NORWEGIAN ELECTRIC FERRY TO SAVE MANY DOLLARS IN FUEL EVERY YEAR

HUGE NEW ELECTRIC FERRY COMMISSIONED IN NORWAY

Presently, the Norwegian villages of Lavik and Oppedal are linked by a ferry that burns about a million liters (264,172 US gallons) of diesel a year, emitting 570 tonnes (628 tons) of carbon dioxide and 15 tonnes (16.5 tons) of nitrogen oxides. That’s about to change, however, as it’s slated to be replaced by what is claimed to be the world’s first all-electric car-carrying ferry. Developed by Siemens and Norwegian shipyard Fjellstrand, the vessel can recharge its batteries in just ten minutes.
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The 80-meter (262.5-foot) catamaran can carry 120 cars and 360 passengers across the fjord between the villages. It is powered by two 10-tonne (11-ton) electric motors, each one driving a separate propeller. Those motors have a combined maximum output of 800 kilowatts, although for the ferry’s usual cruising speed of 10 knots, an output of 400 kW should suffice.

By contrast, the diesel ferry currently in use on that route puts out 1,500 kW. Part of the reason that the electric ferry needs less oomph lies in its streamlined twin-hull design, and the fact that it weighs about half as much as an equivalent-sized conventional vessel. Those weight-savings are largely due to the use of aluminum in its hull construction, as opposed to the more traditional steel.

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Sourced & published by Henry Sapiecha

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