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RWE secures planning permission for Kaskasi

By: Tom Russell 18/12/2020 RWE

General Windfarms

RWE has secured planning permission for its 342 MW Kaskasi offshore wind farm off the coast of Germany from the German Federal Maritime and Hydrographic Agency (BSH).

This makes Kaskasi the first offshore wind farm in Germany to receive planning permission under the new wind at sea law, following a successful participation in the auction held under the interim system.

One component of the permit is pilot wind turbines, at which innovative technologies will be tested. The wind farm is set to go online in summer 2022. Once operational in Q4 2022, Kaskasi will be able to supply the equivalent of around 400,000 households per year with green electricity.

The decision to invest in the Kaskasi offshore wind farm, which will be built 35 kilometres north of the island of Heligoland, was made in early 2020. Suppliers for the main components have already been selected and some have already started fabrication. The wind farm will comprise 38 SG 8.0-167 DD wind turbines. Each turbine will have an installed capacity of up to 9 MW.

The wind turbines will be installed on monopile foundations. The offshore work is set to start in Q3 2021. RWE will use the “vibro pile driving” installation method, which is an alternative to the conventional method of hammering monopiles into the seabed. This installation method could reduce installation times and noise emissions during construction, according to RWE.

In addition, collars will be mounted at three selected foundations. The Collared Monopile was designed based on a patent developed by RWE and will be installed to improve the structural integrity of the entire foundation.

“We naturally have a special connection to our home market Germany. In the period from 2020 to the end of 2022, we will be investing around one billion euros net in expanding renewables in Germany. A large part of that will be allocated to our Kaskasi offshore wind farm. I’m delighted that the BSH has now given the green light by granting planning permission to build our sixth wind farm off the German coast," commented Sven Utermöhlen, Chief Operating Officer Wind Offshore Global at RWE Renewables

Kaskasi is RWE’s sixth wind farm off the German coast: The company operates the offshore wind farms Nordsee Ost (295 MW) and Amrumbank West (302 MW), also off the coast of Heligoland, as well as Arkona, which has an installed capacity of 385 MW (RWE share 50%) and is the largest offshore wind farm in the Baltic Sea. In addition, RWE holds shares in the wind farms Nordsee One and Alpha Ventus.

In addition to Kaskasi in Germany, the company is currently constructing the Triton Knoll offshore wind farm off the British coast, with an installed capacity of 857 MW (RWE share: 509 MW). This wind farm is set to start commercial operations in Q1 2022. Overall, the company has a development pipeline of offshore projects of over 7 GW– not including tenders the company is considering on top.

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

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RWE secures planning permission for Kaskasi

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