Bonding for Microwave Windows in Ultra- High Vacuum Boundaries for STEP - Phase 2

Official notice

Authority: UK Fusion Energy Ltd (Public body)

Below threshold - without competition

Sectors: Research & Development (R&D) (73) Delivery: UKSouth East (UKJ14)

Awarded value£100,367published award · inc. VAT

Awarded 16 Oct 2025no call for competition

Awarded to Amentum Clear Energy Limited

What is being bought

Published requirement description

This document outlines technical specifications for the development of metal to ceramic bonding prototypes for use in low power microwave vacuum barriers and a feasibility paper based study for the production and testing of the ceramic-to-metal joints produced in phase 1 of this project (of reduced diameter).

To view this notice, please click here:

www.delta-esourcing.com/delta/viewNotice.html ↗

The lotProcurement structure

single lot · no lot value published

Lot #1Awarded

Delivery: UK, South East

73000000 Research and development services and related consultancy services 73300000 Design and execution of research and development

Procedure terms & legal framework

From the official record

Procedure method: Below threshold - without competition
Legal basis: UKPGA · 2023/54 Procurement Act 2023
Notice status: Awarded without competition
Procurement threshold: Unspecified in notice
Regulatory regime: Standard
Commercial structure: Stand-alone contract (no framework)
Competition type: Direct award (no call for competition)
GPA / WTO covered: Unspecified in notice
Recurring procurement: Unspecified in notice
First published: 24 Oct 2025, 16:05 BST
Last source update: 24 Oct 2025, 16:05 BST
Authority reference: PP-UKIFS-370
FTS notice number: 2025/S 000-068308
Latest notice: Contract award notice (UK6)
Delivery area: UKSouth East (UKJ14)
Official registry OCID: ocds-h6vhtk-05d3a2 Find a Tender

Notice history

2 events · 1 release on Find a Tender · since 24 Oct 2025

Contract award notice published
24 Oct 2025, 16:05 BST
UK6
Contract signature expected
30 Oct 2025, 23:59 GMT
scheduled

Commercial outcome & contract awards

Published awards, contracts and bid statistics, not a forecast

Awards 1

Awarded value (inc. VAT) £100,3671 award inc. VAT; no net value published

Awarded to	Value	Date	Status
Amentum Clear Energy Limited31 Oct 2025 – 31 Mar 2026	£100,367 inc. VAT	16 Oct 2025	Awarded

Contracting authority & participating public bodies

United Kingdom Industrial Fusion Solutions

Contracting authorityPublic undertaking GB-PPON: PCRM-7973-DCBL Abingdon, Culham, South East, OX14 3DBContact email

Bidders & participating suppliers

1 commercial party on the notice

Amentum Clear Energy LimitedAwarded supplier 601 Faraday Street, Birchwood park, Warrington, North West, WA3 6GNContact email

Official documents & specifications (1)

Official links; attachments are not copied

Notices published for this procedure

Contract award notice awardContract award noticeUK6Contract award notice on Find a Tender24 Oct 2025, 16:05 BST