Cogeneration · Three-loop PWR
Rolls-Royce SMR
A three-loop, 470 MWe PWR in detailed design and under British generic assessment; that review is not a site licence.
Three-loop PWR rated at 1,358 MWt and 470 MWe per unit. ARIS 2024 lists it in detailed design for electricity and heat-requiring applications; its British generic assessment is at Step 3 and is not a site licence.
Three-loop PWR
- Stated output
- 1,358 MWt · 470 MWe net/gross basis not stated · per unit
- Maturity
- Detailed design
- Developer
- Rolls-Royce SMR Limited
- Origin
- United Kingdom
01
Energy and applications
Published magnitudes; this is not an engineering diagram.
Thermal output1,358 MWt
Electrical output470 MWe net/gross basis not stated
Stated uses
02
Three different states
Maturity, licensing and deployment are not equivalent.
Maturity
Detailed designHow far the published engineering has progressed.
Licensing and review
1 regulatory readingWhat a regulator decided, where and on what date.
Linked deployment
0 geolocated unitsWhich projects or units are linked to the design.
03
Linked deployment
No geolocated nuclear unit is linked to this design.
04
Licensing and review
What a regulator decided, where and on what date.
| Jurisdiction | Reading | Method | Date |
|---|---|---|---|
| Great Britain | Under review | Generic Design Assessment Step 3 (detailed assessment); not a site-specific licence | 2026-07-16 |
05
Technical sources
- IAEA ARIS · SMR Catalogue 2024IAEA · 2024
- UK Environment Agency · Rolls-Royce SMR GDA Step 3Regulator · 2026-07-16