Nuclear reactors contract awards

Search awarded nuclear reactors contracts across UK procurement portals. See who won, at what value, and set an alert for when the work comes up again.

27 results matching, nuclear reactors

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Awarded contractPublished 8 May 2026
Small Modular Reactor Technology Partner
Great British Nuclear ("GBN")Supplier(s) ROLLS-ROYCE SMR LIMITEDNuclear reactors and partsAwarded 10 April 2026
£359,000,000
Awarded contractPublished 3 November 2025
Decommissioning Nuclear Waste Partnership (DNWP)
Sellafield Limited
Supplier(s)
4 suppliers
A2R (Altrad Support Services Limited and AtkinsRéalis UK Limited)
Amentum Clean Energy Ltd
NDS (Altrad Support Services Ltd, Cavendish Nuclear Ltd, Shepley Engineers Ltd)
TDA (AtkinsRéalis UK, Amentum Clean Energy, Westinghouse Electric Company UK)
Business and management consultancy and related servicesAwarded 30 October 2025
£6,200,000,000
Awarded contractPublished 7 October 2025
Trawsfynydd Reactor Buildings Height Reduction
Nuclear Restoration Services LimitedSupplier(s) COSTAIN GROUP PLCHire of construction and civil engineering machinery and equipment with operatorAwarded 2 October 2025
£71,813,292
Awarded contract, expiring in 6 monthsPublished 14 May 2024
GBN EPRI Membership ANT Programme
Department for Energy Security & Net ZeroSupplier(s) Electric Power Research Institute, Inc.Research and development consultancy servicesAwarded 1 May 2024
£239,181
Awarded contractPublished 18 March 2024
Procurement of 2 ASTUTE Class Reactor Fresh Water-Cooling Heat Exchangers
Ministry of DefenceSupplier(s) Naval GroupAttack submarine nuclear fuelledAwarded 13 March 2024
£8,000,000
Expired contract, expired 3 June 2026Published 13 February 2024
Assessment of Nuclear Justification applications
Department for Environment, Food & Rural Affairs (DEFRA)Supplier(s) PA Consulting Services LtdGeneral management consultancy servicesAwarded 4 March 2024
£994,100
Expired contract, expired 30 September 2026Published 22 June 2023
Liquid Ion Chromatography Machine - CAN
Ministry of DefenceSupplier(s) Thermo fisher scientificChromatographsAwarded 11 May 2023
£43,914.07
Awarded contractPublished 3 May 2022
Contract for the Supply and Installation of an Aqueous Mechanical and Corrosion Testing Loop with in-situ Irradiation Capability to the University of Birmingham
University of BirminghamSupplier(s) Cormet OyResearch, testing and scientific technical simulatorAwarded 11 April 2022
£458,880.62
Awarded contractPublished 18 March 2020
Services furnished by specialist organisations
Department for Business Energy and Industrial Strategy (BEIS)Supplier(s) Environment AgencyServices furnished by specialist organisationsAwarded 17 March 2020
£941,000
Awarded contractPublished 19 June 2020
MEDICAL RADIOISOTOPE AND RESEARCH REACTOR (MRRR) Optioneering Study
Welsh GovernmentSupplier(s) ROLLS-ROYCE PLCResearch and development services and related consultancy servicesAwarded 14 February 2020
Value not stated
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Awarded contractPublished 2 October 2019
STEP WP11 – Feasibility Study of Modular Reactor Designs
UK Atomic Energy AuthoritySupplier(s) The Nuclear AMRC (University of Sheffield), OVE ARUP & PARTNERS LIMITEDConstruction-related servicesAwarded 2 October 2019
Value not stated
Expired contract, expired 28 February 2020Published 2 October 2019
STEP WP11 - Feasibility Study of Modular Reactor Designs
UK Atomic Energy AuthoritySupplier(s) OVE ARUP & PARTNERS LIMITED, The Nuclear AMRC (University of Sheffield)Engineering servicesAwarded 27 September 2019
£140,000
Expired contract, expired 31 March 2020Published 24 October 2019
Stage 3 SBRI Nano-steels project extension
Department for Business Energy and Industrial Strategy (BEIS)Supplier(s) The University of SheffieldResearch and development services and related consultancy servicesAwarded 4 September 2019
£59,906
Expired contract, expired 30 June 2019Published 12 November 2018
Provision of Technical Support to ONR Research on Dual Purpose Casks
Health and Safety ExecutiveSupplier(s) Wood Group LtdResearch and development services and related consultancy servicesAwarded 29 October 2018
£47,975
Expired contract, expired 31 March 2020Published 19 May 2018
Office for Nuclear Regulation (ONR) regulatory capability project.
Department for Business Energy and Industrial Strategy (BEIS)Supplier(s) Office for Nuclear Regulation (ONR)Design and execution of research and developmentAwarded 11 May 2018
£5,000,000
Awarded contractPublished 16 May 2018
Design and execution of research and development
Department for Business Energy and Industrial Strategy (BEIS)Supplier(s) Office for Nuclear Regulation (ONR)Design and execution of research and developmentAwarded 11 May 2018
£5,000,000
Awarded contractPublished 26 April 2018
Research and development services and related consultancy services
Department for Business Energy and Industrial Strategy (BEIS)Supplier(s) Frazer-Nash Consultancy LimitedResearch and development services and related consultancy servicesAwarded 28 March 2018
£3,649,456
Expired contract, expired 23 April 2020Published 29 April 2018
R&D on Reactor Design-Safety
Department for Business Energy and Industrial Strategy (BEIS)Supplier(s) Frazer-Nash Consultancy LimitedResearch and development services and related consultancy servicesAwarded 28 March 2018
£3,649,456
Awarded contractPublished 3 May 2017
Research and experimental development services
Department for Business Energy and Industrial Strategy (BEIS)Supplier(s) Frazer-Nash Consultancy Limited, Amec Foster Wheeler Environment and Infrastructure UK Limited CompanyResearch, testing and scientific technical simulatorAwarded 16 February 2017
£4,688,972
Expired contract, expired 31 December 2018Published 12 May 2017
R&D on Digital Nuclear Reactor Design
Department for Business Energy and Industrial Strategy (BEIS)Supplier(s) Amec Foster Wheeler Environment and Infrastructure UK Limited Company, Frazer-Nash Consultancy LimitedResearch and experimental development servicesAwarded 16 February 2017
£4,688,972

