Lithium Polymer Battery Powers 1,000-passenger Hybrid Ferry
Tuesday, May 14, 2013
Princess Benedikte

A hybrid electric ferry using Corvus Energy's advanced lithium polymer battery solution was commissioned today in Copenhagen, Denmark by Scandline. The Princess Benedikte ferry refit represents the conversion of a former diesel electric ferry to a hybrid vessel and a major advance in green ferry transportation.

Using 2.7MWh of Corvus’ industry-proven battery modules, the retrofitted ferry will provide enhanced technical reliability and efficiency, improve maintenance costs, consume less fuel, deliver significantly reduced greenhouse gas emissions, be noise-free and charge in 30 minutes by renewable, shore or generator power.

Corvus’ modules are a cost effective alternative for hybrid ferries. They will last for more than 10 years and provide years of consistent and quality performance to meet the growing demand for more sophisticated, greener vessel systems. The lifespan of the powerful battery packs delivers a rapid return on investment by multiples and a system payback that is less than five years.

Corvus Energy's CEO Brent Perry attended the commissioning together with Scandlines executives and staff.  Perry said, "This commissioning is significant milestone for Corvus because it represents the world’s largest ever hybrid propulsion marine battery pack and an important early success in the marine version of sustainable capitalism. We are honored to participate and look forward to using this conversion as a template to develop future customer-based solution for more ferry fleets around the world.”

Fini Hansen, Technical Superintendent, Fleet Management, Scandlines Danmark A/S added, “Scandlines is making a significant investment in new green technology that will benefit the people in the areas adjacent to the harbor and beyond in terms of reduced pollution. Corvus batteries are used primarily to minimize diesel engines running at non-optimal load. Further, this means load-leveling function in order to keep a high level of fuel efficiency and reduced number of generating sets in service.”

Princess Benedikte can carry more than 350 vehicles and approximately 1,140 passengers and will operate the Rødbyhavn - Puttgarden route. The vessel now has the capacity to operate on full electric propulsion while in harbor, and the life of the diesel drivelines has now been extended by up to three times.

Corvus’ AT6500 modules allow vessel system integrators and designers an alternative source of high energy, creating the opportunity to re‐design systems to reduce system complexity and costs throughout the vessel.  This commissioning represents a further commitment between Corvus and systems integrator Siemens in the pursuit of hybrid vessel projects around the world.


  • AT6500 Energy Storage Module

    AT6500 Energy Storage Module

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