Planning

Repurposing of 400/36kV Substation & 36kV Switchgear

UK ATOMIC ENERGY AUTHORITY

This public procurement record has 1 release in its history.

Planning

23 Dec 2025 at 12:49

Summary of the contracting process

The UK Atomic Energy Authority, based in Oxfordshire, is in the planning stage of a tender for the "Repurposing of 400/36kV Substation & 36kV Switchgear" project. This procurement falls under the electrical installation work category and aims to refurbish a private network for future operations at the Culham Science Centre. The preliminary market engagement notice was published on 23rd December 2025, with engagement activities scheduled to conclude by 9th January 2026. Interested parties can expect the main communication for this tender to be announced by 12th January 2026. The contract, valued at £600,000 gross, aims to commence on 20th March 2026 and conclude by 20th August 2027.

This tender presents an excellent opportunity for SMEs and voluntary, community, and social enterprises (VCSEs) specialising in electrical installation works. The project supports future operations in the energy sector, specifically targeting private fusion facilities, thus providing substantial growth potential for businesses with expertise in electrical infrastructure. With the contract period spanning over a year, this tender offers a stable and potentially lucrative opportunity for organisations capable of delivering complex electrical projects. Firms with a track record of working on projects involving substation and switchgear repurposing, especially within the energy sector, would be well-suited to compete for this opportunity.

How relevant is this notice?

Notice Information

Notice Title

Repurposing of 400/36kV Substation & 36kV Switchgear

Notice Description

The Authority wishes to commission an organisation to deliver a work package to provide a repurposed and refurbished 400/36kV private network that is sufficient for current and future UKAEA operations and private Fusion facilities after the closure of the JET experiment at the Culham Science Centre.

Planning Information

Publication of the preliminary market engagement notice and communication with potential suppliers to notify them of the upcoming opportunity.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-05fc82
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/085816-2025
Current Stage
Planning
All Stages
Planning

Procurement Classification

Notice Type
UK2 - Preliminary Market Engagement Notice
Procurement Type
Standard
Procurement Category
Works
Procurement Method
Not Specified
Procurement Method Details
Not specified
Tender Suitability
SME, VCSE
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

45 - Construction work


CPV Codes

45310000 - Electrical installation work

Notice Value(s)

Tender Value
£500,000 £500K-£1M
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
23 Dec 20256 days ago
Submission Deadline
Not specified
Future Notice Date
12 Jan 20262 weeks to go
Award Date
Not specified
Contract Period
20 Mar 2026 - 20 Aug 2027 1-2 years
Recurrence
Not specified

Notice Status

Tender Status
Planning
Lots Status
Planning
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
UK ATOMIC ENERGY AUTHORITY
Contact Name
Emilie Terry
Contact Email
emilie.terry@ukaea.uk
Contact Phone
+12 35528822

Buyer Location

Locality
OXFORDSHIRE
Postcode
OX14 3DB
Post Town
Oxford
Country
England

Major Region (ITL 1)
TLJ South East (England)
Basic Region (ITL 2)
TLJ1 Berkshire, Buckinghamshire and Oxfordshire
Small Region (ITL 3)
TLJ14 Oxfordshire CC
Delivery Location
TLJ14 Oxfordshire CC

Local Authority
South Oxfordshire
Electoral Ward
Sandford & the Wittenhams
Westminster Constituency
Didcot and Wantage

Further Information

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

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The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

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