Jan De Nul NV was appointed by Suomen Hyötytuuli Oy as the main marine construction contractor for the Tahkoluoto offshore wind farm works that included seabed preparation (dredging and excavation) for foundations and subsea cables and the offshore installation campaign. Jan De Nul deployed its heavy-lift jack-up vessel Vole au vent for offshore construction activities and installed the project’s ten gravity-based foundations and ten Siemens wind turbines during the 2017 installation season.