Jan De Nul Group, LS Cable & System and Denys have signed the contracts for two 525 HVDC cable systems serving the two grid connection systems for BalWin4 and LanWin1.
These mark the first two contracts signed under the long-term framework agreement that TenneT and Jan De Nul signed earlier this year.
The projects comprise the design, manufacturing, transport, installation, protection and testing of three 525 kV cable systems for connecting offshore wind farms to the onshore grid via the BalWin4 and LanWin1 grid connections.
Jan De Nul will take care of the transport, installation, burial and protection of the offshore cables.
For this, it will use a variety of its specialised vessels and assets including the Fleeming Jenkin (pictured) the company’s recently ordered XL cable-laying vessel.
LS Cable & System will design, manufacture, terminate and test all cables with Denys being responsible for civil and cable pulling scope related to the onshore cable routes.
In total, more than 1000 km of HVDC will be designed, manufactured, transported, installed, protected, and tested for these two projects.
Wouter Vermeersch, manager offshore cables at Jan De Nul Group, said: “We are delighted to sign these first two projects under the partnership frame agreement we signed earlier this year with TenneT.
“This marks an important milestone in support of TenneT’s 2GW programme and the construction of the energy transition.
“We look forward to providing delivery excellence of these projects within the challenging North Sea environment together with TenneT and our partners.”
The cable systems of the two grid connections BalWin4 and LanWin1 coming from the offshore converter stations will cross the Wadden Sea and be connected to the extra-high voltage grid in Unterweser.
The grid connections will enable renewable electricity from offshore wind farms with a transmission capacity of altogether 4GW to be fed into the German grid.