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Monopiles installation completed at Deutsche Bucht offshore wind farm

first foundation installed at deutsche bucht offshore wind farm

Van Oord has completed the installation of the 31 monopiles at the Deutsche Bucht offshore wind farm.

The foundation, installed in a water depth of approximately 40m, is a monopile fitted with a transition piece. Installation started in September.

Of the total 33 wind turbines, 31 are monopiles and two will be mono buckets.The latter are being piloted and will be installed in the second quarter of 2019.

During the pile driving, Van Oord used its Fauna Guard system – an in-house developed acoustic device safely and temporarily deters marine fauna species by using special underwater acoustics.

In addition, a multi-level noise mitigation system was used during the installation of the monopiles, which includes a hydro sound damper and a double big bubble curtain.

The Deutsche Bucht offshore wind farm, located northwest of the island of Borkum in Germany, is being built by the Northland Deutsche Bucht project company.

Northland Deutsche Bucht project director Jens Poulsen said: “Installation work on the construction site, which is more than 100km off the coast, is a real challenge in the winter months. But thanks to the flexible and efficient work of our project team and our contract partners, we were able to install all foundations safely and on schedule.”

In 2017 Van Oord was awarded the Balance of Plant contract. The scope consists of the design engineering, procurement, construction and installation of the foundations, inter array cables and offshore substation, and the transport of the wind turbines.

When completed the offshore wind farm will have a grid connection capacity of approximately 269MW. That is sufficient to provide approximately 328,000 households with sustainable energy on an annual basis.

Commissioning of the Deutsche Bucht offshore wind farm is expected to take place in the second half of 2019.

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