Ballast Nedam & Walney Sign Offshore Wind Deal

Ballast Nedam Offshore has signed a contract with Walney (UK) Offshore Windfarms Ltd., a joint venture between DONG Energy and Scottish and Southern Energy, to install 51 foundations for offshore wind turbines as part of the Walney II project. A Letter of Intent (LOI) to this effect was signed in December 2009.

The project is located in the Irish Sea, 20 kilometers off the west coast of England near Barrow-in-Furness. The 51 turbines each have a capacity of 3.6 MW, resulting in a total capacity of 183.6 MW. Ballast Nedam Offshore will install the tubular steel piles which form part of the foundations. These monopiles weigh between 800 and 1000 tons each, which makes them the heaviest monopiles ever used as the foundation for an offshore wind turbine

The construction of Walney II represents a milestone for the Svanen, the vessel that will install the monopiles. Not long after the project gets under way, the vessel will place its 250th foundation for offshore wind turbines. The Svanen is currently installing 90 foundations for the Sheringham Shoal Offshore Wind Park in the United Kingdom, which lies between 17 and 23 kilometers off the coast of Sheringham.

In addition, Ballast Nedam Offshore is using another vessel to install 22 foundations for the Baltic I wind park. German energy company EnBW is the commissioning party for Baltic I, one of Germany’s first commercial offshore wind parks.

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