China-based Cosco Heavy Industries has received a contract from Danish company Cadeler for the construction of a new F-class vessel.

It is Cadeler’s second F-class vessel and the sixth vessel in its jack-up fleet for the offshore wind industry.

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Featuring a hybrid design, the new vessel can be transformed from a foundation installation unit to a wind turbine generator installation vessel within a short period.

At present, Cosco is engaged in the construction of two X-class vessels as well as one F-class vessel, all of which are expected to be delivered in the second half of 2024.

The company plans to deliver the new F-class vessel in the second half of 2026. All the vessels will operate under the Danish flag.

The second F-class vessel will have features that are similar to the first F-class vessel. It will offer a deck space of 5,600m² and a payload of more than 17,600 tons.

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Cadeler will use these vessels for the transportation and installation of seven complete 15MW turbine sets per load or six sets of 2XL monopile foundations.

Both the X- and F-class vessels are being constructed in coordination with Cadeler’s strategic partners, including GustoMSC NOV, Kongsberg, Huisman and MAN Energy.

Cadeler CEO Mikkel Gleerup said: “The decision to build another F-class vessel is based on the strong market demand for assets specialising in installing foundations. Our yet-to-be-build F-class vessels have already been sought after by our customers.

“As announced in August, we have signed a firm contract with Ørsted and have also entered a long-term agreement with an undisclosed customer booking the F-class from 2027 to 2030.”

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