Vattenfall and Echandia Marine have developed a new solution for electric ferries that is designed to minimise emissions
and noise and at the same time lower operational and maintenance costs and provide superfast charging. The systems are
installed on E/S Movitz that operates in central Stockholm and can be fully charged within 10 minutes with up to 500 kW
charging power.
Vattenfall and Echandia Marine have together developed a new concept that can contribute to a more sustainable transport
solution for different types of boats and ferries.
“We are proud to be able to contribute to reducing emissions for transport also by sea through innovative and
sustainable technology. The collaboration means that we can deliver value to the customer through our new functional
solutions for fast charging, while at the same time providing great environmental and climate benefits for both society
and residents in Stockholm,” says Torbjörn Johansson, head of Vattenfall Network Solutions in Sweden.
The solution is called “Power as a service” and means that the ownership and management of the equipment, which
includes the charging station, the battery system and the driveline, lies with Vattenfall with long experience of owning
and operating electric power systems. This includes, among other things, operation and maintenance, electrical safety
responsibility and any further investments during the contract period.
State-of-the-art battery system
Echandia Marine operates the shipping company Green City Ferries and has now upgraded its electric passenger ferry E/S
Movitz with a new battery system, “Echandia LTO”, based on state-of-the-art battery technology, that among other
things enables superfast charging.
“Echandia’s core business is emission-free energy systems for the demanding marine market, which has been successfully
demonstrated in recent years with the electric boat E/S Movitz. We have developed our own electric propulsion systems,
including a new battery system based on Toshiba’s new generation LTO battery modules (Lithium Titanium Oxide) that
enables higher power and faster charging than before. The fast charging station in central Stockholm provides
considerably higher charging power than those available for charging electric cars”, says Bilal Malla at Echandia
Marine.
Facts:
The electric ferry E/S Movitz, carrying up to 98 passengers, runs in shuttle service in central Stockholm over a
distance of about 10 km. As the world’s first supercharged electric passenger ferry of its kind, it only needs to be
charged for ten minutes for one hour of operation.
Source: vattenfall.com
The opinions expressed herein are the author's and not necessarily those of The Xinde Marine News.
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