Denmark’s shortest ferry route is now a pioneer of battery power.
Since 1958, Venoe Ferry has provided a lifeline to Venoe Island in northern Jutland. The current vessel has transported passengers at 30 minute intervals 36000 times annually since 2010. For six years it used diesel for electric power generation and propulsion, consuming 90,000 liters of fuel each year.
After a conversion to a hybrid power generation system, the auxiliary generators which previously ran for 19 hours daily now run for only 20 minutes every 24 hours. Emission levels are significantly lower for the battery-powered ferry crossing, and diesel consumption has been reduced by 20,000 liters annually.
The project began with a drive to cut costs and achieve more sustainable operation, by reducing fuel consumption for the auxiliary power generators. The process was a collaborative development project with Danfoss Drives, EPTechnologies, Super B, Hvide Sande Shipyard, and contractor Vest-El. The ferry was assessed, the battery supply and power conversion extensively tested, and finally the ferry equipped with a customized hybrid power generation system.
Venoe Ferry Operations Manager Søren Adsersen is understandably enthusiastic about the hybrid conversion:
“It’s a huge success for us. With cost neutrality within eight years, we’re totally satisfied.”
All power conversion installations
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NORWAY & SWEDEN: PSW (Power and Automation AS) paired up with Danfoss to create compact OPS solutions in three Nordic harbors: Stockholm, Ålesund and Haugesund/Karmsund.
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FINLAND: The Aurora Botnia cargo and passenger ferry is equipped with a hybrid-electric propulsion system, powered by liquid-cooled iC7 drives from Danfoss.
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NORWAY: Electrification of the Nesodden ferries has reduced CO2 emission in the port of Oslo. VACON® drives and power converters play a key role onboard.
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NORWAY: The new training vessel at Maløy Fishing School uses less diesel and emits less CO2, while also meeting the rigorous demands of the fishing industry.
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NORWAY: The Hareid-Sulesund ferry operations have reduced CO2 emissions by 7000 tonnes annually with the introduction of electric vessels. In transitioning ferries from diesel to pure electric power, powerful onshore support is essential, in the form of reliable infrastructure for rapid charging capacity and stable grid supply. The systems on board and on shore act as a single system – a sophisticated and competitive system developed by Norwegian Electric Systems (NES) using Danfoss technology.
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A Danfoss medium-voltage drive solution boosts an inboard dredge pump and increases energy efficiency with a small footprint, minimum weight and low volume - while being robust enough to withstand the harsh marine environment.
