The waste heat recovery power plant recovers heat from the process and high-temperature exhaust gas discharged from various plants, and generates electric energy. the system is being used to recover waste heat widely in cement plants but also at steel-making and non-ferrous smelting plants, sponge iron plants, glass furnaces, petroleum refineries, paper mills and Chemical industries etc. unit cost of electricity generated from waste heat recovery power plants are very cheap because of no additional fuel cost.