SPT - Strategic Agreement for Transmission Overhead Line Works
Estimated value
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Awarded value
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Suppliers
17
Lots
3
Published
22 Aug 2025
Description
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.
Scope
- Reference
- SPT-OHL-SA
- Commercial tool
- Standalone contract
- Contract dates
The duration of the Framework Agreement is an initial 5 years, but extendable up to a maximum of 10 years at SPT's option.
- Main category
- works
- CPV classifications
- 45231400
- Contract locations
- Scotland
Award criteria
Criteria the buyer will use to evaluate bids.
| Name | Description | Type | Weighting |
|---|---|---|---|
| Non-Commercial | 50% | quality | — |
| Commercial | 50% | cost | — |
Submission & procedure
- Procedure
- Negotiated procedure with prior call for competition
Award details· 3 awards
Awarded supplier(s), contract period and value as published in the award notice.
Awarded value
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Award date
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Contract start
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Contract end
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Lots · 3 total
Divisions of the contract. Each lot can be awarded separately.
| Lot | Title | Est. value | Status |
|---|---|---|---|
| 1 | Design & Construction of 400kV Overhead Lines with HTLS | £600.0m | cancelled |
| 2 | Design & Construction of 275kV and 400kV Overhead Lines | £1.9bn | cancelled |
| 3 | Design & Construction of 132kV Overhead Line Works | £525.0m | cancelled |