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Home/Grid/Grid developement/Offshore projects/Ostwind 2

Ostwind 2

Ostwind 2 is the project to connect the Baltic Sea wind farms Arcadis Ost 1 and Baltic Eagle to the German extra-high voltage transmission grid. Arcadis Ost 1, the wind farm of the Belgian company Parkwind, is located in the cluster Westlich Arkonasee. Baltic Eagle, the project of the Spanish energy company Iberdrola, is located in the cluster Arkonasee. Together, the two wind farms are to generate an output of approximately 725 megawatts (MW). 50Hertz plans to build three submarine cable systems to deliver this power. These 220 kV AC voltage cables can transmit a total of 750 MW of power. The connection to the German extra-high voltage transmission network takes place at the grid connection point in the substation Lubmin (Mecklenburg-Vorpommern).

The clusters Arkonasee and Westlich Arkonasee have been designated as special areas of wind power for the construction of wind turbines. Together they cover an area of approx. 106 square kilometres and are located in the German Exclusive Economic Zone (Arkonasee) as well as in the 12-mile zone (Westlich Arkonasee) of the Baltic Sea. To the nearest coast of Ruegen it is about 20 kilometres (Arcadis Ost 1) and 30 kilometres (Baltic Eagle), to Lubmin on Greifswalder Bodden about 90 kilometres.

The Project Ostwind 2

Permits have already been granted for the Ostwind 2 project for the land route, for the 12 mile zone (12 sm zone) of Mecklenburg-Vorpommern and for a section of approx. 5 km in the Exclusive Economic Zone (EEZ). On 9 March 2015, 50Hertz had the plan approval decision for the Landtrasse and on 10 July 2015 the plan approval decision for the sea route in the 12 mile zone (12 sm zone) of the Ministry of Energy, Infrastructure and Digitization of Mecklenburg-Vorpommern, the competent licensing authority for these sections, received. The planning approval decision according to the Seeanlagenverordnung for the Seetrasse up to the so-called bundling point in the EEZ was given to 50Hertz by the responsible Federal Maritime and Hydrographic Agency on August 13, 2015. Within the scope of the following procedures, the licenses for the cable trays from the bundling point to the transformer platforms of the wind farms Arcadis Ost 1 in the 12 sm zone and Baltic.

Grid connection
Location of the Clusters Westlich Arkonasee /Arkonaseeapprox. 20 km / 30 km to north-east of Rügen
Route length (total)approx. 90 km
Cable length off/onshoreapprox. 95 km / approx. 3 km
Onshore connection pointLubmin substation
Cable operator50Hertz Transmission GmbH
Status of the approval proceduresOnshore – approved
Offshore 12 nautical mile zone - Ongoing planning approval procedure for the sea route in coastal waters in accordance with the German Energy Industry Act (EnWG) in conjunction with Mecklenburg-Western Pomerania State Administrative Procedure Act (VwVfG M-V)
Offshore EEZ + border corridor - approved 
Expected completion deadline under § 17 section 2 sentence 1 of the EnWGProject as designated in O-GDPDesignationDate

OST-2-2AC grid connection system OWF Baltic Eagle31/12/2023

OST-2-3AC grid connection system OWF Baltic Eagle30/09/2024

Offshore wind farms (OWF)
Operator of OWF Baltic EagleBaltic Eagle GmbH
The final kilometers to the offshore platforms in the EEZ have been approved. © Jan Pauls
13.10.2020 |
Project News
Ostwind 2: Plan approval permit received for the routes in the Exclusive Economic Zone (EEZ)

50Hertz received the last permit of the plan approval for the sea route in the Exclusive Economic Zone in early October 2020. The approval includes route sections that have not yet been applied for in previous approval procedures.

Read More
Rare but not surprising find. Recovery of the Henschel Hs 293 bomb. Photo: 50Hertz
04.09.2020 |
Project News
Ostwind 2: Unexploded ordnance recovery in shallow water completed

During work on the cable route, a glider bomb was found in July. It was the Henschel Hs 293 - a remote-controlled glider bomb from the Second World War.

Read More
Further News
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Yvonne Post

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