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STEP Construction Partner

UK Atomic Energy Authority Published 22 Apr 2026 Contracts Finder

key details

Value£1
Statuscomplete
Category (CPV) 45220000 +24 more
Deadline17 Jul 2024
Contract start2 Apr 2026
Contract end31 Mar 2029
Procedureselective
SME suitableYes
OCIDocds-b5fd17-ea265eae-7b7b-4fa1-9582-a951015d8c27

Award

SupplierValueDateStatus
ILIOS £10,000,000,000 1 Apr 2026 active

description

UKIFS (now UKFE) has conducted this Procurement for a Construction Partner, who, together with a Fusion Partner (determined to be United Kingdom Atomic Energy Authority (UKAEA)), will bring together and develop extensive industrial capabilities to design and build a UK prototype fusion energy plant capable of delivering net-energy to the grid, and build a world-leading fusion delivery industry.

The Procurement was originally divided into two lots:

Lot 1: Engineering Partner (EP)
Lot 2: Construction Partner (CP)

However, Lot 1 - EP has since been cancelled. Lot 2 - CP is now the only Lot included in this Procurement exercise.

The contract term for Lot 2 will expire 31 March 2029, followed by three (3) optional extension periods of four (4), six (6) and seven (7) years.

UKFE will have the right to exercise an extension option at six (6) months' notice. The maximum contract duration will be twenty (20) years with an estimated value of £10,000,000,000 across this period.

notice history

1 notice published against this procurement.

PublishedTypeRegimeNotice
22 Apr 2026 Award (award) · 55501510-06d2-4ce2-a694-cc4b78f6e508-894057

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