The WFC20 alpha-prototype is the first SOFC power unit ever build in Finland and one of the first units based on planar SOFC technology in the given power range in the world, says Wärtsilä.

The company has been developing fuel cell technology for decentralized power generation and marine applications since the year 2000. Operation of a 5 kW SOFC test system in 2004 provided results as a reference point for the WFC20 alpha-prototype, an integrated power unit that uses natural gas as fuel. The cell and stack technology used in the unit is based on the planar SOFC technology developed by Wärtsilä’s long-term collaboration partner, Topsøe Fuel Cell A/S (TOFC).