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HVPS D15 Cooling System

UK Atomic Energy Authority

This public procurement record has 4 releases in its history.

Award

28 Apr 2026 at 10:30

UK7 - Contract Details Notice
Tender

11 Nov 2025 at 14:30

UK4 - Tender Notice
PlanningUpdate

09 Oct 2025 at 08:30

UK2 - Preliminary Market Engagement Notice
Planning

08 Oct 2025 at 16:00

UK2 - Preliminary Market Engagement Notice
Summary of the contracting process

The procurement process for the "HVPS D15 Cooling System," initiated by the UK Atomic Energy Authority (UKAEA), has reached the award and contract stage. The contract for the design, manufacture, testing, delivery, installation, and commissioning of the cooling system has been awarded to Cool-Therm (UK) Limited, a small and medium-sized enterprise (SME) based in Bristol. This stage of the procurement process was completed on 28th April 2026, and the contract commenced on 24th April 2026, with an expected completion date by the end of December 2026. The contract is valued at £104,453 excluding VAT, with a total duration covering approximately eight months. The procurement method used was "below threshold - open competition," reflecting a competitive and accessible tendering process aimed at central government organisations. The industry category involves works related to cooling and ventilation equipment, specifically targeting installations within Oxfordshire, UK.

This tender represents a significant opportunity for businesses specialising in HVAC installation and cooling systems technology. SMEs with expertise in the design, manufacture, and integration of water chiller systems would find this contract particularly relevant, as it focuses on enhancing the cooling circuits for high voltage power supplies on existing infrastructure. The ability to meet technical criteria, deliver effective programme management, and ensure quality assurance are crucial for competing effectively, with a notable emphasis on commercial criteria driven by price competitiveness. As the procurement process was conducted via open competition, it encouraged participation from various capable suppliers, thereby fostering business growth and potential collaboration within the cooling technology sector. Companies with focus on providing social value through their performance would also align well with the procurement objectives set by UKAEA during this process.

How relevant is this notice?

Notice Information

Notice Title

HVPS D15 Cooling System

Notice Description

UKAEA has a requirement for the design, manufacture, testing, delivery, installation, and commissioning of a new water chiller system to provide primary circuit cooling for the D15 High Voltage Power Supply equipment used on MAST-U.

Planning Information

https://uk.eu-supply.com/app/rfq/rwlentrance_s.asp?PID=98866&B=

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-05aae1
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/038383-2026
Current Stage
Award
All Stages
Planning, Tender, Award

Procurement Classification

Notice Type
UK7 - Contract Details Notice
Procurement Type
Standard
Procurement Category
Works
Procurement Method
Open
Procurement Method Details
Below threshold - open competition
Tender Suitability
SME, VCSE
Awardee Scale
SME

Common Procurement Vocabulary (CPV)

CPV Divisions

42 - Industrial machinery

45 - Construction work

CPV Codes

42500000 - Cooling and ventilation equipment

42510000 - Heat-exchange units, air-conditioning and refrigerating equipment, and filtering machinery

45331000 - Heating, ventilation and air-conditioning installation work

Notice Value(s)

Tender Value
£150,000 £100K-£500K
Lots Value
£150,000 £100K-£500K
Awards Value
Not specified
Contracts Value
£104,453 £100K-£500K

Notice Dates

Publication Date
28 Apr 20264 months ago
Submission Deadline
2 Jan 2026Expired
Future Notice Date
17 Nov 2025Expired
Award Date
24 Apr 20264 months ago
Contract Period
24 Apr 2026 - 31 Dec 2026 6-12 months
Recurrence
Not specified

Notice Status

Tender Status
Complete
Lots Status
Complete
Awards Status
Active
Contracts Status
Active

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
UK Atomic Energy Authority
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
OXFORDSHIRE
Postcode
OX14 3DB
Postcode Area
Oxford
Country
England
Major Region (ITL 1)
TLJ South East (England)
Basic Region (ITL 2)
TLJ1 Berkshire, Buckinghamshire and Oxfordshire
Small Region (ITL 3)
TLJ14 Oxfordshire CC
Delivery Location
TLJ14 Oxfordshire CC
Local Authority
South Oxfordshire
Electoral Ward
Sandford & the Wittenhams
Westminster Constituency
Didcot and Wantage

Supplier Information

Number of Suppliers
1
Supplier Name

Cool-Therm (UK) Limited

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

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The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

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