Following the decision taken by the British government in January 1947 to develop nuclear weapons, Sellafield was chosen as the location of the plutonium production plant, with the initial fuel loading into the Windscale Piles commencing in July 1950.
Following the decision taken by the British government in January 1947 to develop nuclear weapons, Sellafield was chosen as the location of the plutonium production plant, consisting of the Windscale Piles and accompanying reprocessing plant to separate Plutonium from the spent nuclear fuel. The initial fuel was loaded into the Windscale Piles commencing in July 1950.