Change of https://www.gov.uk/guidance/small-modular-reactors-competitive-technology-selection-process

Change description : 2025-02-28 09:23:00: Yes, an update on the SRM selection process. [Guidance and regulation]

Showing diff : 2024-10-31 09:11:17.590945746 +00:00..2025-02-28 09:24:00.074701331 +00:00

Guidance

Small Modular Reactors: technology selection process

Progress of GBN's Small Modular Reactor (SMR) technology selection process.

From:
Great British Nuclear
Published
18 July 2023
Last updated
2831 FebruaryOctober 20252024 — See all updates

In July 2023, GBN issued a Contract Notice setting out an intention to enter into a two 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, GBN down-selected six technologies, who would be eligible to bid into the next phase of the procurement.

  3. In March 2024, these six vendors were invited to submit initial tenders. GBN received five bids by the July 2024 submission deadline.

  4. In September 2024, GBN 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.InIn Octoberthe 2024,next GBNstage issuedof anthe Invitationprocurement toprocess, Negotiatebidders will be invited to theenter fournegotiations companies.with GBN. 

6.In5.Great FebruaryBritish 2025,Nuclear GBN(GBN) has now issued an Invitation to SubmitNegotiate Finalto Tenders.the Oncefour finalcompanies tendersits Small Modular Reactor (SMR) selection process. After these negotiations are received,concluded, the companies will be invited to submit Final Tenders, which GBN will evaluatethen these,evaluate.  withA final decisionsdecision on which technologies to select towill be taken in the spring.  GBN will provide further updates in due course. 

The companies remaining in this process are GE Hitachi Nuclear Energy International LLC, Holtec Britain Ltd, Rolls Royce SMR Ltd, and Westinghouse Electric Company UK Ltd.

Gwen Parry-Jones, CEO of Great British Nuclear said: ‘Our SMR selection is on track to provide Britain with new nuclear power in the next decade and beyond. We look forward to completing this complex and groundbreaking procurement over the coming months.’

Contact details 

If you have any questions about  SMRs  or  GBN, email  enquiries@gbnuclear.gov.uk

Updates to this page

Published 18 July 2023
Last updated 2831 FebruaryOctober 2025 2024 + show all updates

  1. Yes, an update on the SRM selection process.

  2. Update on the SMR technology selection process

  3. GBN has updated the information regarding the initial tender phase of the technology selection process.

  4. Added link to the Small Modular Reactor Technology Partner contract notice on GOV.UK Find a tender service.

  5. First published.

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Contents

Update history

2025-06-10 09:28
Rolls-Royce SMR Ltd has been selected as preferred bidder.

2025-02-28 09:23
Yes, an update on the SRM selection process.

2024-10-31 09:01
Update on the SMR technology selection process

2024-09-25 17:20
GBN has updated the information regarding the initial tender phase of the technology selection process.

2023-07-19 09:59
Added link to the Small Modular Reactor Technology Partner contract notice on GOV.​UK Find a tender service.

2023-07-18 00:01
First published.