Competition with a shortlist
Competitive procedure with a selection stage: suppliers were shortlisted before being invited to bid.
Key facts
- Buyer
- UK Atomic Energy Authority · Body governed by public law
- Supplier
- Ilios
- Value
- £10,000,000,000
- Procedure
- Competitive dialog
- Sector
- Construction work · Engineering works and construction works (CPV 45220000)
- Region
- South East
- Official notice
- View on Contracts Finder
- Timeline
-
- Contract date2 Apr 2026
- Published22 Apr 2026Published 20 days after the contract date
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.
About the supplier
Ilios: every public contract they have won.