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Fuel Cycle Technical Specification Development

UK Industrial Fusion Solutions Ltd

This public procurement record has 1 release in its history.

Tender

30 Jul 2026 at 12:04

UK4 - Tender Notice
Summary of the contracting process

UK Fusion Energy Ltd is procuring technical analysis and consultancy services to develop equipment-level, near-preliminary design technical specifications and datasheets for key components in the tritium fuel cycle of the Spherical Tokamak for Energy Production Prototype Plant. The work covers mature tritium components including tritium-compatible valves, piping and pressure vessels, catalytic recombiners, molecular sieve beds, vacuum pumps and depleted uranium storage beds. The specifications must be independent of final plant sizing and detailed interfaces, while providing enough technical depth for objective pre-qualification and early supplier engagement. The supplier will rationalise information from multiple sources and document the decision logic used to select design criteria. UK Fusion Energy Ltd is based at Culham Science Campus, Oxfordshire, and the requirement concerns work in the UK.

The procurement has reached tender: the buyer invited offers through an open procedure. It is a single-lot services contract with an estimated value of £150,000 excluding VAT and £180,000 including VAT. Enquiries must be submitted by 27 August 2026 at 12:00, and tenders by 3 September 2026 at 12:00. The intended evaluation decision is due by 14 September 2026 at 23:59. The contract is scheduled to run from 2 October 2026 to 2 April 2027. Quality, including social value, carries 80% of the score and commercial considerations 20%. Economic and technical selection criteria apply, with detailed requirements set out in the invitation-to-tender documentation. Tender communications and submissions are managed electronically through the Delta e-Sourcing platform.

This opportunity suits engineering consultancies and specialist technical organisations with experience developing design specifications and datasheets for complex energy, nuclear, fusion or other safety-critical equipment. Relevant capability includes interpreting and rationalising diverse technical sources, defining equipment-level design criteria, and recording a clear decision trail that suppliers can use. Strong candidates should understand tritium-compatible systems and components such as valves, piping, pressure vessels, catalytic recombiners, molecular sieve beds, vacuum pumps and depleted uranium storage beds. The work also favours suppliers able to produce standardised, accessible technical guidance that supports pre-qualification and early supplier engagement. Experience contributing to supplier qualification, accreditation or technical baseline development would be particularly relevant.

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Notice Information

Notice Title

Fuel Cycle Technical Specification Development

Notice Description

This contract establishes the requirements for development of a suite of equipment-level, near-preliminary design technical specifications and associated datasheets for key components within the Spherical Tokamak for Energy Production (STEP) Prototype Plant (SPP) tritium fuel cycle. The objective is to produce clear, standardised, and accessible technical design guidance for mature tritium components, presented in a format that enables interpretation and application by suppliers. The specifications shall remain independent of final plant sizing and detailed interfaces, while providing sufficient technical depth to enable objective pre-qualification and early supplier engagement. Developing the specifications will require a supplier to rationalise multiple sources of tritium design information and record the decision logic in selecting design criteria. Equipment for the scope is prioritised and includes tritium-compatible valves, piping and pressure vessels, catalytic recombiners, molecular sieve beds, vacuum pumps and depleted uranium storage beds. The output of this contract could form the technical baseline for a supplier accreditation scheme under consideration by UK Fusion Energy ltd. For more information about this opportunity, please visit the eSourcing portal at: https://ukfe.delta-esourcing.com/tenders/UK-UK-Abingdon:-Technical-analysis-or-consultancy-services./3W7WEB9M8T To respond to this opportunity, please click here: https://ukfe.delta-esourcing.com/respond/3W7WEB9M8T

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-06d773
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/072126-2026
Current Stage
Tender
All Stages
Tender

Procurement Classification

Notice Type
UK4 - Tender Notice
Procurement Type
Standard
Procurement Category
Services
Procurement Method
Open
Procurement Method Details
Open procedure
Tender Suitability
Not specified
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

71 - Architectural, construction, engineering and inspection services

73 - Research and development services and related consultancy services

79 - Business services: law, marketing, consulting, recruitment, printing and security

CPV Codes

71621000 - Technical analysis or consultancy services

73220000 - Development consultancy services

79411000 - General management consultancy services

Notice Value(s)

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

Notice Dates

Publication Date
30 Jul 20262 months ago
Submission Deadline
3 Sep 2026Expired
Future Notice Date
Not specified
Award Date
Not specified
Contract Period
2 Oct 2026 - 2 Apr 2027 6-12 months
Recurrence
Not specified

Notice Status

Tender Status
Active
Lots Status
Active
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
UK Industrial Fusion Solutions Ltd
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
ABINGDON
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
Not specified
Local Authority
South Oxfordshire
Electoral Ward
Sandford & the Wittenhams
Westminster Constituency
Didcot and Wantage

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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