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Turnkey delivery of three HVAC offshore grid connection cables

Tuesday, July 4 2023

Wind Energy – Manufacturing and Installation

Jan De Nul Group, in partnership with Hellenic Cables, has been awarded the turnkey delivery of three HVAC offshore grid connection cables for the offshore wind farms to be developed in zones N-3.7 & N-3.8 in Germany.

The cables will connect the wind farms to the DolWin kappa convertor station, from which HVDC cables transfer the produced energy to shore.

The turnkey contract, awarded by TenneT, with delivery foreseen in 2026, consists of three 155 kV HVAC grid connection cables. A single cable is installed between zone N-3.7 and the DolWin kappa convertor covering a length of 16.5 km. The N-3.8 zone on the other hand, will be connected to the convertor station by two cables, each with a length of approximately 10 km.

Hellenic Cables will design and manufacture all cables, after which Jan De Nul will perform the transportation, laying, and protection works.

Wouter Vermeersch, Manager Offshore Cables at Jan De Nul Group: “The project has a large similarity with the export cable projects Trianel Windpark Borkum II and Borkum Riffgrund II that Jan De Nul and Hellenic have delivered to TenneT back in 2018. Following the recent completion of the export cable installation scope for TenneT’s Hollandse Kust Noord and West Alpha projects and TenneT’s recent award to Jan De Nul of a German 525 kV cable system portfolio, we look forward to yet another successful collaboration.”

Related posts:

  1. Successful installation of Formosa 2 export cables
  2. Hellenic Cables awards cable protection supply contracts
  3. Brand new Voltaire on her way to Dogger Bank
  4. Installation remaining section of second TenneT sea cable HKW

Filed Under: DolWin, Grid connection, Hellenic Cables, HVAC, International News, Jan de Nul Tagged With: DolWin, Hellenic Cables, HVAC, Jan de Nul, Offshore grid connection


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