Commons Sense

House of Commons · Written Ministerial Statement

Small Modular Reactor Programme and Site Allocation

13 November 2025 · Department for Energy Security and Net Zero

Proposed by Michael Shanks Lab Rutherglen

Energy

Summarised by AI from the official record, so it can contain mistakes.

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At a glance

Key points

  • The Government has selected Wylfa on Anglesey as the site for the Small Modular Reactor programme.
  • Up to three Rolls-Royce SMR units will be hosted initially, with potential for up to eight units in the future.
  • Construction is set to begin in 2026, with ongoing engagement with Welsh communities.

Issue summary

The statement announces the selection of Wylfa in North Wales as the site for the government-backed Small Modular Reactor (SMR) programme.

Action requested

The Government has selected Wylfa, on Anglesey, to host up to three Rolls-Royce SMR units initially, with potential for eight if future policy and funding decisions support. GBE-N will work with Welsh communities as the project progresses, with construction set to start in 2026.

Key facts

  • The Government committed over £2.5 billion at the Spending Review to support the UK’s ambition to lead SMR innovation.
  • Rolls-Royce SMR is the preferred bidder for the GBE-N programme, subject to final government approvals and contract signature.
  • Wylfa will create up to 3,000 new high skilled jobs at peak construction.
  • The site assessment by GBE-N identifies potential for hosting up to eight units if future policy and funding support it.
  • GBE-N is tasked with identifying suitable sites for a further large-scale reactor project, reporting back by Autumn 2026.
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