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Phoenix666 [soylentnews.org] writes:

BBCTech [bbc.co.uk]:

Powered entirely by batteries, Ellen is something of a Tesla among ferries. Fully charged, the 60m vessel can sail 22 nautical miles with up to 200 passengers and 30 cars onboard.
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Totalling 4.3MWh this is the largest battery capacity at sea and equivalent to the average amount of electricity a UK household consumes each year.
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After a 70 minute voyage, Ellen arrives at the harbour in Søby and moors alongside the charging station.

A mechanical arm plugs in and recharges the batteries in less than 25 minutes with clean energy supplied by local wind turbines.
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"We are paying maybe 25% of what you would pay for running a similar diesel vessel." says Ms Heinemann. "So that's the significant saving."

Electric propulsion is beginning to spread from passenger cars to trucks and now ferries.

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