Projects / prj-wylfa-nuscale-shearwater
Shearwater NuScale Wylfa feasibility proposal (2021)
Documented 2021 Shearwater feasibility proposal for twelve 77-MW NuScale modules at Wylfa Magnox, distinct from Rolls-Royce Wylfa. Current disposition after 2021 is not established; catalogue cancellation was not imported.
- Stage
- Announced
- Design
- NuScale VOYGR (US460 / NPM) (SMR)
- Technology
- Integral pressurized water reactor (iPWR) · light_water
- Operator(s)
- Shearwater Energy
- Vendor(s)
- NuScale Power
- Location
- Wylfa Magnox — Shearwater NuScale feasibility proposal · United Kingdom · precision: undisclosed
Named Wylfa Magnox host in 2021 testimony; exact module layout not verified. Separate from Rolls-Royce Wylfa. - Coordinates
- undisclosed / not plotted
- Electrical capacity
- 924 MWe (nameplate (gross/net unspecified)) · scope: plant
- Thermal capacity
- —
- Modules planned
- 12
- Inclusion basis
- historical_smr_program
- Confidence
- medium
- Last verified
- 2026-10-02 (publication/verification date)
Milestones & dated events
- No dated milestones recorded yet.
Regulatory actions
- None recorded in this release.
Sources
- UK Parliament oral evidence: Shearwater NuScale Wylfa feasibility (2021) (government_primary, accessed 2026-10-02)