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Rolls-Royce SMR

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Profile

470 MWe PWR-based SMR progressing through UK regulatory assessment. Selected by Sweden (Vattenfall) in June 2026 to deliver the country's first new nuclear in over 40 years — its first international SMR selection.

Editorial profile — compiled by us from public sources.

Headquarters
Derby, UK

Current standings

Standings and milestones are always verified by us against primary sources, regardless of who manages the profile.

Roadmap & milestones

UK's first SMRs — 3 units at Wylfa

~ 2026-04
Rolls-Royce SMR / Great British Energy–Nuclear

GBE–Nuclear signed a contract with Rolls-Royce SMR to build three SMRs at Wylfa, Wales (~1,400 MW), backed by £2.6B of programme funding plus up to £599m from the National Wealth Fund — the UK's first SMR deployment.

Rolls-Royce SMR wins Sweden — its first export selection

~ 2026-06
Rolls-Royce SMR / Vattenfall (Videberg Kraft)

After a four-year evaluation of 70+ options, Sweden's Videberg Kraft (Vattenfall + Industrikraft) picked Rolls-Royce SMR over GE Vernova to supply three 470 MWe reactors (~12 TWh/yr) at the Värö Peninsula — Rolls-Royce SMR's first international selection and Sweden's first new nuclear in over 40 years. Detailed planning begins now; the first reactor is targeted for the mid-2030s.

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