STEP Engineering System Partners Procurement
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 nat...
Buyer
UK Fusion Energy Ltd
Value
£20,000,000
Published
11 Nov 2026
Closes
29 Jan 2027
Procurement details
Source
Find a Tender
Region
United Kingdom
Procurement method
Open
Category
Services
Contract starts
22 Apr 2027
Contract ends
31 Mar 2029
CPV classifications
71300000
Engineering services
71320000
Engineering design services
71330000
Miscellaneous engineering services
71350000
Engineering-related scientific and technical services
42990000
Miscellaneous special-purpose machinery
73100000
Research and experimental development services
73110000
Research services
72242000
Design-modelling services
Lots
Lot 1 Breeder Blanket System Partner (BBSP)
£20,000,000
UKFE is seeking to establish a Breeder Blanket System Partner (BBSP) to lead the delivery of the Breeder Blanket System, working closely with UKFE and other partners. The BBSP will provide critical capabilities regarding the design, integration and the realisation of designs through to manufacture and operation of the Breeder Blanket System. This includes pr...
Delivery: UK · United Kingdom
Lot 2 Fuel Cycle System Partner (FCSP)
£20,000,000
UKFE is seeking to establish a Fuel Cycle System Partner (FCSP) to support and then lead on the delivery of key fuelling and fuel cycle sub-systems, working closely with UKFE and other partners. The FCSP will provide critical capabilities regarding the design, integration and the realisation of designs through to manufacture, delivery and operation of the Fu...
Delivery: UK · United Kingdom
Lot 3 Test Operations Partner (TOP)
£35,000,000
UKFE is seeking to establish a Test Operations Partner (TOP) to lead operations of UKFE test facilities and associated test activities, working closely with UKFE and other partners. The TOP will be critical to building confidence in and further defining the SPP design, while establishing test and operational capabilities that can support its future developme...
Delivery: UK · United Kingdom
Lot 4 Control System Partner (CSP)
£15,000,000
UKFE is seeking to establish a Control System Partner (CSP) to lead the delivery and integration of control systems across all areas of the plant, working closely with UKFE and other partners. The CSP will provide critical capabilities regarding the design, integration and the realisation of designs through to manufacture and operation of the plant control s...
Delivery: UK · United Kingdom
Lot 5 System Engineering and Whole Plant Integration Partner (SEWPIP)
£25,000,000
UKFE is seeking to establish a Systems Engineering and Whole Plant Integration Partner (SEWPIP) to provide critical capabilities, primarily within the Design Authority (DA) but also within the wider Integrated Projects Teams, to enable the STEP DA to discharge its responsibilities effectively during Tranche 2A. This includes providing SEWPIP capability to su...
Delivery: UK · United Kingdom
Documents
Unlock document linkTender notice on Find a Tender
11 Nov 2026
Tender notice on Find a Tender
Tender notice · UK4 · Web page
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