The First Generation Reprocessing

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Sellafield's first reprocessing facility which began operations in 1952 were constructed to carry out the first stage of reprocessing fuel from the Windscale Pile Reactors. It was later modified for oxide fuels following the opening of the Magnox Reprocessing Plant, before ceasing operations in the 1970s.

The plant contains four highly active cells, each containing redundant radioactive material and two medium active cells. The Highly Active North Outer cell was also used as a shielded ventilation route from 1966 to 1988.

The building also has a 61m stack which is housed on the building roof. The primary decommissioning challenge associated with the First Generation Reprocessing Plants is the safe removal of this stack

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