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SCOTTISH HYDRO ELECTRIC TRANSMISSION PLC

FW Services - Specialist Engineering Services 1030

Live tender · OpenNo deadline stated

Live: the notice is at tender stage.

01/ The notice

Key facts

Value
£55,000,000Estimated value stated in the notice
Deadline (UK time)
No deadline statedThe source does not state a submission deadline.
Published
22 Sep 2025
Region
Not stated

02/ The brief

What the notice says

Not fully read: this is the notice text; attached documents are not read.

SSEN Transmission is the licence holder for the transmission system in the north of Scotland. To meet the government’s target for renewable generation, and for the development of the existing infrastructure, significant work is being undertaken on the transmission system. This work includes the building and rebuilding of overhead lines, the development of grid substations, the construction of HVDC converter and cable systems, and the construction of FACTS devices. The projects and work being undertaken are in line with the NESO (National Electric System Operator) published Holistic Network Design (HND, Pathway to 2030 and Beyond 2030) reports. SSEN Transmission is responsible for delivering the complex technology and network solutions relating to any Scottish Island or network solutions with offshore assets. Particularly, any electricity system transmission infrastructure, either offshore or onshore, including HVDC, FACTs, AC networks, cable systems, and offshore installations

The purpose of establishing this Services Framework is to ensure SSEN Transmission has access to a range of specialist engineering services.

The Services will include but not be limited to engineering competencies related to engineering management, engineering drawings, plant/equipment/system specification, electrical design, civil design, offshore installation design, offshore works, construction-site support, installation support, commissioning support, consent related works, engineering compliance, risk management, risk analysis, and design assurance.

The Consultant will be able to provide support during all project stages including concept, option selection, FEED, detailed design, manufacturing, testing, construction, installation, and commissioning stages.

The Services will be Lotted.

Lot 1: HVDC & FACTS: Expertise in all aspects of HVDC and FACTS devices.

Lot 2 :Cable Systems: Expertise in HV Cable Systems, covering both AC and DC technology for land and submarine applications.

Lot 3; AC Networks: Expertise in all aspects of AC Networks.

Lot 4: Offshore and Subsea Services: Expertise in preparing requirements and specification documents to provide technical direction and governance for the design, delivery, operation, maintenance, and decommissioning of offshore substation installations.

03/ Classification

CPV codes

Common Procurement Vocabulary codes, exactly as the notice lists them. No descriptions are added here.

  • 71300000
  • 71356000
  • 71320000

04/ History

Releases of this notice

5 releases held, oldest first. Dates are UK time.

  1. 10 Jul 2025
    Planning notice

    Planning notice published 10 July 2025.

    Release 038970-2025

    View this release on Find a Tender (opens in a new tab)
  2. 27 Aug 2025
    Tender notice

    Tender notice published 27 August 2025. The source does not state what changed.

    Release 051536-2025

    View this release on Find a Tender (opens in a new tab)
  3. 27 Aug 2025
    Tender notice update

    Tender notice update published 27 August 2025. The notice text changed; the source gives no change note.

    Release 051616-2025

    View this release on Find a Tender (opens in a new tab)
  4. 27 Aug 2025
    Tender notice update

    Tender notice update published 27 August 2025. The source does not state what changed.

    Release 051623-2025

    View this release on Find a Tender (opens in a new tab)
  5. 22 Sep 2025
    Tender notice update

    Tender notice update published 22 September 2025. Stated change: Submission deadline extension to 02/10/25

    Release 058412-2025

    View this release on Find a Tender (opens in a new tab)

05/ Limits

What the source does not tell us

  • The source does not state a submission deadline.

06/ Questions

About this notice

SCOTTISH HYDRO ELECTRIC TRANSMISSION PLC published this notice.

Estimated value stated in the notice: £55,000,000.

07/ Tender hubs

More Scotland tenders like this

Pages that list the live notices in the same subject, buyer or place, with recent winners. Chosen by a fixed rule on the notice’s title, buyer and region.

08/ Related

Where to go next

These links follow a fixed rule applied to this notice’s buyer, text and CPV codes. They are not advice on whether to bid.

Reference
ocds-h6vhtk-055cfb
Source
Find a Tender
Stage
tender · Open
Framework
Yes, as recorded by the source
Last verified
Mon 6 Apr 2026, 21:28 BST
Read at
Thu 22 Oct 2026, 21:36 BST

Contains public sector information licensed under the Open Government Licence v3.0. Source data © Crown copyright.

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