Page 16: of Offshore Engineer Magazine (Jan/Feb 2023)

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MARKETS WIND TURBINE INSTALLATION VESSELS various degrees local ownership, registration and ?agging, water depth range as seen in the below chart, foundations crewing and vessel build content. will become signi?cantly heavier – another key driver for

As we can see from the following charts, 15 MW wind installation vessel crane capacity.

turbines will be trend for established markets with some As turbines and foundations become larger, a large num- new markets still deploying smaller turbines. The impact ber of exiting turbine and foundation vessels have become of a bigger turbine is a larger rotor diameter and that means technically obsolete. This has resulted in the upgrading the WTIV crane needs to lift to higher heights. of existing vessels and new builds. The chart below shows

Wind turbine and foundation installation vessel demand how the existing and planned turbine and foundation ?eet is rapidly changing. Until recently this requirement has matches the evolving technical demand.

been largely satis?ed by wind turbine installation vessels Additional turbine and foundation installation vessels (WTIVs) and heavy lift vessels and semi-submersibles de- will be required to meet international demand in the fore- signed for the oil & gas and port/salvage market (HLCVs cast period after the middle of the decade. and HLSSs). Market requirements have now ?rmly shift- ed to purpose-built next generation WTIVs and WFIVs - foundation installation vessels capable of handling the largest bottom-?xed monopile and jacket foundations.

The foundation segment poses interesting installation

For more information about the Intelatus Global challenges. With wind turbines getting larger, the loads on

Partners, visit www.intelatus.com or contact Philip

Lewis at +44 203-966-2492.

foundations are greater and they have to be bigger. Further, with bottom-?xed wind farms moving to the 40-60 meters

Courtesy Intelatus 16 OFFSHORE ENGINEER OEDIGITAL.COM