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STEP Engineering System Partners Procurement

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In brief

UK Fusion Energy Ltd is seeking STEP Engineering System Partners for the Spherical Tokamak for Energy Production (STEP) programme in the United Kingdom. This services contract has an estimated value of 138,000,000 GBP and a duration of 24 months. The deadline for submission is 29 January 2027. All notice information, tender documents, and submission instructions are available on the find-tender.service.gov.uk portal.

Updated November 13, 2026

Deadline
75 days left
January 29, 2027
Contract Details
Category
Open Procedure
Reference
107283-2026
Value
£138,000,000
Location
United Kingdom
Published
November 07, 2026
Organization
CPV Code
Project Timeline

Tender Published

November 11, 2026

Deadline for Questions

January 22, 2027

Submission Deadline

January 29, 2027

Contract Start Date

April 22, 2027

Key facts

Estimated value
£138,000,000
Deadline
75 days left
CPV Code
71300000 — Engineering services
Procedure
Competitive flexible procedure
Lots
Divided into lots
Budget
£138,000,000
Duration
24 months
Location
United Kingdom
Type
Open Procedure

Original Tender Description

Background The Spherical Tokamak for Energy Production (STEP) programme aims to deliver a prototype fusion energy plant by 2040, while also developing a robust fusion supply chain and a pathway to commercial fusion. Achieving this vision requires the delivery of an unprecedented and complex engineering design, alongside a major infrastructure project involving a large and diverse supply chain, all on an ambitious timeline. STEP is a central component of the UK’s long-term vision for commercial fusion energy and national energy security. The STEP programme directly supports the UK Government’s strategic objectives in clean energy innovation, energy resilience, and global technological leadership. Fusion energy is recognised as a potential transformative low-carbon energy source, offering long-term reductions in reliance on fossil fuels and mitigating exposure to volatile international energy markets. System Partners Opportunity UKFE is seeking to procure suitable Suppliers (an individual organisation, consortium or joint venture) across 5 Lots to support the delivery of the UK’s prototype fusion energy plant. The information for each Lot below represents an overview of the requirements and the definitive statement of UKFE’s requirements is set out in the Capability Statements provided with the procurement documents. The term of the Contract under each Lot will be two (2) years with an option to extend for one (1) year on two (2) occasions, at the discretion of UKFE. The total contract length will not exceed four (4) years. The maximum value for each Lot is set out below and includes expenses (excluding VAT) for the initial term and for the extension period. For more information about this opportunity, please visit the eSourcing portal at: https://ukfe.delta-esourcing.com/tenders/UK-UK-Abingdon:-Engineering-services./3M5EHF9G8W To respond to this opportunity, please click here: https://ukfe.delta-esourcing.com/respond/3M5EHF9G8W

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Basic Requirements

  • Company registration in EU required
  • Proven track record in similar projects
  • Financial stability documentation

Documents

3 documents available with AI summaries

OCDS RecordDOC
107283-2026_ocds_record.json

No summary available for this document.

OCDS Release PackageDOC
107283-2026_ocds_release.json

No summary available for this document.

Official PDF VersionPDF
107283-2026_official.pdf

No summary available for this document.

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