Written Question·Ministry of Defence·UIN 65493
Nuclear Reactors: Decommissioning
Tabled: 7 July 2025
Answered: 14 July 2025
Question
Helen Maguire
Liberal Democrat — Epsom and Ewell
To ask the Secretary of State for Defence, what estimate his Department has made of the potential cost of dismantling Pressurized Water Reactor nuclear reactors on redundant submarines at (a) Devonport and (b) Rosyth dockyards; and what recent discussions
Answer
Maria EagleIt is not possible to provide an assured cost estimate to dismantle the Pressurised Water Reactors on the decommissioned submarines at Devonport and Rosyth. Once the demonstrator submarine, SWIFTSURE, has achieved full dismantling in 2026 the Department w...
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