Heerema Marine Contractors has won a contract by Petrofac for the transport and installation of the Alpha platform at the Hollandse Kust Zuid offshore wind farm zone.
Heerema will perform the installation by one of its newest vessels, the semi-submersible crane vessel Sleipnir.
According to the company, during the tender preparations the feasibility of the jacket and topside installation by Sleipnir in the shallow water location close to shore was explored.
The 2,800t jacket for the Alpha substation is expected to be installed in the second quarter of 2020, with the 3,800t topside following in the fourth quarter of next year. The platform will go into service in 2021.
"Heerema is very excited to support Petrofac and TenneT in the development of this project in the North Sea. It also gives us the opportunity to contribute to the realization of the Dutch government's clean energy targets," said CEO Koos-Jan van Brouwershaven.
Heerema said it is also running for the installation of the Beta platform, the second substation at Hollandse Kust (Zuid), with the contract expected to be awarded later this year.
The 1.4GW Hollandse Kust (Zuid) zone comprises four offshore wind farms that will be connected to the two offshore substations.