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ALL-ELECTRIC BUNKER VESSEL LAUNCHED IN JAPAN

ALL-ELECTRIC BUNKER VESSEL LAUNCHED IN JAPAN

Friday, December 24, 2021 

Asahi Tanker of Japan has launched 'Asahi', the first of two bunker vessels, designed by e5 lab and built at the KAO Sangyo shipyard.

The tanker is due to enter service in March 2022, with the second, which is being built at Imura Shipbuilding, due a year later. The tankers will be powered by large lithium ion battery banks, giving 3480kWh capacity. Both vessels will serve as bunker vessels in Tokyo Bay.

The batteries power two 300kW azimuthing thrusters and two 68kW side thrusters, giving a service speed of around 10 knots and a range, on a 10-hour charge cycle, of about 100 naut miles.

The two 62m long tankers will achieve zero emissions of CO2, NOx, SOx, and particulates, as well as significantly reduced noise and vibration. Each has capacity for 1280m3 of fuel oil. They feature a high level of digitalisation to reduce crew workload and increase efficiency. Future plans involve a facility to make the battery capacity available as power in case of disaster or emergency.

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