Tag Archive for Offshore substation

Jacket Borssele Beta installation in progress

On May 14, Boskalis, by order of TenneT, started with the installation of the jacket for the Borssele Beta Offshore High Voltage Substation.  The jacket was built by HSM Offshore in Schiedam. The jacket weighs 2,900 metric tonnes and is 55 metre heigh. The jacket will be fixed to the seabed by 6 piles. HSM…

Heerema to install Hollandse Kust Zuid Alpha substation

Heerema Marine Contractors has been awarded a contract by Petrofac for the transport and installation of TenneT’s Hollandse Kust Zuid (HKZ) Alpha substation. The company will use their latest vessel, Sleipnir. Sleipnir is a Semi-Submersible Crane Vessel and has the ability to also operate in shallow waters. During the tender preparations Heerema used its Simulation…

Pull in second export cable Borssele Alpha

Today, May 11, the second export cable that will connect the Borssele Alpha Offshore High Voltage Substation with the transformer station at Borssele made landfall. A consortium of Boskalis and NKT Cables were granted the contract for the supply and installation of the two 220 kV export cables, with each a capacity of 350 MW,…

Borssele Alpha topside leaves HSM Offshore yard

Today, May 10, the topside for the Borssele Alpha offshore substation left the yard of HSM Offshore in Schiedam. It is now on its way to the Borssele 1 & 2 wind farm site where it will be placed on the jacket foundation that was already installed last summer. The load out of the topside…

Seaway Strashnov installs offshore substation at Deutsche Bucht

On April 4, the heavy lift vessel Seaway Strashnov installed the offshore substation at the 269 MW Deutsche Bucht offshore wind farm, located 100 kilometres from the German mainland in the German Exclusive Economic Zone.  As general contractor Van Oord was responsible for the manufacturing and installation of the unmanned offshore substation. Both the jacket foundation…

Thialf installs offshore substation Borkum Riffgrund 2

On June 25, 2018, Heerema Marine Contractors installed the topside for the offshore substation (OSS) in the German offshore wind farm Borkum Riffgrund 2, using the SSCV Thialf, the world’s largest crane vessel. Borkum Riffgrund 2 is a project developed by Ørsted and is located about 34 kilometers off the island of Borkum. Heerema was contracted…