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Daito Corporation, a consolidated subsidiary of Kawasaki Kisen Kaisha (K Line), has decided to build a 260-gross-ton Daito electric tugboat, following the 199-gross-ton unit currently under construction.
The Electric Tugboat No. 2 will be a high-performance vessel designed to carry out a wide range of towing operations in Tokyo Bay. It is intended to be a standard model for future electric tugboats.
The vessel will utilize a new DC power distribution system that efficiently supplies power for propulsion and onboard electricity, and will be equipped with a 4,400 HP engine, which is more powerful than the 3,600 HP engine of Electric Tugboat No. 1.
Additionally, the auxiliary generator of Tugboat No. 2, which will operate when battery capacity is insufficient, will be controlled by a condition monitoring system (CMS). Accumulated operational data will be used to optimize power supply and reduce the vessel's fossil fuel consumption.
This initiative has also been selected to be part of the subsidized program for Innovative Navigation Efficiency and Transition to Non-Fossil Energies for Coastal Shipping, jointly administered by the Ministry of Economy, Trade and Industry and the Ministry of Land, Infrastructure, Transport and Tourism. The initiative is expected to contribute to environmental efforts in Japan's coastal shipping sector.
The Electric Tugboat No. 2 will be built by Hongawara Ship Yard in collaboration with Kawasaki Heavy Industries, which will supply and integrate the propulsion and control systems, and TOA Corporation, which will design and build the onshore charging equipment.
Its completion is scheduled for July 2028. Along with Electric Tugboat No. 1, which will enter service earlier, the vessel will participate in towing operations for ships calling at ports in Tokyo Bay and contribute to the development of carbon-neutral ports (CNP).
Under the Group's long-term environmental policy, K Line Environmental Vision 2050: Blue Seas for the Future, the holding company promotes the research, development, and implementation of environmental technologies. Likewise, the Group will continue to collaborate to promote initiatives that advance towards the implementation of low-carbon and decarbonized operations.
