Nexans has agreed to supply a 420km, Mass-Impregnated (MI) 110kV cable system for the Corinth-Kos high-voltage direct current (HVDC) interconnection project in Greece.
The company signed a subcontract with Hellenic Cables, which is working in consortium with Asso.subsea on the development.
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Awarded to Hellenic Cables by the Greece’s Independent Power Transmission Operator (IPTO), the wider scheme aims to strengthen links between the Greek mainland and the Dodecanese islands.
The Corinth-Kos HVDC project is set to include approximately 1,260km of subsea cable and 30km of land cable, and will have a 1GW, 320kV transmission capacity.
The infrastructure is expected to play a role in supporting Greece’s electricity system and contributing to the country’s energy transition objectives.
Nexans’ scope of work focuses on delivering the 110kV cable system, identified as a key component ensuring the safe and reliable operation of the interconnection.
Production activities related to the MI cable have already begun on Nexans’ manufacturing lines. Alongside this, a seabed survey is underway.
The company expects these production facilities to be engaged from the end of 2026 through 2027 and up to mid-2028.
Nexans PWR-Transmission executive vice-president Pascal Radue said: “This project reflects the growing need for high-voltage transmission infrastructure to connect regions, strengthen power networks and support electrification.
“We are proud to contribute our expertise to this landmark interconnection project that will play an important role in Greece’s electricity infrastructure.
“The contract also supports significant activity across our manufacturing operations and further reinforces Nexans’ leadership in the high-voltage transmission market.”
The Corinth-Kos HVDC project is the part of the Dodecanese Interconnection project.
The completed Dodecanese interconnection is designed to link the islands of Kos, Rhodes and Karpathos to the Hellenic Electricity Transmission System.
Plans include the construction of one overhead transmission line in Corinth, converter stations in Corinth and Kos, two HVDC submarine cables and a dedicated metallic return cable from Corinth to Kos, as well as fibre optic submarine cables connecting Kos with Naxos and Syros.
