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Delivering sustainable growth


Delivering sustainable growth


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Building for a sustainable future


Hellenic Cables S.A. is awarded an EPCI contract for the grid interconnection of the Western Offshore Sub Station of Gennaker Offshore Wind Farm in Baltic Sea, Germany.





Brussels, 24 August 2023


Cenergy Holdings announces that Hellenic Cables S.A., its cables segment subsidiary, was awarded a contract by 50Hertz Offshore GmbH for the turnkey delivery of two export cable systems for the interconnection to the German grid of the Western Offshore Sub Station of Gennaker, an offshore wind farm with capacity of approx. 927MW located in the German Baltic Sea, utilizing 220kV AC technology.  Gennaker will be one of the most powerful offshore wind farms in the Baltic Sea to date and thus, it will make an important contribution to the German government’s ambitious plans and targets for accelerating the energy transition.

Hellenic Cables S.A. scope of works includes the design, engineering, manufacturing, supply, installation, testing and commissioning of two export cable systems, which will connect a new onshore substation, located close to Gnewitz in Northern Germany, to the Western Offshore Sub Station of Gennaker Offshore Wind Farm in the Baltic Sea.  The two export cable systems will include 80 km of 220kV submarine and 210 km of 220kV underground cables as well as related accessories and they are expected to be installed and delivered in 2027.  The value of the contract is approx. EUR 450 million.

The submarine cables will be manufactured at the state-of-the-art manufacturing plant of Hellenic Cables S.A. in Corinth, Greece, and the underground cables will be manufactured at Hellenic Cables S.A. plant in Thiva, Greece.


About Cenergy Holdings

Cenergy Holdings is a Belgian holding company listed on both Euronext Brussels and Athens Stock Exchange, investing in leading industrial companies, focusing on the growing global demand of energy transfer, renewables and data transmission.  The Cenergy Holdings portfolio consists of Corinth Pipeworks S.A. and Hellenic Cables S.A., companies positioned at the forefront of their respective high growth sectors.  Hellenic Cables S.A. is one of the largest cable producers in Europe, manufacturing power and telecom cables as well as submarine cables.  Corinth Pipeworks is a world leader in steel pipe manufacturing for the energy sector and major producer of steel hollow sections for the construction sector.  For more information, please visit our website at