100572 Walpole SGT4 Tertiary Connection
Details
- Supplier(s)
- O'Connor Utilities Ltd
- Value
- £4,173,518.32
- Duration
- 1 year
- Topic
- Substation construction work
- Published
- 13 October 2026
- Source
- uk:find_a_tender
Tender 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. ## Contract award Title: 100572 Walpole SGT4 Tertiary Connection
Timeline
- Completed: Award published13 October 2026Current notice
- Completed: Award date13 October 2026
- Next: Contract expiry date15 March 2028in 16 months
About the buyer
National Grid Electricity Transmission plc buys as a utilities organisation. Pre-tender notices appear ahead of larger tenders. A framework for SF6 leak repair across its substations has been announced. Universities can join an Innovation Academic Framework. An Innovation Qualified Utilities Dynamic Market has also been run. Support for its Bell 429 helicopter fleet has been tendered.
Over the past 5 years, most of National Grid Electricity Transmission plc's contract awards have been in construction work, research and development, and repair and maintenance.
Decision makers
Connect with the people behind this procurement.
| Contact name | Job title | Phone number | Work email |
|---|---|---|---|
| Head of Procurement | +44 •••• •••••• | ••••••••@national-grid-electricity-transmission-plc.gov | |
| Commercial Director | +44 •••• •••••• | ••••••••@national-grid-electricity-transmission-plc.gov | |
| Procurement Manager | +44 •••• •••••• | ••••••••@national-grid-electricity-transmission-plc.gov | |
| Category Lead | +44 •••• •••••• | ••••••••@national-grid-electricity-transmission-plc.gov | |
| Senior Buyer | +44 •••• •••••• | ••••••••@national-grid-electricity-transmission-plc.gov | |
| Contracts Manager | +44 •••• •••••• | ••••••••@national-grid-electricity-transmission-plc.gov |
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