Dredger Mimar Sinan and the split hopper barge Tiger have started work at the Tahkoluoto offshore wind farm site.
The vessels are working on dredging and excavation for foundations and cable ditches.
The underground cable and substation will be installed by the next summer, with foundations and subsea cable scheduled for installation in spring and summer 2017.
Jan De Nul is in charge of dredging, seabed construction work, and the installation of foundations and wind turbines.
Finnish Tahkoluoto offshore wind farm is the world’s first offshore wind farm designed for icy conditions. It will have ten Siemens 4MW turbines that will be put to operation during the autumn of 2017.