Technology group Wärtsilä has been contracted by Swedish ferry operator Stena Line to carry out and convert some of its vessels to operate with methanol fuel. The conversions will include the fuel supply system and engine modifications, as well as integrating the new installations with the ships’ existing systems. The contracts were booked as order intake by Wärtsilä in June 2023.

Converting ferries for methanol fuel will enable them to be compliant with various existing and upcoming regulations, including the Carbon Intensity Indicator (CII), FuelEU Maritime, and IMO 2050 GHG reduction target.

As we continue to implement our strategy to decarbonise all our operations, we see methanol as a viable alternative fuel that will help us achieve this ambition. Wärtsilä has proven its capabilities to carry out the necessary conversions. This was shown eight years ago when they converted the Stena Germanica [earlier post] to operate with methanol, and our experience from this ground-breaking innovation has been very positive.

—Ian Hampton of Stena Line

The full scope of Wärtsilä’s supply package will include fuel tank instrumentation and valves, transfer pumps, low pressure pump skid, fuel valve trains, Methanol Fuel Pump Units and the automation of the system, engine conversions, and automation upgrade for the engine control room.

The conversions are scheduled to take place in 2025.