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CO Construction - UGC -LT000552 High Constellation 0727

Scottish Hydro Electric Transmission Plc

This public procurement record has 10 releases in its history.

Award

07 Aug 2026 at 12:13

Award Notice
Award

06 Aug 2026 at 09:29

Award Notice
Award

07 May 2026 at 13:05

Award Notice
Award

05 May 2026 at 14:49

Award Notice
Award

20 Apr 2026 at 15:59

Award Notice
Award

02 Apr 2026 at 15:43

Award Notice
Award

27 Mar 2026 at 15:24

Award Notice
Award

16 Feb 2026 at 16:46

Award Notice
Award

15 Jan 2026 at 11:38

Award Notice
Planning

21 Feb 2025 at 11:59

Planning Notice
Summary of the contracting process

Scottish Hydro Electric Transmission Plc procured construction and engineering services for the High Constellation Windfarm Connection project. The requirement covers initial design, engineering and pre-construction for approximately 5km of 132kV underground cabling, with an option for further design, procurement, engineering, construction, testing, commissioning and handover. The work is electricity power-line construction, including high-voltage cable and cable-laying installation. The recorded delivery location is Argyll. The wider procurement involved utility organisations and includes work supporting electricity networks, but this awarded requirement is specifically identified as the High Constellation 132kV underground cable connection project. The selected supplier is United Infrastructure Power T&D Limited, a large organisation based in Warrington.

The procurement is complete and the relevant award is active. The contract was awarded to United Infrastructure Power T&D Limited under a selective negotiated procedure with a prior call for competition. Evaluation for the relevant lot was price-only. The contract was signed on 27 July 2026 and is recorded as active. The procurement included three lots, but the published status for each lot is cancelled; the active award is separately associated with the High Constellation requirement. Written submissions were used, with English as the submission language. Qualification began with registration on the Utilities Vendor Database, followed by a pre-qualification questionnaire. Utility entities could use electronic auctions, and high-risk suppliers could be subject to an independent health, safety, environment and quality audit under the Verify scheme.

This award demonstrates demand for specialist electricity infrastructure delivery around high-voltage underground cable connections. A credible competitor would need experience in 132kV underground cabling and the ability to provide coordinated design, engineering and pre-construction services. Capability to manage procurement, construction, testing, commissioning and handover would also be relevant where the construction option is exercised. Suppliers should be able to work within utility pre-qualification processes, beginning with Utilities Vendor Database registration and completion of the associated questionnaire. For higher-risk activities, an organisation may need suitable health, safety, environmental and quality systems and be prepared for Verify audit requirements. The requirement suits contractors with utility-scale project management, cable installation expertise and the capacity to work with transmission network owners and their technical assurance arrangements.

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Notice Information

Notice Title

CO Construction - UGC -LT000552 High Constellation 0727

Notice Description

initial design, engineering and pre-construction associated with 132kV Underground Cabling works for the High Constellation Windfarm Connection project with Construction Works option to instruct further design, procurement, engineering, construction, testing and commissioning and handover works

Lot Information

Lot 1 - West

initial design, engineering and pre-construction associated with 132kV Underground Cabling works (c. 5km) for the High Constellation Windfarm Connection project with Construction Works option to instruct further design, procurement, engineering, construction, testing and commissioning and handover works Additional information: N/A

Options: Construction Works option to instruct further design, procurement, engineering, construction, testing and commissioning and handover works

Lot 2 - East

Lot 2 (East) covers East Midlands, East of England & North London Pipeline diversions typically larger than 24" in diameter and longer than 500m and including tunneling/HDD. Significant above ground installation works including new build, rebuild, capacity upgrades. The Capex Programme Delivery Framework has been established to provide design, planning, and construction services that support Cadent's Capital Expenditure programmes throughout the RIIO-3 period and potentially beyond. This Framework will play a key role in delivering investments that enhance, expand, and maintain the networks Cadent operates. It also supports the diversion or modification of existing assets, often in response to third-party requests driven by construction, infrastructure, and property development projects. The scope of work may include both primary and secondary construction, decommissioning, and the removal or disposal of redundant assets and associated infrastructure. Partners will also contribute to Cadent's asset management objectives through design optimisation and the integration of new technologies and equipment.

Options: 1+1

Lot 3 - Complex

The Capex Programme Delivery Framework has been established to provide design, planning, and construction services that support Cadent's Capital Expenditure programmes throughout the RIIO-3 period and potentially beyond. This Framework will play a key role in delivering investments that enhance, expand, and maintain the networks Cadent operates. It also supports the diversion or modification of existing assets, often in response to third-party requests driven by construction, infrastructure, and property development projects. The scope of work may include both primary and secondary construction, decommissioning, and the removal or disposal of redundant assets and associated infrastructure. Partners will also contribute to Cadent's asset management objectives through design optimisation and the integration of new technologies and equipment. Covering across all 5 of Cadent's Networks; Northwest, West Midlands, East Midlands, East of England & North London Pipeline diversions typically below 24" in diameter and less than 500m with no major tunneling requirements Upgrades and replacements of components or processes on above ground installation such as pre-heat.

Options: 1+1

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-04e63a
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/075255-2026
Current Stage
Award
All Stages
Planning, Tender, Award

Procurement Classification

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

Common Procurement Vocabulary (CPV)

CPV Divisions

31 - Electrical machinery, apparatus, equipment and consumables; lighting

45 - Construction work

CPV Codes

31321300 - High-voltage cable

45000000 - Construction work

45231400 - Construction work for electricity power lines

45314310 - Installation of cable laying

Notice Value(s)

Tender Value
Not specified
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
7 Aug 20262 weeks ago
Submission Deadline
Not specified
Future Notice Date
Not specified
Award Date
23 Oct 202510 months 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
Scottish Hydro Electric Transmission Plc
Additional Buyers

ACHILLES INFORMATION LIMITED

CADENT GAS LIMITED

SSE 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
ABINGDON
Postcode
PH1 3AQ
Postcode Area
Perth
Country
Scotland
Major Region (ITL 1)
TLM Scotland
Basic Region (ITL 2)
TLM0 Eastern Scotland
Small Region (ITL 3)
TLM02 Perth and Kinross, and Stirling
Delivery Location
TLC North East (England), TLD North West (England), TLE Yorkshire and The Humber, TLF East Midlands (England), TLG West Midlands (England), TLH East (England), TLI London, TLJ South East (England), TLK South West (England), TLM Scotland
Local Authority
Perth and Kinross
Electoral Ward
Perth City North
Westminster Constituency
Perth and Kinross-shire

Supplier Information

Number of Suppliers
1
Supplier Name

United Infrastructure Power T&D Limited

Further Information

Open Contracting Data Standard (OCDS)

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