Yao et al. suggested improvement suggestions for the each component of the CCPP system constructed in a steel production factory [23]. Differently from the literature, in this paper the performance analysis of an operating CCPP, whose system design is modified and converted from gas turbine power plant to CCPP, is conducted with the actual operating data taken from the power plant. Also the calculations of exergy efficiency and exergy destruction of the each component are carried out and improvement suggestions are made.