First Solid Wind Sails Installed on LNG Carrier by Hanwha Ocean and MOL
The first installation of solid wind sails on an LNG carrier marks a significant advancement in wind-assisted propulsion technology. This initiative, led by Hanwha Ocean and Mitsui O.S.K. Lines, could achieve up to 12% fuel savings per voyage, highlighting its potential impact on reducing emissions in the shipping industry.

Hanwha Ocean has completed the first installation of the Wind Challenger System on an LNG carrier, part of a project with Mitsui O.S.K. Lines (MOL) and Chevron Shipping. Scheduled for delivery in the second half of FY2026, the vessel will be 286 meters long, featuring two rigid sails that extend approximately 49 meters above the deck.
The designs received AiP from ClassNK after a thorough risk assessment, validating their safety and compatibility with GTT's LNG tank technology. Additionally, MOL plans to install sails on another LNG carrier for long-term operation with Tokyo LNG Tanker Company. These developments aim to enhance fuel efficiency, with anticipated savings up to 12% per voyage.




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