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Adriatic Sea Interconnection

Hellenic Cables-Adriatic Sea Interconnection


Hellenic Cable’s responsibility included the design, manufacturing and supply of approximately 12 km of 110 kV XLPE insulated submarine cables, related accessories and supervision works.

Key Facts

End Client
Končar Group
Location of the Project
Submarine Cable Length
12 km
Completed in
Cable Type
110 kV
Hellenic Cables-Adriatic Sea Interconnection


HOPS, Croatian Transmission System Operator commissioned this strategic project in Croatia, which will secure the energy supply on the Adriatic islands while also making significant environmental contribution by reducing the environmental footprint of the Adriatic islands. 

Technical Information & Execution

Hellenic Cables, the cable segment of Cenergy Holdings, signed a contract with major Croatian contractor Končar Group for the supply of 12 Km 110 kV submarine cables, accessories and related services as part of a project by the Croatian Transmission System Operator for the replacement of existing outdated cable lines in the Adriatic Sea.

The cables were manufactured in Hellenic Cables’ state-of-the-art submarine cable production plant in Corinth, Greece, a world-class manufacturing facility for high and extra-high voltage submarine cables for offshore applications. 

The project was successfully completed.

Comments of our people involved

“We are very proud that together with Končar Group we are part of this key project in Croatia that is one more step towards the green energy transition of the country”.

– Alexis Alexiou, CEO of Hellenic Cables and Cenergy Holdings

Hellenic Cables-Adriatic Sea Interconnection
Submarine Cables