Cadeler tops the charts once again with 86 turbines installed across five jack-up vessels: Wind Maker, Wind Scylla, Wind Peak, Wind Orca, and Wind Osprey.
Jan De Nul Group follows with 43 turbines installed, using Voltaire and Vole au Vent.
New-Build Vessels Taking the Lead
A key trend in H1 2025: New-built vessels are dominating offshore wind installation.
Four of the top five performing vessels—Voltaire, Wind Maker, Wind Peak, and Blue Wind—were delivered within the last three years, highlighting the industry’s shift toward next-gen installation capacity.
Global Activity from New Entrants
▪️ Shimizu Corporation -Japan installed 20 turbines in Taiwan with Blue Wind
▪️ Penta-Ocean Construction Company Limited installed 9 turbines domestically in Japan
Note:
Data reflects turbines installed (completion) in H1 2025—not commissioned units. Installations in China are excluded from this overview.

