The Wind Challenger reduces greenhouse gas emissions by about five per cent on a Japan-Australia voyage and by about eight per cent on a Japan-North America west coast voyage, compared with a conventional ship of the same type.
The coal carrier Shofu Maru, owned and operated by Mitsui O.S.K. Lines (MOL), achieves significant fuel savings thanks to the Wind Challenger hard sail wind propulsion system. Measurements were carried out during a total of seven return trips to Japan, mainly from Australia, Indonesia and North America.
During these voyages, the Shofu Maru carried coal for Tohoku Electric Power. It is the first coal transport ship in the world equipped with a Wind Challenger.
5-8% savings per voyage
Over the course of about 18 months since the Shofu Maru was delivered in October 2022, MOL has continuously measured the performance of the Wind Challenger during real voyages, and confirmed that the Wind Challenger sail has reduced daily fuel consumption by 17%, and on average by five to eight% per voyage.
The effect of fuel savings during operation depends largely on the wind conditions the vessel faces. The effect of fuel savings is calculated using a method verified by Lloyd’s Register.
Eighty ships with Wind Challenger by 2035
MOL has set itself the goal of achieving zero greenhouse gas emissions by 2050. One of the key actions to achieve this is the introduction of further energy-saving technologies, and the group plans to launch 25 Wind Challenger-equipped ships by 2030, rising to eighty by 2035.
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