Small Modular Reactors: technology selection process
Progress of GBE-N's Small Modular Reactor (SMR) technology selection process.
In July 2023, we issued a Contract Notice setting out an intention to enter into a 2 Stage contract for design, development and construction contract with those successful bidders.
Procurement progress to-date
1. In July 2023, interested parties were required to respond to a selection questionnaire. This concluded in August 2023.
2. In October 2023, we down-selected 6 technologies, who would be eligible to bid into the next phase of the procurement.
3. In March 2024, these 6 vendors were invited to submit initial tenders. We received 5 bids by the July 2024 submission deadline.
4. In September 2024, we concluded the initial tender phase of the technology selection process. The down-selected companies are:
- GE-Hitachi Nuclear Energy International LLC
- Holtec Britain Ltd
- Rolls-Royce SMR Ltd
- Westinghouse Electric Company UK Ltd
5. In October 2024, we issued an Invitation to Negotiate to the 4 companies.
6. In February 2025, we issued an Invitation to Submit Final Tenders. Once final tenders were received, these were evaluated.
7. In June 2025, Rolls-Royce SMR Ltd was selected as preferred bidder.
8. In April 2026, GBE-N and Rolls-Royce SMR entered into contract, concluding the technology selection process.
Contact details
If you have any questions about SMRs or GBE-N, email enquiries@greatbritishnuclear.uk.