An inter-array cable installation campaign has been completed at the Nordseecluster A offshore wind farm in Germany, where 48 cables were laid, buried, terminated and tested.
“Cables rarely attract as much attention as foundations, substations or turbines. However, this package – laying, burying, termination and testing – is one of the most coordination-intensive areas of any offshore wind farm: four vessels, more than 200 people, and parallel work taking place across the site every day.” Tobias Kettlesaid the Chief Technology Officer (CTO) of RWE Offshore Wind GmbH via social media.
Approximately 185 km of 66 kV aluminum and copper conductive cables, Provided by Hellenic Cables It was installed by DeepOcean, to connect the wind farm’s turbines to two offshore substations at the Nordseecluster A site, Which was completed installation earlier this year.
At the end of last year, Jan De Nul installed three subsea heating, ventilation and air conditioning (HVAC) cables supplied by Hellenic Cables Between TenneT’s offshore transfer station, DolWin kappa, and Nordseecluster sites 1 and 2 which house the Nordseecluster A offshore substations.
The first wind turbines were installed At the project site this month, the installation will be carried out by DEME’s Norse Wind vessel, capable of transporting and installing up to five turbine assemblies per cycle.
The 660 MW Nordseecluster A cluster will consist of 44 15 MW Vestas wind turbines, all of which are expected to be installed by the end of 2026. The offshore wind farm, the first phase of the 1.6 GW Nordseecluster A cluster development, is expected to be fully operational in early 2027.
The second phase, Nordseecluster B, will add another 900 MW of capacity, bringing the total project size to 1.6 GW. Foundation installation at the second site is scheduled to begin next year, followed by the installation of 60 15 MW Vestas turbines in 2028.
Nordseecluster B is expected to reach commercial operation in early 2029.
The 1.6 GW Nordseecluster is located approximately 50 kilometers north of Juist Island and is jointly owned by RWE (51%) and Norges Bank Investment Management (49%), with RWE responsible for construction and long-term operation across the full life cycle.
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