Find a Tender · Live tender
SCOTTISH HYDRO ELECTRIC TRANSMISSION PLC
FW Services - Specialist Engineering Services 1030
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.
- 10 Jul 2025Planning notice
Planning notice published 10 July 2025.
Release 038970-2025
View this release on Find a Tender (opens in a new tab) - 27 Aug 2025Tender 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) - 27 Aug 2025Tender 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) - 27 Aug 2025Tender 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) - 22 Sep 2025Tender 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
07/ Tender hubs
More Scotland tenders like this
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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
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