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Offshore-Plattform DolWin5

In the DolWin5 project, TenneT is implementing an offshore grid connection system with a capacity of 900 megawatts using extra-high voltage direct current transmission technology. The three-phase current generated by the wind farms at sea is converted into direct current on the associated offshore platform DolWin epsilon and transported south to the coast in East Frisia via a 100-kilometer-long submarine cable. From there, a 30-kilometer overland cable leads to the converter station in Emden/Ost. Here, the direct current is converted back into three-phase current and fed into the extra-high voltage grid on land.

Heitkamp Industrial Solutions has almost completed the work on the converter station in Emden.

The video shows the view of the converter hall from the east, on the right in front of it the cooling plant building, …

… the assembly of the outer platform at the operation / service building with access to the technical rooms on the 1st floor, …

… and the final assembly of the facade after completion of the outer platform.

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About us

Our company is looking back on a successful building tradition since 1892. Heitkamp stands for the optimal interaction of engineering know-how and constructional realisation.


Industrial Solutions GmbH
Bonsiepen 9 -11
45136 Essen, Germany

+49 (0) 201 / 8 36 90 - 0

+49 (0) 201 / 8 36 90 -199


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