Sandeep Kumar, Om Prakash Tiwari, Anil Yadav. This communication presents thermodynamic methodology for the performance evaluation of combustion gas turbine cogeneration system. The energetic and exergetic efficiencies have been defined. The effects of process steam pressure and pinch point temperatu. IJAERD [Internet]. 2018 Jun. 25 [cited 2025 Jul. 6];5(6):423-30. Available from: https://ijaerd.org/index.php/IJAERD/article/view/5168