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STEP MAST-U EBW II Upgrade

UK Fusion Energy Limited

This public procurement record has 2 releases in its history.

Award

03 Jul 2026 at 14:22

UK6 - Contract Award Notice
Tender

03 Feb 2026 at 19:05

UK4 - Tender Notice
Summary of the contracting process

UK Fusion Energy Limited, located at Culham Campus, Abingdon, is managing a public procurement process titled "STEP MAST-U EBW II Upgrade," within the industry category of microwave technology. The procurement is part of the UK's efforts to enhance experiments on the MAST Upgrade Spherical Tokamak, using microwave technologies such as Electron Bernstein Waves in Oxfordshire. This tender has advanced to the award stage, with Kyoto Fusioneering Limited selected as the supplier. The procurement, valued at £5,490,200 (gross £6,588,240), follows an open competitive flexible procedure. Key dates include the award notice on 3rd July 2026, a standstill period ending on 15th July 2026, and the contract period beginning 16th July 2026 through 30th March 2029, with a potential optional extension until 29th March 2030.

This tender provides significant opportunities for companies within the microwave equipment industry to grow their businesses, particularly those with expertise in sophisticated electron wave technologies. Large-scale enterprises with advanced capabilities in manufacturing microwave tubes and equipment are well-suited for this contract. The procurement is structured to engage capable suppliers that can deliver high-value engineering projects. Companies participating can leverage this contract to enhance their portfolio and establish collaborations within the global energy fusion sector, as represented by involvement with both UK-based and international entities like Kyoto Fusioneering Limited.

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Notice Information

Notice Title

STEP MAST-U EBW II Upgrade

Notice Description

UKIFS is seeking to procure a suitable supplier to deliver the services contract for the Two Gyrotrons for the MAST -U EBW II upgrade. In order to validate some of the microwave technologies, including Electron Bernstein Waves (EBW), experiments are being carried out on UKAEA's MAST Upgrade Spherical Tokamak in Culham, Oxfordshire.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-0615f3
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/062839-2026
Current Stage
Award
All Stages
Tender, Award

Procurement Classification

Notice Type
UK6 - Contract Award Notice
Procurement Type
Standard
Procurement Category
Goods
Procurement Method
Open
Procurement Method Details
Competitive flexible procedure
Tender Suitability
SME
Awardee Scale
Large

Common Procurement Vocabulary (CPV)

CPV Divisions

31 - Electrical machinery, apparatus, equipment and consumables; lighting

CPV Codes

31711420 - Microwave tubes and equipment

31711422 - Microwave equipment

Notice Value(s)

Tender Value
£7,800,000 £1M-£10M
Lots Value
£7,800,000 £1M-£10M
Awards Value
£5,490,200 £1M-£10M
Contracts Value
Not specified

Notice Dates

Publication Date
3 Jul 20261 months ago
Submission Deadline
25 Mar 2026Expired
Future Notice Date
Not specified
Award Date
3 Jul 20261 months ago
Contract Period
16 Jul 2026 - 30 Mar 2029 2-3 years
Recurrence
Not specified

Notice Status

Tender Status
Complete
Lots Status
Complete
Awards Status
Pending
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
UK Fusion Energy Limited
Additional Buyers

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

Supplier Information

Number of Suppliers
1
Supplier Name

Kyoto Fusioneering 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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