RFP QuestBeta
Awarded · ResultStage · award

United Kingdom Fusion Energy

STEP Construction Partner (CP)

Business ServicesCPV 45200000
ValueValue not published
Awarded
Published22 Apr 2026
RegionNationwide
Outcome — awarded
ILIOS

This is a contract result notice, not an open opportunity. Details from the official award data.

Who to contact
procurement@step.ukaea.uk

The procurement contact named on the official notice.

The brief

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.

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Source & provenance
OCID
ocds-h6vhtk-0361bf
Stage
award · Awarded
Source
Find a Tender
Buyer ref
036554-2026
View the original notice on Find a Tender

Contains public sector information licensed under the Open Government Licence v3.0. Source data © Crown copyright.

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