Sellafield St Bridget Beckermet between the rivers Calder and Ehen. It consisted of High Sellafield (to the north, and which still exists) and Low Sellafield, which became incorporated in the Sellafield Royal Ordnance Factory (ROF) during its construction in the Second World War. The coming of the railway to west Cumberland in the mid-19th century, and the opening of Sellafield station and Sellafield junction (for the branch line to Beckermet and Egremont, Cumbria), provided important transport links for a remote part of England. ROF Sellafield was constructed by John Laing & Son in 1942 at Low Sellafield as a Second World
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