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
Oldbury Nuclear Power Station an urban area twice the size of Bristol. Reactor 1 went critical on 18 September 1967 and first generated electricity on 9 November 1967, Reactor 2 started generating electricity in April 1968. The construction was undertaken by a consortium known as The Nuclear Power Group ('TNPG'). The reactors were supplied by TNPG and the turbines by AEI and C. A. Parsons & Co. The main civil engineering contractor was Sir Robert McAlpine. Construction on site began in 1961. Oldbury was the first nuclear power station in the UK to use prestressed concrete pressure vessels, earlier Magnox reactors having used steel