Designer (requesting party): Rolls-Royce SMR Limited
Current position: Assessment of reactor design ongoing
Timeline: July 2024 Step 3 commenced April 2023 – July 2024 – Step 2 (fundamental assessment) April 2022 – April 2023 – Step 1 (initiation)
Latest publications
Rolls-Royce SMR Ltd’s 470 MWe Small Modular Reactor design has now completed Step 2 of Generic Design Assessment. You can read the GDA Statement and the full summary report that explains the basis of ONR's regulatory judgements here:
Step 2 ONR GDA Statement
Step 2 ONR GDA Statement (cymraeg)
ONR summary report
Environment Agency / NRW: GDA Step 2 of the Rolls-Royce SMR: fundamental assessment
Public involvement
GDA includes a comments process. The reactor design company is encouraged to publish detailed design information on its website and update it as new information becomes available.