The Nuclear Decommissioning Authority (NDA) group has published its Annual Report and Accounts for 2025 to 2026, covering hazard reduction and decommissioning progress across the UK's civil nuclear sites. The document was released on behalf of the authority and its operating companies.
At Sellafield, teams continued retrieving, treating and storing waste from legacy ponds and silos, with 70 tonnes pulled from the Magnox Swarf Storage Silo. The site also recorded a UK first by converting a canister of plutonium residue into a form that can be disposed of. Elsewhere, Nuclear Restoration Services took down the turbine hall and connected buildings at Sizewell A, while the group deployed autonomous waste sorting at Oldbury and robotic operations inside an active Sellafield glovebox.
Nuclear Transport Solutions and Nuclear Waste Services continued the capping job at the Low Level Waste Repository, and at Dounreay NRS wrapped up placing 192 containers of low-level radioactive waste into disposal. The report also notes progress on future HALEU transport capability, such as the Pegasus package being developed with Westinghouse. In April, Hunterston B moved across as the first station among seven EDF-owned Advanced Gas-cooled Reactors to begin decommissioning within the NDA group, with Hinkley Point B expected to follow later this year.
The annual report is the primary public record of how the UK's largest nuclear cleanup programme is reducing hazards and what remains to be done.
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