Nuclear reactors

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52 Nuclear reactors notices found

Awarded contract
Small Modular Reactor Technology Partner
Great British Nuclear ("GBN")Supplier(s) ROLLS-ROYCE SMR LIMITEDGBP 359,000,000Awarded 10 April 2026Engineering design services for the construction of civil engineering works
Awarded contract
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)
GBP 6,200,000,000Awarded 30 October 2025Business and management consultancy and related services
Awarded contract
Trawsfynydd Reactor Buildings Height Reduction
Nuclear Restoration Services LimitedSupplier(s) COSTAIN GROUP PLCGBP 71,813,292Awarded 2 October 2025Hire of construction and civil engineering machinery and equipment with operator
Closed tenderPublished 28 February 2025
Building 47 Refurbishment
NPL Management LtdGBP 2,500,000Closing 18 April 2025Construction work
Stale Pre-tenderPublished 3 February 2025
HALEU Deconversion - Supplier Engagement Day
National Nuclear Laboratory LtdElectricity, heating, solar and nuclear energy
Awarded contract
GBN EPRI Membership ANT Programme
Department for Energy Security & Net ZeroSupplier(s) Electric Power Research Institute, Inc.GBP 239,181Awarded 1 May 2024Expiring 30 April 2027Research and development consultancy services
Awarded contract
Procurement of 2 ASTUTE Class Reactor Fresh Water-Cooling Heat Exchangers
Ministry of DefenceSupplier(s) Naval GroupGBP 8,000,000Awarded 13 March 2024Cooling-water pumps
Expired contract
Assessment of Nuclear Justification applications
Department for Environment, Food & Rural Affairs (DEFRA)Supplier(s) PA Consulting Services LtdGBP 994,100Awarded 4 March 2024Expiring 3 June 2026General management consultancy services
Stale Pre-tenderPublished 8 January 2024
Procurement of consultancy services in support of technology development of heat exchanger design
National Nuclear Laboratory LtdHeat-exchange units
Stale Pre-tenderPublished 1 August 2023
NNL Recruitment Services Framework
National Nuclear Laboratory LtdGBP 1,000,000Supply services of office personnel
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Closed tenderPublished 31 July 2023
Decommissioning Nuclear Waste Partnership (DNWP)
Sellafield LimitedGBP 4,600,000,000Closing 9 October 2023Waste disposal site construction work
Closed tenderPublished 18 July 2023
Small Modular Reactor Technology Partner
Great British Nuclear ("GBN")GBP 20,000,000,000Closing 23 August 2023Nuclear safety services
Awarded contract
Liquid Ion Chromatography Machine - CAN
Ministry of DefenceSupplier(s) Thermo fisher scientificGBP 43,914.07Awarded 11 May 2023Expiring 30 September 2026Chromatographs
Closed tenderPublished 27 May 2023
Trawsfynydd Reactor Buildings Height Reduction
Nuclear Restoration Services LimitedGBP 53,000,000Closing 26 June 2023Construction work
Stale Pre-tenderPublished 17 April 2023
Land Quality Services 2024+ PIN
Nuclear Restoration Services LimitedGBP 20,000,000Environmental Impact Assessment (EIA) services other than for construction
Stale Pre-tenderPublished 17 April 2023
Land Quality Services
Nuclear Restoration Services LimitedGBP 20,000,000Groundwater pollution monitoring or control services
Closed tenderPublished 31 March 2023
Liquid Ion Chromatography Machine -706968454
Ministry of DefenceGBP 44,000Closing 1 May 2023Chromatographs
Awarded contract
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 OyGBP 458,880.62Awarded 11 April 2022Research, testing and scientific technical simulator
Stale Pre-tenderPublished 4 February 2022
Recruitment Service - Framework Agreement
National Nuclear Laboratory LtdGBP 1,000,000Supply services of office personnel
Closed tenderPublished 13 December 2021
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 BirminghamGBP 500,000Closing 12 January 2022Research, testing and scientific technical simulator

Top buyers

Buyers ranked by total contract award volume for nuclear reactors.

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BuyersCountValue

Department for Business Energy and Industrial Strategy (BEIS)
13
£40.8m
UK Atomic Energy Authority
7
£58.7m
National Nuclear Laboratory Ltd
6
£2.0m
Nuclear Restoration Services Limited
4
£164.8m
University of Birmingham
3
£1.5m
Department of Energy and Climate Change
3
£1.5m
Ministry of Defence
3
£8.1m
Sellafield Limited
2
£10.8bn
Department For Work and Pensions (DWP)
2
£225.1k
Great British Nuclear ("GBN")
2
£20.4bn

Trend over time

Notice volume for nuclear reactors published over time.

Top suppliers

Suppliers ranked by total contract award volume for nuclear reactors.

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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