Planning

SUPPLY CHAIN NOTICE - Central Substation RIBA4 & Build

MINISTRY OF DEFENCE

This public procurement record has 1 release in its history.

Planning

19 Mar 2026 at 14:38

Planned Procurement Notice
Summary of the contracting process

The Ministry of Defence is planning a procurement process for the construction of a Central Substation, with the project titled "SUPPLY CHAIN NOTICE - Central Substation RIBA4 & Build." This project falls under the substation construction work category within the industry classification scheme (CPV 45232220). Located in Portsmouth, South East England, this project is currently in the Planning stage with a planned procurement approach. Expressions of interest must be submitted by 27th March, following a future notice issued on 25th February, with the project expected to commence on 1st July 2026 and conclude by 1st July 2027. The total contract value is estimated at £1,300,000 GBP.

The opportunity presents significant business growth potential for small and medium-sized enterprises (SMEs) with expertise in substation construction, design, and commissioning. The procurement process includes distinct phases for design and build, adhering to RIBA stages 3 to 6. Businesses specialising in technical design and construction within the electrical infrastructure sector are well-suited to compete. The Ministry of Defence encourages SMEs to engage in this tender, providing a platform for innovation and expansion in infrastructure development. Interested parties should prepare to submit their expressions of interest promptly to avoid missing this opportunity.

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Notice Information

Notice Title

SUPPLY CHAIN NOTICE - Central Substation RIBA4 & Build

Notice Description

The overarching requirement of the project is to develop the RIBA Stage 3 Design into a complete RIBA Stage 4 Technical Design and subsequently build and commission the new Central Substation building (through RIBA Stage 5 and 6). This project is split into two principal Phases as outlined below - a Design Phase (1) and a Build Phase (2), each with their own corresponding Work Packages. In summary, this Project includes the following work packages: Project Phase 1 (Design) includes the following work packages: - WP 1: Survey and assessment work to facilitate the RIBA 4 design. - WP 2: RIBA 4 Technical Design incl. all temporary works designs. - WP 3: Undertake earthing design for Central Substation. Project Phase 2 (Build) includes the following work package: - WP 4: RIBA 5 and 6: Construct, Commission and Handover the works as designed in Phase 1. Installation of HV/LV Electrical switch panels and associated cabling shall not form part of this work, and will follow as a separate project once WP 4 is complete. Those that meet the criteria of this initial phase will be invited to participate in a final competition. Deadlines for expressions of interest are the 27th March. Any expressions received after this date will not be accepted.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-b5fd17-14189b2f-a65e-4cbd-84d2-05676a0751ca
Publication Source
Contracts Finder
Latest Notice
https://www.contractsfinder.service.gov.uk/Notice/550e2499-b437-4f0b-8773-b1f3cf975927
Current Stage
Planning
All Stages
Planning

Procurement Classification

Notice Type
Planned Procurement Notice
Procurement Type
Standard
Procurement Category
Not specified
Procurement Method
Not Specified
Procurement Method Details
Tender Suitability
SME
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

45 - Construction work

CPV Codes

45232220 - Substation construction work

Notice Value(s)

Tender Value
£1,300,000 £1M-£10M
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
19 Mar 20263 days ago
Submission Deadline
Not specified
Future Notice Date
25 Feb 2026Expired
Award Date
Not specified
Contract Period
30 Jun 2026 - 1 Jul 2027 1-2 years
Recurrence
Not specified

Notice Status

Tender Status
Planned
Lots Status
Not Specified
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
MINISTRY OF DEFENCE
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
PORTSMOUTH
Postcode
PO1 3LS
Post Town
Portsmouth
Country
England
Major Region (ITL 1)
TLJ South East (England)
Basic Region (ITL 2)
TLJ3 Hampshire and Isle of Wight
Small Region (ITL 3)
TLJ31 Portsmouth
Delivery Location
TLJ South East (England)
Local Authority
Portsmouth
Electoral Ward
Charles Dickens
Westminster Constituency
Portsmouth South

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

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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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