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,
Hartlepool Nuclear Power Station for a prototype fluidised bed combustion (FBC) coal station at Grimethorpe in Yorkshire. Because of this, the UK missed out on pioneering FBC technology, before it became internationally recognised as the best way of burning coal. Sited from Seaton Carew, and in the middle of the industrial complex of Teesside, the station was to be built closer to any major urban area than any nuclear power station site had been. To make this acceptable, the station's reactors were to be housed in prestressed concrete pressure vessels. The construction of the power station which was undertaken by Nuclear Design & Construction