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First 11 MW turbine stands at HKZ

By: James Bernthal-Hooker 19/04/2022 Cadeler A/S

General Turbines Windfarms

The first SG 11.0-200 DD wind turbine has been erected at the Hollandse Kust Zuild offshore wind farm in waters off the Netherlands. Siemens Gamesa installed this turbine, the first of 140, assisted by Cadeler A/S.

Over the weekend, Cadeler’s jack-up vessel Wind Osprey left the Maasvlakte port in Rotterdam, destined for the Hollandse Kust Zuid offshore wind farm. It was loaded with Siemens Gamesa 11 MW turbines, the largest commercial wind turbines yet to be installed.

With a 200-metre rotor diameter and a total height of 225 metres from sea level, the turbines were first serially manufactured for this project in January 2022.

Cadeler, which commented that it is “very excited to be the first to ever support the installation of turbines of this amazing size and capability”, is supporting Vattenfall with transportation, lifting, and installation of 140 of these turbines.

Siemens Gamesa claims that, compared to the predecessor model, the annual energy production of the SG 11.0-200 DD is increased by up to 40 percent. The turbines have an output of 11 MW and will be equipped with 97 m long rotor blades, resulting in a rotor diameter of 200 m and a swept area of 31,400 m². This corresponds to an area of more than four football fields.

Hollandse Kust Zuid is located between 18 and 36 kilometres off the Dutch coast, between the Hague and Zandvoort. It consists of two projects, HKZ 1&2 and HKZ 3&4. Once the wind farm is operational, the 140 wind turbines will produce more than 6 TWh of green electricity annually. Once fully operational, the wind farm will be the largest offshore wind farm in the Dutch waters with a total installed capacity of 1.5 GW. The project is expected to become fully operational in 2023.

For more information on offshore wind farms worldwide, click here.

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First 11 MW turbine stands at HKZ

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