Belgian dredging and offshore services leader DEME Group achieved notable progress in the offshore wind sector during December 2025 with the delivery of an advanced installation vessel and major contract awards in Poland. These achievements demonstrate DEME's successful expansion since their purchase of Havfram, positioning DEME Group as a frontrunner for sustainable energy infrastructure solutions.
Delivery of Norse Wind WTIV
DEME took delivery of the Norse Wind, a large wind turbine installation vessel (WTIV) built by Chinas CIMC Raffles Shipyard. Designed by GustoMSC, the vessel is equipped for installing turbines with rotor diameters exceeding 300 meters and XXL monopiles up to 3,000 tons. Its 3,200-tonne crane enables operations in water depths of up to 70 meters, supporting the latest 15 MW and 20 MW turbines.
The vessel features a pioneering direct-current power system, allowing battery operation for onboard systems while diesel generators recharge intermittently. This hybrid setup reduces emissions and enables heavier payloads compared to traditional alternating current vessels. Norse Wind is built for extreme conditions, including Force 8 winds and temperatures down to -15C, with an advanced dynamic positioning system ensuring stability.
Already contracted for major projects, Norse Winds first assignment begins in early 2026 at the Nordseecluster B offshore wind farm in Germany, developed by RWE and Norges Bank Investment Management. DEME also secured inter-array cable installation for the 1.6 GW projects second stage, involving 124 kilometers of cabling 50 kilometers off Juist island. The sister vessel, Norse Energi, launched in July 2025, is slated for delivery early 2026.
Even Larsen, Business Unit Director Global WTG and OM at DEME, stated: This state-of-the-art vessel allows us to complete larger and more complex projects with greater efficiency, expanding our capabilities even further.
Major Contracts Awarded for BC-Wind Offshore Wind Farm in Poland
On December 10-11, DEME awarded three contracts totaling between $174 and $350 million ($150-300 million) to Ocean Winds-a joint venture between EDP Renewables and ENGIE-for the BC-Wind offshore wind farm located 23 kilometers off Polands Baltic Sea coast that will power approximately 500,000 households annually. These three contracts total around 390 MW.
DEME will deploy its heavy-lift installation vessel Orion, featuring a motion-compensated pile gripper, 5,000-ton crane, and advanced ballasting, to install 27 monopiles: 26 for turbines and one for the offshore substation. Cable works, including the export cable in consortium with Hellenic Cables, will utilize Living Stone and Viking Neptun. Installation is scheduled for 2027-2028 post-financial close.
Hugo Bouvy, DEME's Managing Director Offshore Energy commented: DEME is delighted to support Polands ambitious offshore wind ambitions through our ongoing collaboration with Ocean Winds. Building upon prior work completed for Baltic Power, these awards mark DEMEs second Polish offshore wind project establishing its regional presence.
DEMEs developments fit with its extensive offshore energy, dredging, and marine infrastructure portfolio, comprising over 100 vessels worldwide and 5,800 employees. DEME's focus on innovation supports global energy transitions amid rising maritime trade and environmental needs.