Find a Tender Service

100572 Walpole SGT4 Tertiary Connection

National Grid Electricity Transmission PLC

Awarded
works

This tender has closed

The submission deadline for this contract has passed. There may be more active works tenders from National Grid Electricity Transmission PLC, and hundreds more across the UK public sector.

Key details

Contracting authority
Region
London
Contract value
Not stated by buyer
Submissions closed
Not stated by buyer
Published
13 October 2026

Procurement

Contract period
26 October 2026 - 15 March 2028
1 year
Procedure type
Competitive flexible procedure
CPV classifications
  • 45232220 Substation construction work

What happened

National Grid Electricity Transmission PLC awarded this contract to OCU UTILITY SERVICES LIMITED worth £4,173,518 on 13 Oct 2026. The contract runs until 15 Mar 2028.

Description

The works comprise the completion of the remaining design & infrastructure works required for the Walpole SGT4 Tertiary Connection Project, including installation of a tertiary cable box on SGT4, a 13kV transformer, a 13kV disconnector and associated earthing switches, supporting structures, busbars and connectors, protection and control systems, substation control and ancillary systems, 13kV cable systems and terminations, LVAC and DC connections, testing and commissioning, interface commissioning with connection assets and the National Grid transmission system, and all associated civil engineering works.

Awarded supplier

Supplier
OCU UTILITY SERVICES LIMITED
Companies House: 02916906
Award value
£4,173,518
Award date
13 October 2026

Contact

Address
1 - 3 Strand, London, WC2N 5EH

Identifiers

Notice ID
096662-2026
OCID
ocds-h6vhtk-0786cb
Companies House
PPON
PHHJ-6513-BWZT

Explore related tenders

External ID: fts-ocds-h6vhtk-0786cb • Added 13 October 2026