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Sustainable energy for the German grid

  • 31 wind turbines
  • Grid connection capacity of close to 252 MW
  • Providing enough sustainable energy to meet the needs of approximately 300,000 households on an annual basis
  • More than 100 kilometres northwest of the coast, North Sea, Exclusive Economic Zone Germany

With the Deutsche Bucht offshore wind farm delivering power to the German grid, Van Oord successfully completed the construction of another offshore wind project. The wind turbines used to generate the power are one of the most powerful offshore turbines currently available. The offshore wind farm provides approximately 300,000 households with sustainable energy on an annual basis. 

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Challenging conditions

Installation work on the construction site was a challenge in the winter months due to harsh weather conditions and high waves. Van Oord was up for this challenge. Being in control, the project team installed all foundations, consisting of a monopile and transition piece, in water depths of approximately 40 metres within the planned timeframe. The 4,500 tonnes offshore substation was transported to the project site in two sections. After installing the jacket foundation on the seabed, the 19-metre-high topside was mounted on top of it.  


During the pile-driving activities, Van Oord deployed its innovative FaunaGuard system. This in-house developed acoustic device safely and temporarily deters marine fauna species by using special underwater acoustics. To further minimise the impact on the environment and marine fauna, a multi-level noise mitigation system was used during the installation of the monopiles. The system included a Hydro Sound Damper (HSD) and a double Big Bubble Curtain.

Following the Gemini project, the Deutsche Bucht project is another example of excellent cooperation between Northland Power and Van Oord. We both share the ambition to contribute to the further development of offshore wind as a reliable energy source.

Arnoud Kuis, Managing Director Van Oord Offshore Wind
Arnoud Kuis, Managing Director Van Oord Offshore Wind

Specialised offshore wind equipment

Cable laying vessel Nexus installed a smart web of inter array cables, designed to guarantee reliable and safe transmission of the generated energy. To protect the cables, trencher Dig-It buried the previously laid cables to the required depth of up to 1.5 metres below the seabed. While installing cables, offshore installation vessel Aeolus was deployed for the transport and installation of the 8.4-megawatt wind turbines.

About the project

The Deutsche Bucht offshore wind farm, owned by Northland Power, is located approximately 95 kilometres northwest of the North Sea island Borkum, more than 100 kilometres off the coast. As the balance of plant contractor for the project, Van Oord was responsible for the design, engineering, procurement, construction and installation of the foundations, inter array cables and offshore substation, as well as the transport of the wind turbines.

Additional information

  • Start date
    7 June 2017
  • End date
    end of 2019
  • Location
    North Sea, Germany
  • Business Unit
    Offshore Wind
  • Client
    Northland Power