Huisman has signed a contract with Keppel AmFELS for the delivery of a leg encircling crane for Dominion Energy’s wind turbine installation vessel Charybdis
The company was first identified as the preferred supplier for the crane in September 2020. With a 2,200-tonne lifting capacity, it will be suitable for installing next-generation offshore wind turbines and foundations.
Huisman will implement the same technology used for the crane on Seajacks’ installation vessel Scylla.
The crane is scheduled for delivery in 2023, with Huisman North America, based in Rosenberg, Texas, due to commission and test it at Keppel AmFELS in Brownsville, Texas.
The crane is fully electrically driven with what Huisman describes as a “unique Lambda boom design” ensuring a lightweight, stiff design leading to reduced motion at the crane tip.
The crane’s reduced tail swing allows for optimised utilisation of free deck space.
Dominion Energy expects the vessel to be fully utilised in support of the installation of more than 5 GW of offshore wind generation off the east coast of the US through 2027 and beyond.
The keel of the vessel was laid in December 2020. Once complete, the vessel will be based out of Hampton Roads, Virginia with a US crew.
The vessel is designed to handle current-generation turbines as well as next-generation turbines of 12 MW or more and will also be capable of installing foundations for turbines and other heavy lifts.
The overall project cost, including construction and commissioning and excluding financing costs, is estimated to be around US$500M.
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