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Semco Maritime
Esbjerg Brygge 30
DK- 6700 Esbjerg

Mayflower Offshore Substation

Customer: Mayflower Wind Energy LLC
Location: Massachusetts, USA
Period: 2020-2024
Topside weight: 4700 tons
Capacity:  1200 MW

A full EPC contract including electrical and mechanical engineering, procurement, construction and commissioning (onshore and offshore) of all E&I for the Mayflower Wind Farm offshore substation.

Competences and systems
  • Project management
  • High & medium-voltage systems
  • Low-voltage systems
  • Diesel generator systems
  • Protection & control systems
  • Fire alarm system
  • Fire extinguishing system
  • HVAC systems
  • Communication & IT systems
  • Platform identification systems
  • Equipment, piping, ducting and HV/MV/LV cable tray system/space management
  • A competitive FEED phase was completed prior to the tender phase to ensure the scope was as accurate as possible
  • Semco Maritime’s second offshore substation for the USA market
    Semco Maritime A/S and Bladt Industries A/S entered into a joint venture for this project
  • The Semco Maritime scope also included the supply of inter-array cables