Planning

Supply and Install of 415V AC Distribution, Metering and Inter-Trip Panels

UK ATOMIC ENERGY AUTHORITY

This public procurement record has 1 release in its history.

Planning

28 Oct 2025 at 16:52

UK2 - Preliminary Market Engagement Notice
Summary of the contracting process

The UK Atomic Energy Authority, located in Oxfordshire, is in the planning stage of a procurement process entitled "Supply and Install of 415V AC Distribution, Metering and Inter-Trip Panels." This procurement falls under the industry category of electrical machinery and apparatus and is situated within the UKJ14 region of the United Kingdom. The process is initiated as a tender with key milestones scheduled, including a preliminary market engagement notice due on 11th November 2025. This procurement is related to significant upgrades planned for 2026 at the Culham site, involving complex electrical distribution and metering systems. The main procurement category is goods, with an additional focus on works, indicating a comprehensive scope of supply and installation services required.

This tender presents substantial opportunities for businesses specialised in electrical apparatus, distribution systems, and SCADA integration. Small to medium enterprises (SMEs) are particularly well-suited to compete, as indicated by the suitability criteria. Businesses capable of designing, manufacturing, and installing complex electrical systems will find ample growth potential in this contract, valued at £450,000 net, with a gross amount of £540,000. As work is planned to occur between February and March 2026, with potential extensions into March 2027, participating businesses can leverage this project to enhance their portfolio and establish a foothold in the government utilities sector.

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Notice Information

Notice Title

Supply and Install of 415V AC Distribution, Metering and Inter-Trip Panels

Notice Description

The UK Atomic Energy Authority's main HV Pulsed Power supply to the Culham site is via a dedicated overhead line fed directly from the National Grid at 400kV, transformed down to 33kV. The main distribution substation for this supply is J5 substation, located at the north end of Culham Campus. The substation is undergoing a significant upgrade in 2026. The scope is for part of that upgrade. It covers the design, manufacture, delivery, installation, and commissioning of: * A replacement 415V AC Distribution Board, * 3 replacement auxiliary supply cubicles including isolation transformers, * A new 400/33 kV inter-trip panel to transfer trip signals between the 400 kV and 33 kV substations, and * A new 400 kV revenue metering panel capable of metering the 400 kV supply for each of the three Super-Grid Transformers (SGTs). All of the above must be capable of integration with a new IEC 61850 SCADA system.

Planning Information

https://uk.eu-supply.com/app/rfq/rwlentrance_s.asp?PID=99488&B=

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-05d5ac
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/069137-2025
Current Stage
Planning
All Stages
Planning

Procurement Classification

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

Common Procurement Vocabulary (CPV)

CPV Divisions

31 - Electrical machinery, apparatus, equipment and consumables; lighting

45 - Construction work

CPV Codes

31000000 - Electrical machinery, apparatus, equipment and consumables; lighting

31210000 - Electrical apparatus for switching or protecting electrical circuits

45311200 - Electrical fitting work

45317300 - Electrical installation work of electrical distribution apparatus

Notice Value(s)

Tender Value
£450,000 £100K-£500K
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
28 Oct 20253 months ago
Submission Deadline
Not specified
Future Notice Date
21 Nov 2025Expired
Award Date
Not specified
Contract Period
1 Feb 2026 - 27 Mar 2026 1-6 months
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
Robert Franklin
Contact Email
robert.franklin@ukaea.uk
Contact Phone
+44 1235466915

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

Notice Documents

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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