Offshore

RWE Completes Foundation Installation at Nordseecluster A

RWE has completed installing all 44 monopile foundations for the 660 MW Nordseecluster A offshore wind farm in the German North Sea, a major construction milestone in the 1.6 GW Nordseecluster project jointly developed with Norges Bank Investment Management.

Photo source: RWE

7, November 2025
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RWE has finished installing all 44 monopile foundations for its 660 MW Nordseecluster A offshore wind project in the German North Sea, a key milestone in developing the 1.6 GW Nordseecluster. Each foundation is about 85 metres long and weighs 1,500 tonnes.

The monopiles were stored at Eemshaven in the Netherlands before being transported and installed offshore by Van Oord’s vessels Boreas and Aeolus. Extended monopiles with offshore-fitted secondary steel reduced the total steel required.

One of two offshore substation foundations is already installed, with the second planned before year-end. Around 70 km of inter-array cables will be laid early next year, and turbine installation is scheduled for summer 2026.

Featuring 44 Vestas V236-15.0 MW turbines, Nordseecluster A is due online in 2027, followed by the 900 MW Nordseecluster B in 2029. Together, the two sites will supply renewable electricity to about 1.6 million German homes.

Nordseecluster is a joint venture between RWE (51%) and Norges Bank Investment Management (49%), with RWE responsible for construction and operation.

Tags: German North Sea, Nordseecluster, Norges Bank Investment Management, offshore wind, renewable energy, RWE, Van Oord, Vestas

Editorial Note:
This article was prepared with the assistance of AI tools to enhance clarity and efficiency.
All information has been reviewed and verified by the HMT News editor.

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