The world's first Zero-Emission Bunker Tankers are on their way

Japanese owner Asahi Tanker has announced a bold new plan to build the world’s first two zero-emissions electric bunker tankers.
In August last year, Asahi, along with Exeno Yamamizu, MOL, and Mitsubishi jointly formed the e5 Laboratories. The e5 Laboratories will now design the revolutionary vessel, which has already been dubbed as a giant leap when it comes to reducing carbon footprint in the commercial shipping industry.
The two tankers will adopt the “e5 tanker” design developed by e5 Labs Inc.
The very reason why these Japanese conglomerates came to develop the e5 Laboratories last year is to develop electrically powered ships that provide a platform for services that takes advantage of electrically powered vessels and other cutting-edge technologies.
The said tankers, upon construction, will enter service in Tokyo Bay as bunker vessels after delivery between March 2022 to March 2023.
Powered by large-capacity lithium-ion batteries, the two tankers will achieve zero emissions of CO2, NOx, SOx, and particulates due to the all-electric core energy system.
Apart from environmental concerns, noise pollution caused by the ships will get reduced considerably, too. Due to the all-electric system onboard, reduced noise and vibration will create a more comfortable work environment for the crew members. During port stays, port officials can expect limited noise pollution, too!
Additionally, the vessels will adopt digitalization, automation, and Internet of Things (IoT) technology to reduce crew workload and improve operational efficiency.
Japanese shipbuilders Koa Sangyo Co and Imura Zosen KK will be in charge of constructing one vessel each, while Kawasaki Heavy Industries will serve as the system integrator for the duo.
An urgent issue that the coastal shipping sector faces is sustainability and improved workplace for crew members onboard. Asahi Tanker and e5 Lab will jointly engineer the sustainability factor through the development and introduction of these advanced ships.
Here are some of the specs of the electric tankers:
Dimensions: LOA 62m / Breadth 10.30m / Draft 4.15m
Ship classification society: Nippon Kaiji Kyokai (ClassNK)
Cargo Fuel: oil
Gross tonnage: 499 tons
Speed: About 10 knots
Cargo tank capacity: 1,280m3
Propulsion equipment: Azimuth thrusters 300kw x 2 | Side thrusters 68kw x 2
Battery capacity: 3,480kWh.
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