PAFC have been used for stationary power generators with output in the 100 kW to 400 kW range and they are also finding application in large vehicles such as buses.[5]
Major manufacturers of PAFC technology include Doosan Fuel Cell America Inc. [6] (formerly ClearEdge Power & UTC Power[7]) and Fuji Electric.
India's DRDO has developed PAFC for air independent propulsion for integration their Kalvari class submarines. [8][9]