STEP Construction Partner (CP)
United Kingdom Fusion Energy · United Kingdom
Key facts
- Contract value
- £10,000,000,000
- Awarded
- 01 Apr 2026
- Procedure
- Competitive dialogue
- Buyer type
- Utilities & transport
- Source
- Find a Tender
Awarded to
| Supplier | Value |
|---|---|
| ILIOS | £10,000,000,000 |
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.
Categories (CPV)
- 45220000 Engineering works and construction works
- 45200000 Works for complete or part construction and civil engineering work
- 45213250 Construction work for industrial buildings
- 45214610 Laboratory building construction work
- 45222000 Construction work for engineering works except bridges, tunnels, shafts and subways
- 45223000 Structures construction work
- 45251000 Construction works for power plants and heating plants
- 45251100 Construction work for power plant
- 45251110 Nuclear-power station construction work
- 45251111 Construction work for nuclear reactors
- 45254200 Construction work for manufacturing plant
- 71500000 Construction-related services
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