World’s first hybrid-powered daughter craft to be built in UK 20 July 2021

The world’s first hybrid daughter craft vessels designed to support the offshore wind market are to be built in the UK through a new multi-million pound deal.

Aberdeen-headquartered North Star Renewables has confirmed that the contract for its fleet design, developed in collaboration with Southampton based naval architects Chartwell Marine, will be awarded to a UK shipyard in September.

The initial contract for two newly designed hybrid vessels will be built to complement North Star’s growing service offshore vessel (SOV) fleet and will be delivered in 2022 and 2023. The hull form, equipment selection, innovation features and comfort are all focused specifically to suit the demands of offshore wind operations.

Daughter craft are used by the offshore wind industry to safely transfer technicians between the in-field SOV, where they live while working offshore, to the wind turbines to undertake routine or remedial maintenance. They are also used to support trips to shore and making deliveries in-field.

In addition, daughter craft also provide essential emergency safety and rescue cover. The firm, which employs 1,400 personnel across the UK (including 140 deck and engineering cadets enrolled in its three-year training programme), has 63 vessels on its books, often operating twin daughter crafts from a single vessel. It also has the largest wholly owned British fleet providing infrastructure support and currently services more than 60 locations and mobile installations in the North Sea.

Over the last two years, North Star’s teams in Newcastle, Lowestoft and Aberdeen have worked in close partnership with Chartwell Marine to produce a new daughter vessel design. It introduces hybrid propulsion into the daughter craft market for the first time, whilst setting a new standard for safe operations with an increased sea state operability at wave heights of up to 1.7m Hs – 33% higher than anything else currently available, according to the company. The vessel also carries green technologies to reduce carbon emissions, configured for further improvements in green technologies as the sector evolves.

Speaking about the partnership, Andy Page, managing director, Chartwell Marine, said: “The design builds on learnings from our low emission research & development project funded by the Carbon Trust’s Offshore Wind Accelerator, and, working with North Star, we have been able to develop an effective hybrid vessel that will live up to the demands of offshore wind operations.

Once the daughter craft are delivered, they will be operated by North Star’s experienced crew members. The company’s entire fleet is maintained in-house by its team of technicians based in Aberdeen and Lowestoft.

Operations Engineer

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