Great British Nuclear (GBN) has launched a tender for its Small Modular Reactor (SMR) programme, seeking two owner’s engineers(OE) for contracts worth a combined £600m lasting 14 years
The final number of OE contracts will depend on the outcome of GBN’s SMR Technology Partner procurement. The programme will bring two of the first-of-its-kind nuclear technology into the UK energy sector.
The tender contractees will support GBN’s internal ‘Intelligent Customer’ and ‘Intelligent Client’ teams, working on oversight, audit, risk and design compliance advice over the duration of the projects.
Contract dates are set to run from March 2026 to March 2040.
The SMR Programme will include:
1. Planning and Scheduling
2. Cost Estimating and Cost Management
3. Risk Management
4. Scope Management
5. Change Management
6. NEC Contracts
Technical requirements will include
1. Core Design Authority
2. Safety Case
3. BAT Case
4. Chemistry
5. Civil Engineering
6. Commissioning
7. Control & Instrumentation
8. Construction, incl. CDM
9. Conventional Waste
10. Criticality
11. Cyber Security (incl. Security by design)
12. Decommissioning
13. Electrical Engineering
14. Environmental Protection
15. Engineering Management
16. Equipment Qualification
17. Emergency Planning & Response
18. External Hazards
19. Fault Studies
20. Fuel & Core Design
21. Human Factors
22. Internal Hazards
23. Leadership and Management for Safety, Supply Chain and Quality
24. Mechanical Engineering
25. Protective Security (incl. Security by design)
26. Probabilistic Safety Analysis (PSA)
27. Radiological Protection
28. Radioactive Waste Management
29. Reactor Core Physics
30. Requirements Management
31. Safeguards (incl. Safeguards by design)
32. Safety Case Analysis and Techniques (incl. Safety by design)
33. Severe Accident Analysis (SAA)
34. Structural Integrity
35. System Engineering
36. Training
Per the Procurement Act 2023, the competetive procedure will run in two stages, with a pre-qualification round opening in June. Full tenders are due by 19 September, ahead of the final decision in March 2026.
Small modular reactors (SMR) have a lower capacity than large-scale nuclear plants and as a result are usually quicker and cheaper to build.
Full details of the small nuclear reactor tender can be found here.
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