Wartsila has announced that it will supply an integrated solution for two dual-fuel liquefied natural gas (LNG) Ro-Pax passenger ferries being built on behalf of Canadian ferry services provider Société des traversiers du Québec (STQ).

The contract was issued in August by Chantier Davie Canada (Davie), Canada's largest shipyard, the builder of the two vessels.

For each of the two vessels, the contract includes the supply of 20 DF engines, LNGPac fuel storage and treatment system, electrical power and  automation systems, and control and communications center (3C), and the bridge control, navigation, and communication control system. Wartsila will also provide the yard with site management and commissioning services.

The Ro-Pax ferries will operate on LNG fuel. However, the dual-fuel engine technology allows a seamless switch to other fuels should it be necessary.

The two Ro-Pax double ended passenger ferries are each capable of accommodating 432 passengers and eight crew members, and offer various capacity combinations for up to 115 car equivalent units or 16 tractor semi-trailers. They will operate throughout the year between Tadoussac and Baie-Sainte-Catherine on the Saguenay River in Québec, Canada and are scheduled to start service in 2015.