The 1 MW PRODE phosphoric acid fuel cell power plant is going to be completed in Milan, and it will represent the first demonstration plant of this size in Europe. The power plant is fed with natural gas and is able to operate both stand alone and grid connected conditions. The detailed design and components procurement were concluded satisfactorily, as well as, the licensing activities and the site preparation. Installation of the plant is under way, process and control tests will be performed during 1992. A 2-year test period is scheduled starting from 1993. Experimental activities were conducted to verify the design of the air process system and of the GTO inverter.