Jan De Nul Group successfully completed its 2025 installation campaign at TenneTs DolWin Kappa substation, installing 37 km of HVAC cables for German North Sea wind farms. They also launched Fleeming Jenkin as the worlds largest cable-laying vessel and secured Formosa 4 wind farm export cable contracts in Taiwan - milestones which further Europes renewable energy grid connections.
November 2025 saw significant advances in subsea cable infrastructure, from new vessel launches and cable installations for offshore wind to technological innovations across Japan, Europe and China. These events demonstrate how Japan, Europe and China maritime sectors are working towards improving offshore energy connectivity with increased offshore connectivity capabilities such as Jan De Nul and Asso.subsea at the forefront of these advancements.
Jan De Nul, the Belgian marine contractor, has recently been awarded significant contracts in Taiwan for the installation of the Formosa 4 offshore wind farm export cables, as well as deploying its mega hopper, Cristobal Colon, for the Rasmale eco-city reclamation project in Maldives. “These contracts showcase how Jan De Nul is expanding their reach in renewable energy and infrastructure development across Asia-Pacific.”