Wind Energy – The Netherlands
Seaway 7 has installed the first monopile foundation at Vattenfall’s 1500MW Hollandse Kust Zuid offshore wind farm off the coast of the Netherlands.
The marine contractor is transporting and installing the project’s 140 foundations and 315km of 66kV array cables.
Offshore installation will continue through 2021 and 2022.
The heaviest and largest monopile weighs 955 tonnes and is 75 metres long, while the lightest and shortest foundation still weighs 735 tonnes and is 62 metres long.
The monopiles will be installed in water depths varying from 17 to 28 metres.
The first subsidy-free offshore wind farm will be located approximately 18km off the coast of The Hague and Zandvoort (the Netherlands) , with the furthest turbines located 36km offshore.