Small Modular Reactors

(asked on 24th February 2026) - View Source

Question to the Department for Energy Security & Net Zero:

To ask His Majesty's Government what is their target date for the first supply of electricity to the grid from UK-based small modular reactors.


Answered by
Lord Vallance of Balham Portrait
Lord Vallance of Balham
Minister of State (Department for Energy Security and Net Zero)
This question was answered on 10th March 2026

Great British Energy – Nuclear (GBE-N) has selected Rolls-Royce SMR as its preferred bidder to partner with to develop the UK's first small modular reactors (SMRs), subject to final government approvals and contract signature, which will be sited at Wylfa on Anglesey in North Wales.

With the aim of deploying to the grid in the mid-2030s, the project is expected to provide around 1.5GW of low carbon electricity, powering the equivalent of around 3 million of today’s homes.

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