Written question asked by Lord Roberts of Llandudno (Liberal Democrat) on Tuesday, 24 February 2026, in the House of Lords. It was due for an answer on Tuesday, 10 March 2026. It was answered by Lord Vallance of Balham (Labour) on Tuesday, 10 March 2026 on behalf of the Department for Energy Security and Net Zero.

Radioactive Waste: Ynys Môn

Question: To ask His Majesty's Government what progress they have made with the storage of nuclear waste in Anglesey.

Answer: Wylfa A a former Magnox nuclear power plant located on Anglesey, currently being decommissioned by Nuclear Restoration Services under the Nuclear Decommissioning Authority (NDA), continues to safely and securely store Intermediate Level Waste in line with site license conditions set by the Office for Nuclear Regulations.  Any Low-Level Waste that arises from operations is safely transferred off site for further management, including disposal at the NDAs Low Level Waste Repository.

Secondary information