Houston's NOV has won contracts to design and supply equipment for a wind turbine installation vessel (WTIV) ordered by Eneti, a Monaco-based company specialising in offshore wind farm construction and services.

Under the contract, which has an option for a second unit, Eneti will receive a GustoMSC NG-16000X vessel, described as an optimised, self-propelled turbine installation jack-up vessel design with optimised carrying and lifting capacity.

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The design incorporates a 2600-tonne leg-encircling crane capable of installing 20-megawatt turbines in water depths up to 65 metres.

The vessel, which is designed to facilitate future adaptations to lower-emission fuels such as liquefied natural gas or ammonia, will be built by Daewoo Shipbuilding & Marine Engineering and is scheduled for delivery in the third quarter of 2024.

Eneti had already outlined its plans to order a $330 million WTIV from Daewoo, and NOV confirmed its own central role in the contract this week.

Eneti chief executive Emanuele Lauro said: “Since August 2020, we have been unequivocal about our intention to enter the wind turbine installation sector. This vessel will have the advanced lifting capabilities and energy efficiency that offshore wind developers require, not just today, but well into the next decade.”

Jan-Mark Meeuwisse, commercial director at GustoMSC, said: “The shortage of [WTIVs] capable of installing heavier and higher turbines in deeper waters is foreseen. GustoMSC has invested and prepared for this change and is well positioned to support our client requirements.”

Jones Act compliance

In May, Eneti described “advanced discussions” with several US shipbuilders to build a WTIV in compliance with the US Jones Act, which promotes the domestic construction and operation of ships.

The company said the move was in anticipation of heightened demand for transport and installation capacity on the US continental shelf and is designed to bring Jones Act-compliant renewable energy to US customers.

In 2020, former bulk shipping company Scorpio Bulkers announced it would focus on offshore wind, followed by a rebranding as Eneti.