Wylfa Rolls Royce SMR nuclear power plant 1
Wylfa Rolls Royce SMR nuclear power plant 1 is a small modular reactor unit at Wylfa Rolls Royce SMR nuclear power plant in United Kingdom rated at 470 MW gross. It is pre-construction. Commercial operation began 1 Jan 2035.
| Reactor type | small modular reactor |
|---|---|
| Model | SMR |
| Size | Largeabove 300 MWe
The source tracker records it as a small modular reactor.
|
| Coolant | not disclosed |
| Moderator | not disclosed |
| Gross capacity | 470MW |
| Net capacity (reference) | not disclosed |
| Net capacity (design) | not disclosed |
| Thermal output | not disclosed |
| NSSS vendor | not on record |
| Typical enrichment | not disclosed |
| Site | Wylfa Rolls Royce SMR nuclear power plant |
|---|---|
| Unit | 1 |
| Country | United Kingdom |
| Owner | Great British Energy – Nuclear100% |
| Coordinates | 53.4168, -4.4837approximate |
Enriched fuel means this unit sits downstream of five conversion plants and four enrichment operators holding 88% of world capacity between the top three.
Timeline
- 1 Jan 2035Commercial operation
Other units at Wylfa Rolls Royce SMR nuclear power plant
| Unit | Status | Gross MW |
|---|---|---|
| Wylfa Rolls Royce SMR nuclear power plant 2 | Pre-construction | 470 |
| Wylfa Rolls Royce SMR nuclear power plant 3 | Pre-construction | 470 |
| Wylfa Rolls Royce SMR nuclear power plant 4 | Announced | 470 |
| Wylfa Rolls Royce SMR nuclear power plant 5 | Announced | 470 |
| Wylfa Rolls Royce SMR nuclear power plant 6 | Announced | 470 |
| Wylfa Rolls Royce SMR nuclear power plant 7 | Announced | 470 |
| Wylfa Rolls Royce SMR nuclear power plant 8 | Announced | 470 |
Other SMR units
11 units worldwide share this model designation.
| Unit | Country | Status | Gross MW |
|---|---|---|---|
| Prunéřov nuclear power plant | Czech Republic | Announced | 470 |
| Temelin nuclear power plant SMR | Czech Republic | Announced | 300 |
| Tušimice nuclear power plant | Czech Republic | Announced | 300 |
| Wylfa Rolls Royce SMR nuclear power plant 2 | United Kingdom | Pre-construction | 470 |
| Wylfa Rolls Royce SMR nuclear power plant 3 | United Kingdom | Pre-construction | 470 |
| Wylfa Rolls Royce SMR nuclear power plant 4 | United Kingdom | Announced | 470 |
| Wylfa Rolls Royce SMR nuclear power plant 5 | United Kingdom | Announced | 470 |
| Wylfa Rolls Royce SMR nuclear power plant 6 | United Kingdom | Announced | 470 |
| Wylfa Rolls Royce SMR nuclear power plant 7 | United Kingdom | Announced | 470 |
| Wylfa Rolls Royce SMR nuclear power plant 8 | United Kingdom | Announced | 470 |
Sources
- Global Nuclear Power Tracker, Global Energy Monitor, August 2026 release , CC BY 4.0 · retrieved 2026-09-06 · this unit last researched by GEM on 2026-06-25
- GEM.wiki entry (further reading) , CC BY-SA 4.0, linked, not quoted
How these sources are used, including the corrections applied on top of them and what is deliberately left blank · download the underlying data