SECTOR SNAPSHOT Ӏ OFFSHORE (PT 2)
Once wind farms have been built they need to be connected. Seabed cables need to be laid between towers, and from sub- stations to shore. Cable-laying vessels are therefore required; and cable-laying vessels require on-board cranes. These cranes must operate in rough seas as well as smooth. Active heave- compensated (AHC) cranes are therefore an essential tool in the offshore energy sector. McGregor, a specialist in marine and offshore load-handling, has delivered high-performance AHC cranes to Italian cable-laying company Prysmian. The company’s cable-laying
vessels, Prysmian Leonardo da Vinci and the new Prysmian Monna Lisa, each have MacGregor packages
comprising a 100-tonne AHC crane, a 20-tonne offshore crane, and a three-tonne deck crane. They also have McGregor’s OnWatch Scout crane condition monitoring and maintenance solution. Delivered in 2025 by Norway- based shipbuilder VARD Group, Prysmian Monna Lisa received the Ship of the Year 2025 award by the Norwegian trade magazine Skipsrevyen which called it the ‘most advanced vessel of its kind’. The MacGregor AHC cranes
onboard these vessels are designed to deliver reliability even in harsh marine environments. The company says a unique rounded jib, as opposed to the conventional box-shaped design, makes them lighter than comparable products – with a higher lifting capacity
relative to their weight. As well as facilitating more efficient cable-laying operations this helps to minimise total vessel weight, says Ivar Fjermeros, senior sales manager, advanced offshore solutions, MacGregor. “Reducing steel weight from the crane increases relative lifting power but it also decreases the ship’s overall weight,” he says. “This enables a higher deck load, improving stability, and cutting fuel consumption and emissions. This means safer, more accurate, and more sustainable cable-laying operations in all conditions.” McGregor’s OnWatch Scout
RUD’s neXera wind turbine service hoist can lift 800kg
system enables the owner to monitor the condition of crane components through a control system, thus facilitating
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