Germany Gives Thumbs Up to 50Hertz 300 MW Offshore Grid Connection Project

Planning & Permitting

January 8, 2024, by Adnan Memija

Germany’s Federal Maritime and Hydrographic Agency (BHS) has issued a planning approval decision for 50Hertz’s Ostwind 3 offshore wind grid connection in the Baltic Sea.

According to BHS, the new standard for connecting offshore wind farms, the so-called 66 kV direct connection concept, is being implemented, that does not require the construction of additional substation platforms within the offshore sites.

The German transmission system operator (TSO) 50Hertz plans to install the Jasmund substation platform located about 42 kilometres northeast of Rügen. The total length of the submarine cable system will be approximately 100 kilometres.

The offshore substation will be delivered by the Dutch-Belgian joint venture (JV) comprising HSM Offshore Energy, Smulders, and Iv-Offshore & Energy.

Ostwind 3 is the grid connection project of the Windanker offshore wind farm. From there on out, a capacity of 300 MW will be transported. The project is scheduled to be put into operation by autumn 2026.

Windanker is located in the area Westlich Adlergrund, north of the operating wind farms Wikinger and Arkona which are connected to 50Hertz’s operational grid connection system, Ostwind 1.

The wind farm is being developed by the Spanish energy company Iberdrola.

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Recently, BHS issued another planning approval decision for Amprion Offshore’s 900 MW DolWin4 offshore grid connection in the North Sea.

The subject of the application for DolWin4 with the BSH was the DolWin delta converter platform and the approximately 26-kilometre-long submarine cable system, for which Amprion has already selected the suppliers.