Abstract—The prospect of the decentralized combined cycle gas turbine-combined heat and power plant (CCGT-CHPP) creation for energy supplying of the city’s neighborhoods, which are located far from centralized CHPP, is described. The new type of CCGT-CHPP is suggested with waste-heat boiler with mean steam parameters and afterburner chamber placed between its evaporation stages. Fuel afterburning influence on the electric and heat power and increasing and electric energy output on the heat source increasing is shown.