Ministry of Supply (MoS), then from 1954 by the United Kingdom Atomic Energy Authority (UKAEA) and then, following the division of UKAEA in 1971, by British Nuclear Fuels Ltd (BNFL). Since 1 April 2005, it has been owned by the Nuclear Decommissioning Authority (NDA) and is now operated by Sellafield Ltd. In 2008, the NDA awarded Nuclear Management Partners (NMP) the position of Parent Body Organisation of Sellafield Ltd. under their standard management model for NDA sites. This consortium, composed of US company URS, British company AMEC, and AREVA of France, was initially awarded a contract for five years,
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