Top buyers

The buyers awarding the most nuclear reactors contracts, and how much they've spent.

View all buyers

BuyersCountValue

Department for Business Energy and Industrial Strategy (BEIS)
9
£32.4m
Department of Energy and Climate Change
3
£1.5m
UK Atomic Energy Authority
2
£140.0k
Department For Work and Pensions (DWP)
2
£225.1k
Health and Safety Executive
2
£605.7k
Ministry of Defence
2
£8.0m
Department for Environment, Food & Rural Affairs (DEFRA)
1
£994.1k
Sellafield Limited
1
£6.2bn
Nuclear Restoration Services Limited
1
£71.8m
University of Birmingham
1
£458.9k

Trend over time

Notice volume for nuclear reactors searches published over time.

Top suppliers

Suppliers winning the most nuclear reactors contracts, and what those awards are worth.

View all suppliers

SuppliersCountValue

Frazer-Nash Consultancy Limited
5
£14.3m
Amec Foster Wheeler Environment and Infrastructure UK Limited Company
3
£7.0m
OVE ARUP & PARTNERS LIMITED
2
£70.0k
The Nuclear AMRC (University of Sheffield)
2
£70.0k
Ernst & Young LLP (EY)
2
£1.5m
Office for Nuclear Regulation (ONR)
2
£10.0m
Naval Group
1
£8.0m
ROLLS-ROYCE SMR LIMITED
1
£359.0m
Amentum Clean Energy Ltd
1
£1.6bn
Thermo fisher scientific
1
£43.9k

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