DEME’s Innovation Completes Foundation Installation Works at Dogger Bank A, Seaway Strashnov to Take Over

DEME’s installation vessel Innovation has completed the initial campaign to install eleven monopile foundations at Dogger Bank A, the first of three 1.2 GW phases that comprise Dogger Bank Wind Farm, and now pre-mobilisation is underway for Seaway Strashnov to continue with the construction work on the offshore wind farm site.

The first turbine foundation was installed in late July at the site located around 131 kilometres off the coast of Yorkshire.

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Innovation transported the foundations in sets of three from the Sif Maasvlakte facility in the Port of Rotterdam, the Netherlands.

With DEME’s vessel completing its campaign, Seaway 7’s Seaway Strashnov will now continue with the installation of the foundations which is planned to begin on 26 September and will run until approximately the third quarter of 2023.

Seaway 7 was awarded the tier one contract for foundation installation on all three phases of Dogger Bank Wind Farm.

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The turbine foundations are designed by Wood Thilsted and have been optimised to handle challenging wave loads in the Dogger Bank area of the North Sea. The units are placed in water depths of up to 32 metres and provide a solid stable base for the scale of the GE Renewable Energy’s Haliade-X turbines, whose installation will commence in Spring 2023.

Over the three-year installation programme for the three phases of Dogger Bank Wind Farm, a total of 277 monopiles and transition pieces will be loaded onto installation vessels in Rotterdam ahead of transfer out to the offshore wind farm site deep into the North Sea.

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The 3.6 GW Dogger Bank is a joint venture between SSE Renewables (40 per cent), Equinor (40 per cent) and Eni Plenitude (20 per cent).

SSE Renewables is lead operator for the development and construction of Dogger Bank Wind Farm, while Equinor will be lead operator of the wind farm on completion for its expected operational life of around 35 years.

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Photo: SSE