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NKT and SSEN Transmission Finalize €2 Billion Contracts for Two 525 kV HVDC Links

The turnkey award advances SSEN Transmission’s Pathway to 2030 program to ease grid constraints in northern Scotland.

Overview

  • The contracts cover full turnkey delivery, including design, manufacturing, and onshore and offshore installation of the cable systems for the Western Isles and SpittalPeterhead links.
  • Western Isles will run roughly 170 kilometers with 1.8 GW capacity and SpittalPeterhead about 210 kilometers with 2.0 GW, both using 525 kV technology.
  • SSEN Transmission describes the combined award as the largest in the company’s history.
  • Both links are slated for commissioning in 2030, with a recent marine licence variation enabling the Western Isles capacity increase.
  • NKT says the value is higher than 2023 estimates due to increased raw material costs and confirmed installation scope, and it plans UK job creation and partnerships with domestic suppliers.