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HYDROGEN POWERED WIND FARM VESSELS BEGIN BUILD

Thursday, April 30, 2020 

Gondan Shipbuilders of Spain has begun construction of two wind farm vessels for Østensjø Rederi of Norway, which are said to be the first such vessels to be equipped for the use of hydrogen as fuel.

The 88.30m long and 19.70m wide ships were designed by Norwegian Salt Ship Design, with the aim of becoming the most environmentally friendly and most efficient vessels of their kind. They are part of an ambitious construction programme announced by the owner with a letter of intent, signed in October 2019, for up to four such vessels to address the Offshore Wind market.

All on-board systems have been designed to optimise energy efficiency, minimising their carbon footprint and allowing stable and safe operation in all weather conditions. The vessels are equipped with a battery hybrid propulsion system, at present equipped for diesel operation but prepared for future operation on hydrogen. They are said to be the first with Blue Drive + C Star diesel-electric propulsion, to reduce fuel consumption, and the first to be equipped with eVSP propellers. This integrates a permanent-magnet electric motor into the Voith Schneider propeller, achieving significant reductions in weight and in fuel consumption while minimising acoustic emissions. The gangway crane, used for crew transfer, includes energy recovery capabilities, storing excess energy in the ship’s battery pack in order to meet peaks in power demand. A Heat Recovery System allows better use of energy, with a consequent reduction in consumption and emissions.

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