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SPT - Strategic Agreement for Transmission Overhead Line Works

SP TRANSMISSION PLC

This public procurement record has 2 releases in its history.

Award

22 Aug 2025 at 13:35

Award Notice
Tender

21 Dec 2023 at 16:46

Tender Notice
Summary of the contracting process

SP TRANSMISSION PLC, based in Glasgow, United Kingdom, has recently awarded contracts as part of their Strategic Agreement for Transmission Overhead Line Works. This procurement process, classified under the industry category of construction work for electricity power lines, involves major strategic projects. As of 22 August 2025, the process has reached the award stage with active contracts for three lots including 400kV, 275kV and 132kV Overhead Line Works. While the framework agreement for the project started with tenders closing on 31 January 2024, the signed contracts became active on 2 December 2024. Valued at approximately £3 billion, the projects under this agreement aim to support SP Transmission's Holistic Network Design (HND) objectives, with anticipated project activities focused on central and southern Scotland. The lengthy potential framework duration, extendable up to 10 years, caters to the long-term strategic goals, including alignment with net-zero ambitions by 2050.

This tender offers significant business growth opportunities, especially for companies in the construction and energy sectors equipped to handle high-voltage transmission infrastructure projects. Large and established firms like Balfour Beatty Utility Solutions Limited and Morgan Sindall Construction & Infrastructure Ltd have already been awarded contracts, reflecting the scale and capacity required. However, smaller companies, specifically those with specialised capabilities in high voltage systems and infrastructure improvements, might find opportunities in subcontracting roles or by aligning with major suppliers. The adoption of a strategic collaborative delivery model promises robust potential for partnerships, innovation, and skills development within the industry, making it a lucrative possibility for businesses aiming to enhance their market presence in energy infrastructure delivery.

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Notice Information

Notice Title

SPT - Strategic Agreement for Transmission Overhead Line Works

Notice 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.

Lot Information

Design & Construction of 400kV Overhead Lines with HTLS

Please refer to the contract notice that was published on 21 December 2023 with notice reference 2023/S 000-037752 (the Contract Notice).

Options: 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.

Renewal: The duration of the Framework Agreement is an initial 5 years, but extendable up to a maximum of 10 years at SPT's option.

Design & Construction of 275kV and 400kV Overhead Lines

Please refer to the contract notice that was published on 21 December 2023 with notice reference 2023/S 000-037752 (the Contract Notice)

Options: 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.

Renewal: The duration of the Framework Agreement is an initial 5 years, but extendable up to a maximum of 10 years at SPT's option.

Design & Construction of 132kV Overhead Line Works

Please refer to the contract notice that was published on 21 December 2023 with notice reference 2023/S 000-037752 (the Contract Notice).

Options: 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.

Renewal: The duration of the Framework Agreement is an initial 5 years, but extendable up to a maximum of 10 years at SPT's option.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-04295b
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/050887-2025
Current Stage
Award
All Stages
Tender, Award

Procurement Classification

Notice Type
Tender Notice
Procurement Type
Framework
Procurement Category
Works
Procurement Method
Selective
Procurement Method Details
Negotiated procedure with prior call for competition
Tender Suitability
Not specified
Awardee Scale
Large, SME

Common Procurement Vocabulary (CPV)

CPV Divisions

45 - Construction work

CPV Codes

45231400 - Construction work for electricity power lines

Notice Value(s)

Tender Value
£3,000,000,000 £1B-£10B
Lots Value
£3,000,000,000 £1B-£10B
Awards Value
Not specified
Contracts Value
£3,000,000,000 £1B-£10B

Notice Dates

Publication Date
22 Aug 20251 years ago
Submission Deadline
31 Jan 2024Expired
Future Notice Date
Not specified
Award Date
2 Dec 20241 years ago
Contract Period
Not specified - Not specified
Recurrence
Not specified

Notice Status

Tender Status
Complete
Lots Status
Cancelled
Awards Status
Active
Contracts Status
Active

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
SP TRANSMISSION PLC
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
GLASGOW
Postcode
G2 5AD
Postcode Area
Glasgow
Country
Scotland
Major Region (ITL 1)
TLM Scotland
Basic Region (ITL 2)
TLM3 West Central Scotland
Small Region (ITL 3)
TLM32 Glasgow City
Delivery Location
TLM Scotland
Local Authority
Glasgow City
Electoral Ward
Anderston/City/Yorkhill
Westminster Constituency
Glasgow North

Supplier Information

Number of Suppliers
8
Supplier Names

Aureos Energy Limited

Balfour Beatty Utility Solutions Limited

Cobra Instalaciones y Servicios SA

M Group Energy (Network Infrastructure) Limited

Morgan Sindall Construction & Infrastructure Ltd

Painhas S.A.

Power Lines, Pipes and Cables Limited

Wood Transmission And Distribution Limited

Further Information

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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