Submarine cable project for power interconnection on Greek Islands

10th December 2018
Alex Lynn

The project of the Cyclades Islands Interconnection in Greece is aimed at ensuring the reliable, economic and sufficient supply of electricity to the Syros, Paros, Tinos, Mykonos and Naxos islands. As the phase ‘C’ of this three-phase complex project is taking place, ADMIE, has awarded Nexans with a new contract worth approximately €111m to deliver an interconnector between Lavrion on the mainland and the island of Syros. 

The Cyclades Islands Interconnection project is aimed at ensuring reliable electricity supply of Cyclades Islands, while addressing local environmental concerns. By interconnecting the Cyclades Islands, ADMIE seeks to reduce the number of the existing power stations operating on heavy fuel oil and light fuel oil (diesel) and create the necessary infrastructure for harnessing the significant renewable power potential in the region.

The complete turnkey contract awarded to Nexans within the phase ‘C’ of the project covers seabed survey, design, manufacturing, installation and protection of a 150kV HVAC three-core submarine power cable with an internal fibre optical element. The route extends to 108km with an expected maximum water depth of 300m. The submarine cables for the link will be produced by Nexans Norway in its Halden plant, while the fibre optical cable will be produced in Nexans Norway’s specialised factory in Rognan. The interconnector will be installed at water depths up to 300m by the advanced cable laying vessel Nexans Skagerrak.

“Nexans is proud to add the Interconnection of Cyclades Islands to the strong trackrecord of its subsea projects, building on over 60 years of the Group’s experience in submarine cable systems around the world,” said Vincent Dessale, Nexans Executive Vice President Subsea & Land Systems Business Group. “Being awarded this important project confirms Nexans’ role and expertise in developing the Mediterranean region’s power grids and particularly in deep water cable installation. Other projects implemented by Nexans in the Mediterranean regions include the Malta-Sicily Interconnector, the Italy-Montenegro Interconnector, the Spain-Mallorca Interconnector, the Nea Makri – Polipotamos (Evia-Attika) Interconnector and the Mallorca-Ibiza Interconnector just to mention a few recent ones.”

Delivery and commissioning of the Interconnection of Cyclades Islands are scheduled within August 2020.

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