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Shetland 2 HVDC Converter Technology

SCOTTISH HYDRO ELECTRIC TRANSMISSION PLC

This public procurement record has 5 releases in its history.

Award

10 Sep 2026 at 14:01

Award Notice
Award

29 May 2024 at 13:11

Award Notice
Award

29 May 2024 at 11:50

Award Notice
Award

05 Apr 2024 at 16:32

Award Notice
Tender

06 Oct 2022 at 14:30

Tender Notice
Summary of the contracting process

Scottish Hydro Electric Transmission PLC procured construction-related HVDC converter technology for the Shetland 2 HVDC Link. The requirement covers two 2GW High Voltage Direct Current Voltage Sourced Converter Stations. The scope includes HVDC system design and testing, procurement and installation of HVDC equipment, commissioning, civil requirement specifications, design deliverables for the civil interface, and sequencing with civil construction. Civil engineering and associated works are excluded. The procurement is associated with the Shetland 2 Link Project and delivery is in the United Kingdom. The buyer is an electricity transmission company based at Dunkeld Road, Perth. The opportunity concerns major electricity network infrastructure rather than general construction, with specialist converter-station technology forming the central requirement.

The procurement is complete and has resulted in four active awards linked to the requirement. These comprise a framework agreement for the Pathway to Net Zero HVDC Converter Programme of Works, followed by call-offs for Spittal to Peterhead, Western Isles, and Shetland to Blackhillock HVDC converter technology. The framework was signed on 13 March 2024; the Spittal to Peterhead and Western Isles call-offs were signed on 30 April 2024; and the Shetland to Blackhillock call-off was signed on 1 September 2026. The original route was a selective, negotiated procedure with prior call for competition, using electronic and written submissions in English. The original tender deadline was 7 November 2022. The procurement had one lot, which is recorded as cancelled, and the award records are active. No awarded monetary values or supplier names are published.

This procurement demonstrates demand from Scottish Hydro Electric Transmission PLC for suppliers able to deliver large-scale HVDC converter infrastructure within a wider net-zero transmission programme. Credible competitors would need specialist expertise in Voltage Sourced Converter technology, HVDC system design, testing, equipment procurement, installation and commissioning. They would also need to produce civil interface specifications and design deliverables, and coordinate the sequence of specialist electrical works with civil construction, while recognising that civil engineering itself was excluded from this requirement. The scale of two 2GW converter stations points to substantial technical, project-management and delivery capacity, including the ability to support complex, multi-site transmission projects. Experience working safely and reliably on electricity transmission infrastructure would be commercially relevant when comparable requirements return to market.

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Notice Information

Notice Title

Shetland 2 HVDC Converter Technology

Notice Description

Call off contract for two 2GW High Voltage Direct Current (HVDC) Voltage Sourced Converter Stations associated with the Shetland 2 HVDC Link

Lot Information

Lot 1

Call-off contract for two 2GW High Voltage Direct Current (HVDC) Voltage Sourced Converter Stations associated with the Shetland 2 Link Project. The Call-off will include HVDC system design and testing, Procurement and installation of HVDC equipment, Commissioning of HVDC system, Civil requirement specification and Design deliverables to allow civil interface design to be completed, and sequencing of works as required to align with civil Construction. The event excludes civil engineering and associated works.

Options: 2No. optional projects comprising 2No. VSCs and DC Switching Station at 525kV. In addition to the above defined projects, this procurement event will also allow, as a further option, for the delivery of any currently undefined projects which support a network for net zero targets. At SHET's sole discretion the installation of the High Voltage equipment and HVAC Cable system between HVDC Converter and AC Substations which may be excluded at any time.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-03737c
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/085910-2026
Current Stage
Award
All Stages
Tender, Award

Procurement Classification

Notice Type
Award 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
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

45 - Construction work

CPV Codes

45000000 - Construction work

Notice Value(s)

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

Notice Dates

Publication Date
10 Sep 20261 months ago
Submission Deadline
7 Nov 2022Expired
Future Notice Date
Not specified
Award Date
Not specified
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
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
PERTH
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
Not specified
Local Authority
Perth and Kinross
Electoral Ward
Perth City North
Westminster Constituency
Perth and Kinross-shire

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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