New Offshore Wind Installation vessel design

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First US-Built Offshore Wind Installation Vessel Begins Sea Trials as...

The vessel, now 96% complete at Seatrium AmFELS shipyard, will support the construction of the nation’s largest approved offshore wind project – the 2.6-gigawatt Coastal Virginia Offshore Wind (CVOW) project.

The vessel’s hull and infrastructure was fabricated with over 14,000 tons of domestic steel, including nearly 10,000 tons sourced from Alabama, West Virginia and North Carolina.

That is impressive. Built at a foreign owned US shipyard by (mostly) Mexican workers, from 100% US steel

I wonder how many % of the machinery and equipment that went into this Dutch designed WTIV is of US origin?

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Cadeler takes delivery of its latest next-generation wind installation...

Wind Pace was officially named at a naming ceremony on the 12 March at the COSCO Shipping Heavy Industry (COSCO) shipyard in Qidong, China, where she was built.
After her delivery, Wind Pace will be deployed in the U.S. under a contract from Q2 2025 to Q1 2026, supporting a project at an offshore wind farm in the region, Cadeler’s second project in American waters.

The P-class vessels are capable of transporting and installing up to seven complete 15 MW turbine sets per load or five 20+ MW turbines, reducing the number of roundtrips required and significantly accelerating installation time while improving energy and cost efficiency. An advanced hybrid power system and cyber-secure operational infrastructure ensure high efficiency and enhanced safety.

The P-class vessels are the result of close cooperation between Cadeler and its key partners on these newbuildings, including COSCO, GustoMSC, NOV, Kongsberg, Huisman, and MAN Energy.

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Cadeler goes for a bargain:

Cadeler buys Chinese-built wind turbine installation vessel - Splash247

Cadeler expects to take delivery of the vessel in the third quarter of 2025. The price of the vessel was left undisclosed, however, the company claims that the purchase price is significantly below the vessel’s estimated replacement cost.

“With the installed base of offshore wind turbines growing substantially, there is a greater need than ever before for reliable and flexible O&M support to ensure uptime and maximise energy production,” said Mikkel Gleerup, Cadeler’s CEO.

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SEAWAY ALFA LIFT operating at the Doggerbank OWF
Photo : Flying Focus Aerial Photography www.flyingfocus.nl ©

Seaway Alfa Lift - Seaway 7

Seaway Alfa Lift

Ship history:

March 2019: Steel cutting
October 2019: Keel laying
January 2020: Nominee for the Offshore Renewables Award
February 2021: Launching at the CMHI yard
2022: Delivery

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US OWF industry may be dead, or on it’s death bed, but there are still lots of activity in the rest of the world to justify building more WTIVs:

Cadeler secures $770m in financing for newbuild pair - Splash247

Cadeler has three A-Class vessels being built in China by COSCO. The Wind Ally vessel is expected to be delivered in the second half of 2025, while the second, Wind Ace , will be delivered by the second half of 2026. The third, Wind Apex , is scheduled for delivery in the first half of 2027. It was not revealed which vessels the loans were for.

Like this project:

Polish 4GW offshore wind auction set for December - Splash247