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Transmission system operator (TSO) Amprion has received the planning approval decision for the 900-MW DolWin4 offshore wind grid connection that will transport electricity from wind parks in the German North Sea to the land.
The approval was granted for the DolWin delta converter platform and a 26-km (16.16 miles) long submarine cable system in the exclusive economic zone (EEZ).
After receiving the planning approval decision, Amprion has to go through a multi-stage approval process by the Federal Maritime and Hydrographic Agency (BSH) to be able to start construction work. Project manager Jan Wiemer commented: “We can now concentrate on the BSH approvals. What makes me particularly proud is that it is the first planning approval decision for Amprion in the exclusive economic zone.”
In addition to the DolWin4, Amprion will implement also the 900-MW BorWin4 offshore grid connection project. Both power lines will run largely in parallel and are scheduled to go into operation in 2028. DolWin4 will span about 215 km, with about 60 km of submarine cables passing beneath the island of Norderney. In the case of BorWin4, the total route extends to about 280 km, with roughly 125 km submerged at sea. The land segments for both DolWin4 and BorWin4 are intended to be implemented as underground direct current cables, reaching the substation in Lingen where Amprion will integrate them into its transmission network.
Image by Amprion
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