WTIV Norse Wind Joins DEME’s Fleet

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DEME has officially received its new wind turbine installation vessel (WTIV), Norse Wind , from CIMC Raffles Shipyard in China. The vessel is set to begin operations in early 2026.

Norse Wind is designed for the installation of next-generation offshore wind turbines, capable of handling rotor diameters beyond 300 metres and XXL monopiles up to 3,000 tonnes in water depths up to 70 metres. The WTIV features a 3,200-tonne crane and includes advanced jack-up capabilities, according to DEME.

The order for the new WTIV dates back to December 2022, as part of a package that included options for up to three additional units. Norse Wind was originally ordered by Norwegian offshore wind contractor Havfram, which DEME acquired in April 2025, with the acquisition bringing its newbuilds into DEME’s portfolio.

Norse Wind was launched into the water at the beginning of this year, and this summer, the WTIV completed a full-height jacking test , lifting its 124-metre legs to full extension as part of its commissioning process.

The second vessel of this type, being built for DEME at the CIMC Raffles shipyard, Norse Energi , was launched in July 2025 and is expected to be delivered in early 2026.

The vessels will be repainted in DEME’s green livery before entering service.

The debut project for both Norse Wind and Norse Energi is RWE’s 1.6 GW Nordseecluster offshore wind project, consisting of two offshore wind farms, both of which will feature Vestas 15 MW wind turbines .

“Norse Wind represents an important step in strengthening DEME’s position as a leading player in offshore wind installation”, said Even Larsen , Business Unit Director Global WTG & O&M at DEME. “This state-of-the-art vessel enables us to deliver even larger and more complex projects, further enhancing our capabilities. We also acknowledge the excellent collaboration and craftsmanship demonstrated by the CIMC Raffles team throughout construction.”

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