Heerema Marine Contractors has been awarded the Petrofac contract for TenneT's Hollandse Kust Zuid (HKZ) Alpha project, an offshore wind farm zone being developed in the North Sea off the Dutch coast.
The award entails the transport and installation of the HKZ Alpha HVAC platform. The jacket (2,800 metric tonnes) for the HKZ Alpha substation will be installed in the second quarter of 2020 and the topside (3,800 metric tonnes) in the fourth quarter of 2020. The installation will be performed by Heerema’s vessel, Sleipnir. Sleipnir is a Semi-Submersible Crane Vessel and can also operate in shallow waters. Hollandse Kust (zuid) Alpha will go into service in 2021.