Open Tenderocds-h6vhtk-055cfb

FW Services - Specialist Engineering Services 1030

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...

Buyer

Scottish Hydro Electric Power Distribution plc

Value

£55,000,000

Published

22 Sept 2025

Closes

22 Sept 2025

Procurement details

Source

Find a Tender

Region

UKM77

Procurement method

Selective

Category

Services

Contract starts

Not provided

Contract ends

Not provided

CPV classifications

71300000

Engineering services

71320000

Engineering design services

71356000

Technical services

Lots

Lot 1 HVDC & FACTS

£55,000,000

Expertise for all aspects of HVDC & FACTS devices including but not limited to: (1) System design, (2) Network & system studies, (3) Earthing system design, (4) Station / Equipment layout design, (5) Plant & Equipment design / testing, (6) DC Control & Protection design and settings development, (7) DC Control & Protection system testing using PSCAD and RSCA...

Delivery: UK · United Kingdom

Lot 2 Cable Systems

£55,000,000

Expertise for HV Cable Systems: This scope pertains to AC and DC technology, for land and submarine applications. (1) Cable system design (i.e., thermal rating calculations using both analytical and finite element methods, induced voltages / currents, electro-magnetic fields, etc), (2) Cable routing design and risk assessment, (3) Installation design (i.e.,...

Delivery: UK · United Kingdom

Lot 3 AC Networks

£55,000,000

Expertise for all aspects of AC Networks including but not limited to: (1) Station design, (2) Earthing system design, (3) Plant & Equipment design / testingProtection & Control scheme design, (5) Protection & Control setting calculation including short-circuit modelling and calculations, (6) Protection & Control system testing, (7) Operator interfaces & SCA...

Delivery: UK · United Kingdom

Lot 4 Offshore and Subsea Services

£55,000,000

Expertise for all aspects of preparation of requirements & specification documents to provide technical direction and governance for design, delivery, operation, maintenance, and decommissioning of offshore substation installations including but not limited to: (1) Site selection and desktop studies for option selection stage, (2) Cable routing design and se...

Delivery: UK · United Kingdom

Tender notice on Find a Tender

27 Aug 2025

Tender notice on Find a Tender

Tender notice · UK4 · Web page

Tender notice on Find a Tender

27 Aug 2025

Tender notice on Find a Tender

Tender notice · UK4 · Web page

Tender notice on Find a Tender

27 Aug 2025

Tender notice on Find a Tender

Tender notice · UK4 · Web page

Tender notice on Find a Tender

22 Sept 2025

Tender notice on Find a Tender

Tender notice · UK4 · Web page

Pipeline notice on Find a Tender

10 Jul 2025

Pipeline notice on Find a Tender

Planned procurement notice · UK1 · Web page

Contains public sector information licensed under the Open Government Licence v3.0.