October 22, 2021

Credit: Ørsted

Credit: Ørsted

Offshore wind farm development giant Ørsted has completed the installation of the Hornsea Two wind farm offshore substation and all 165 wind turbine foundations in the North Sea, 89 km off the Yorkshire coast. 

Dutch offshore installation contractor Heerema Marine Contractors was responsible for the substation installation. It used its giant crane vessel Sleipnir for the operation. According to Ørsted,  the Hornsea offshore substation is the world’s largest AC offshore substation weighing around 8,000 tonnes.

The 1.3GW+ Hornsea Two wind farm will be the Danish company’s 13th offshore wind farm in the UK and once it’s operational in 2022, Ørsted we’ll be supplying over 7% of Britain’s electricity.

“The project is now ready for the final third of wind turbines that are yet to be installed,” Ørsted said Friday.

The wind farm will feature 165 8MW wind turbines supplied by Siemens Gamesa Renewable Energy. The turbines have a rotor 167 meters in diameter, with the blades 81.5 meters long.

Once commissioned in early 2022, Hornsea Two will provide electricity for about 1.3 million British homes. 

In a social media statement released after the installation of the Hornsea Two wind farm substation, Ørsted CEO Mads Nipper said: “Our hard-working team and partner Heerema have just mounted what I believe is the world’s largest offshore substation in what I know will be the world’s largest offshore wind farm, Hornsea 2 in the UK.

“Soon, 165 turbines will spin, and constitute another big step in the decarbonization of power production in the world’s largest offshore wind market.”


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