Corvus Energy was appointed by Wärtsilä to supply energy storage systems (ESS) for three new hybrid Ro-Ro ferries for Finnlines.

The Finnish ferry operator, with a fleet of 20 ships, is part of Italy’s Grimaldi Group.

Finnlines stressed that the three ships will be the most modern and ecological Roll-on/Roll-off (Ro-Ro) ships in the world. The ships will be 238 meters long and have a 34 meter beam, a capacity of 5,800 meters of rail and more than 5,000 square meters of vehicle decks.

In addition to Wärtsilä’s hybrid energy conversion system that includes Corvus ESS, it will have energy-efficient engines, exhaust gas scrubbers and an air-lube system to reduce hull resistance.

The hulls are similar to those of the “Grimaldi Green 5th Generation” vessels, but are customized for Finnlines to meet its heavy load and cold weather operation requirements with the highest Finnish/Swedish ice class.

Roger Rosvold, Senior Vice President of Sales at Corvus Energy, said “Finnlines is at the absolute forefront when it comes to innovation and sustainable operations. They have invested heavily in technology to ensure that all of their vessels reduce emissions. Combined with a range of operational measures such as scheduling and route optimisation, as well as speed, load and trim optimisation, Finnlines continues its progress towards sustainable operation of its fleet operations.

The ships will be built at the shipyard in Nanjing and are expected to be delivered in 2021 for operation in the Baltic Sea.