North Wales selected for UK’s first small modular reactor

  • Gas
  • November 13, 2025

Wylfa in North Wales will host the UK’s first small modular rector (SMR), 10 years after its nuclear plant closed.

The £2.5bn project will be built by publicly-owned Great British Energy (under Great British Energy-Nuclear) and designed by Rolls-Royce SMR.

Initially three SMR units will be developed, but Great British Energy-Nuclear believes the site could potentially host up to eight. Each Rolls-Royce SMR will generate 470 megawatts of low carbon energy.

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