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New solar-electric connection  

This summer, there’s a new way to get to a holidaymaker’s’ paradise in the Baltic Sea: a solar-electric ferry. The 14.65m emission-free vessel is operating several times a day between the village of Kamp on the German mainland and the sunny island of Usedom, part of the popular 350-kilometer Berlin to Usedom cycle route.
 
The solar ferry travels the same route as the previous, diesel-powered ferry, which lost its operating license a couple of years ago. That created a problem for the village of Kamp, where the ferry departs the mainland.
 
"People still arrived on bicycles and wanted to get on the ferry. But then they realized: The ferry is gone. For our tourism, it was a disaster. Really tough," said Siegfried Henck, who presides over the local harbour association. So, they decided to organise a new ferry service. “It would have been nonsense [to build] something with diesel again,” he recalls. “Most visitors arrive by bicycle and muscle-power so a quiet, clean and emission-free electric ferry fits the bill.”
 
The Antonia vom Kamp operates at 8 km/h with a max speed of 15 km/h and is propelled by a single, 60 kW Deep Blue electric azimuth thruster (rudder propeller). The system is completed by two Deep Blue batteries with a total capacity of 80 kWh and a 4.3 kWp solar installation. The boatbuilders, Ostseestaal and Ampereship, estimate that the new solar-electric propulsion system will save twenty tonnes of CO2 every year.
 
"We can cover our energy needs almost entirely with the photovoltaic system," says Kay Peters, managing director of Oderhaff Reederei Peters GmbH, the company that operates the new ferry. But the solar-electric Deep Blue system does more than just generate its own energy – it saves, too. "Electric motors… only consume energy when the ship is moving," Peters says. He explains that a diesel engine would continue to run during passenger loading and unloading, wasting fuel and money.  "Here we have no gearbox, no losses, nothing. The ongoing costs in terms of maintenance, oil changes, and spare parts are much lower." 
 
“When you take a ferry out of operation for maintenance, you’re losing money every minute. Solar-electric water taxis and ferries are more than just clean and green,” says Tommi Salonen, Torqeedo GmbH’s senior vice president sales. “Electric drives like Deep Blue require much less maintenance and insulate their owners from fuel price volatility.”
 
“With the delivery of the new innovative Usedom ferry, Ostseestaal and Ampereship, as regionally anchored companies, are contributing to bringing e-mobility to the water. In Torqeedo we have found a reliable partner that delivers the entire drive train from a single source. This helps to build the ferry on time and within the budget," emphasises Ingo Schillinger, business unit manager commercial shipbuilding of Ostseestaal / Ampereship GmbH.
In recent years, the two companies have become one of Europe’s market leaders in the construction of electric-solar ships for professional inland navigation.


Watch the video for a nifty explanation of the ferry’s power consumption v production, using a hairdryer as a very relatable comparison ‘unit’. 



Exhibitor; Torqeedo

 
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