Semco Maritime

Semco Maritime executed an electrical procurement, construction and installation (PCI) contract for the Gunfleet Sands offshore substation, which forms part of the Gunfleet Sands OFTO transmission assets. Working for CS WIND (formerly Bladt Industries) as customer and Ørsted as end customer, Semco Maritime procured and installed low-voltage systems, cableways and cable pulling, HVAC, firefighting and fire detection systems, communications and diesel power generation on the offshore platform. This work covered integration and commissioning of the substation’s auxiliary and support systems during the construction phase, readying the OSS to collect 33 kV array power and export it at 132 kV to shore.