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Tel. +45 7916 6666


Semco Maritime
Esbjerg Brygge 30
DK- 6700 Esbjerg

Offshore Substation

Customer: Bladt IndustriesEnd customer: VattenfallLocation: The Swedish part of Øresund (the Sound) Period: 2006 - 2007 and service in 2017Capacity: 100 MW

Electrical procurement, construction and installation (PCI) contract for the construction and installation of substation for the Lillgrund offshore wind farm. The project involved several electrical disciplines including low-voltage systems. In 2017, Semco Maritime installed a new fire detection controller and changed the PLC set points for the vertical cooler fans in the platform transformer rooms.

Competences and systems
  • Low-voltage systems
  • Cableways and cable pulling
  • HVAC systems
  • Firefighting systems
  • Fire detection systems
  • Communication systems
  • Diesel power generation
  • Project management
  • Vattenfall’s first offshore wind farm
  • Built as a demonstration platform
  • Project performed on time with feedback from customer