Danbury-based FuelCell Energy has bought a facility from Dominion Energy for $35.4 million.  The deal is for a 14.9 megawatt fuel cell park in Bridgeport.  FuelCell Energy developed, constructed and commissioned the facility in December of 2013. Since its commissioning, FuelCell Energy has operated and maintained the plant under a service agreement with Dominion Energy.  FuelCell Energy will own and operate the plant as part of its generation portfolio.  The Connecticut Green Bank provided additional supporting capital.