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 25 September 2024 — See all updates

1. Procurement Progress To-Date
2. Status of Procurement
3. Contact details

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. 

Status of Procurement 

GBN has now 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

In the next stage of the procurement process, bidders will be invited to enter negotiations with GBN.