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Semco Maritime
Esbjerg Brygge 30
DK- 6700 Esbjerg

Arcadis Ost I Offshore Substation

Customer: Bladt Industries A/S
End customer: Parkwind Ost GmbH
Location: The German part of the Baltic Sea
Period: 2020-2023
Topside weight: 2200 tons
Capacity:  247 MW

Scope comprising a full electrical engineering, procurement, construction and installation (EPCI) contract covering the substation for the Arcadis Ost offshore wind farm. The project involves all electrical disciplines including low-voltage, medium-voltage and high-voltage systems except HV GIS and HV shunts.

Competences and systems
  • Main transformer and MV GIS systems
  • Low-voltage systems
  • Diesel generator systems
  • Protection and control systems
  • Project management
  • Drainage and waste systems
  • HVAC systems
  • Communication and IT systems
  • Platform identification systems
  • Transport/spacing
  • Cooperation with 50 Hertz Transmission GmbH – a German transmission system operator (TSO)

See time lapse video of the entire construction and installation process below here: