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Crete-Peloponnes interconnector completed

By: Tom Russell 25/05/2021 Hellenic Cables

General Interconnectors

Hellenic Cables, the cable segment of Cenergy Holdings, and Greece's Independent Power Transmission Operator (IPTO) have announced the electrification of the 178 km-long submarine and underground electrical interconnection between Crete and the Peloponnes, southern Greece.

The project includes the turnkey design, supply and installation of a 150kV composite submarine and underground cable system for the interconnection of Crete, Greece’s larger island, with the mainland power supply grid. This first subsea interconnection of Crete to the mainland is also the longest cable HVAC interconnection worldwide (approx. 178 Km) and the deepest one. The laying of the submarine cables was at water depths up to 1,000 m.

Installed to the a water depth of 1,000m, Hellenic Cables addressed the challenges posed by the highly diversified submarine environment and seabed conditions, comprising of high and steep seabed slopes, sharp rocky outcrops and pockmarks at multiple locations. Moreover, three different types of cable protection systems were custom-designed in terms of water depth, geomorphology and geohazards along the length of 135km.

Mr. Alexios Alexiou, CEO of Cenergy Holdings and Hellenic Cables, commented: “We are proud that IPTO trusted us once again and especially in such an important and demanding project as the interconnection of Crete - Peloponnese. Hellenic Cables through the adoption of innovative solutions managed to overcome the challenges of Aegean Sea and to prove its strong commitment and reliability in the execution of demanding turnkey projects.”

Mr. Manos Manousakis, Chairman & CEO of IPTO, stated: “Crete-Peloponnese electrical interconnection is the capstone of the collective effort put both by the people of IPTO and our vendors. Hellenic Cables is an established partner of IPTO in implementing our ambitious subsea interconnections program in the Aegean Sea. The future of energy transition in Greece passes through the sea and, with this project, IPTO proves that owns the know-how necessary to meet the most demanding electrical interconnection projects to be implemented in the country in the years to come”.

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Crete-Peloponnes interconnector completed

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