SPT - Strategic Agreement for Transmission Overhead Line Works

Published facts

What the notice says

Buyer

SP TRANSMISSION PLC

Published status

complete

Latest release reference

050887-2025

CPV codes

Common Procurement Vocabulary (CPV) codes: 45231400

Published tags

award, contract

Latest record Bidwake loaded from this source

27 Aug 2026

SPT has appointed partners with the capacity and capability to deliver its strategic infrastructure priorities through a strategic collaborative delivery model. The agreement comprises three (3) Lots: - • Lot 1 is for 400kV Overhead Line Works involving a HTLS (High Temperature Low Sag) conductor system • Lot 2 is for 275kV and 400kV Overhead Line Works • Lot 3 is for 132kV Overhead Line Works The partners appointed to the agreement may be allocated projects and they will provide engineering and design, procure any materials and equipment, and carry out the construction works as per the agreed design with SPT. The contractual arrangements comprise a main Framework Agreement regulating the rights and obligations of SPT and the partners, with call-off contracts for individual packages using the NEC4 family of contracts. There is no guarantee, express or implied, that the appointed partners under the Framework Agreement will receive any, or a particular volume or value of work.

Open the official Find a Tender notice

Observed notice trail

How the published record developed

Events follow the publisher date where one is available. “Seen by Bidwake” is the date this service first found the record.

1. Award notice observed

   22 Aug 2025

   Latest variant observed by Bidwake on 16 Jul 2026.

   Open this official Find a Tender notice

   Record references

   Release reference

   050887-2025

   Published tags

   award, contract

Awards and suppliers

Published award and contract facts

• Design & Construction of 400kV Overhead Lines with HTLS

  Buyer: SP TRANSMISSION PLCSupplier: Balfour Beatty Utility Solutions

  End date in notice

  Date not published

  Value shown in notice

  £600,000,000Value from the linked contract

  Official source

  Open the official Find a Tender notice for Design & Construction of 400kV Overhead Lines with HTLS

  About this figure

  • This award names more than one supplier but does not divide the published value between them. The figure is shown for context and is not assigned to one supplier.
  • This figure comes from the linked contract record. Overall totals continue to use the separately published award value.

  View record references

  Source

  Find a Tender

  Award or lot reference

  050887-2025-1

• Design & Construction of 400kV Overhead Lines with HTLS

  Buyer: SP TRANSMISSION PLCSupplier: M GROUP ENERGY (NETWORK INFRASTRUCTURE) LIMITED

Related evidence

Published terms and linked processes

• Options are statedLot 1

  The duration of the Framework Agreement is 5 years, but extendable up to 10 years (in aggregate) at SPT's option. The duration of call-off contracts for specific packages may extend beyond the end of the overarching Framework Agreement.

  Published 22 Aug 2025.Open supporting notice 050887-2025
• Options are statedLot 2

  The duration of the Framework Agreement is 5 years, but extendable up to 10 years (in aggregate) at SPT's option. The duration of call-off contracts for specific packages may extend beyond the end of the overarching Framework Agreement.

  Published 22 Aug 2025.Open supporting notice 050887-2025
• Options are statedLot 3

  The duration of the Framework Agreement is 5 years, but extendable up to 10 years (in aggregate) at SPT's option. The duration of call-off contracts for specific packages may extend beyond the end of the overarching Framework Agreement.

  Published 22 Aug 2025.Open supporting notice 050887-2025

No exact source-published process relationship was found.