Companies · Nuclear, fuel and SMR · data
Rolls-Royce Holdings plc (Rolls-Royce SMR Ltd)
Profile
Rolls-Royce Holdings' subsidiary Rolls-Royce SMR Ltd develops a 470 MWe three-loop PWR. It was selected as preferred bidder by Great British Energy - Nuclear on 10 Jun 2025, with Wylfa (Anglesey) named as the first UK site on 13 Nov 2025; its UK Generic Design Assessment has been in Step 3 since July 2024. Abroad, CEZ (a shareholder in Rolls-Royce SMR) signed early-works contracts for Temelin in 2026 and Sweden's Videberg Kraft (Vattenfall-led) selected the design on 15 Jun 2026 for the Varo site near Ringhals. The SMR unit is not separately listed; the parent reports Civil Aerospace, Defence and Power Systems segments and 43,162 employees (stockanalysis, 2 Oct 2026 quote).
Source: stockanalysis.com LON:RR quote page (fetched 9 Oct 2026); data/smr_projects.csv (ONR, ANS, WNN), 9 Oct 2026 · confidence mediumKey projects
| Project | Country | Stage | Note | Map |
|---|---|---|---|---|
| Rolls-Royce SMR (470 MWe PWR) - Wylfa / Gwyndod, Ynys Môn (Anglesey), Wales | GBR | Pre-licensing | Regulator stage as of 9 Oct 2026: GDA Step 3 (final step) since 30 Jul 2024, originally due to complete Aug 2026 (completion not confirmed as of 9 Oct 2026); Wylfa selected as first site 13 Nov 2025; nuclear site licence application not yet reported | open on the map |
| Rolls-Royce SMR (470 MWe PWR) - Temelín nuclear site, South Bohemia | CZE | Pre-licensing | Regulator stage as of 9 Oct 2026: Early Works Contract (design, permitting preparation, site application development) signed Apr 2026 and Temelín EWC reported Sept 2026; no siting permit application confirmed | open on the map |
| Rolls-Royce SMR (470 MWe PWR) - Värö peninsula near Ringhals, Halland | SWE | Pre-licensing | Regulator stage as of 9 Oct 2026: Technology selected 15 Jun 2026 over BWRX-300; state-aid application lodged with Swedish government Dec 2025 (act in force 1 Aug 2025); no SSM licence application yet | open on the map |
Deals
| Date | Type | Deal | Status | Capacity MW | Value |
|---|---|---|---|---|---|
| 15 Jun 2026 | SMR order | Vattenfall's Videberg Kraft selects Rolls-Royce SMR for three units at Ringhals/Varo | Announced | 1,500 | n/a |
| 13 Apr 2026 | SMR order | Rolls-Royce SMR and Great British Energy-Nuclear sign contract for three SMRs at Wylfa | Signed | 1,400 | 2.6 bn GBP |
Documents
| Document | Type | Date |
|---|---|---|
| stockanalysis.com quote page (market cap, listing, employees, description) | Quote page | 2 Oct 2026 |
| ONR comment on SMR siting announcement (Wylfa) | Regulator | 13 Nov 2025 |
| WNN: Swedish new nuclear project selects Rolls-Royce SMRs | News | 15 Jun 2026 |
Chart
TradingView symbol: LSE:RR.
- Market cap, USD
- n/a
- Market cap, local
- 122.14 bn GBPas of 2 Oct 2026 · stockanalysis.com