Investigation and analysis of energy production effect faactors given according to feasibility study in the medium capacity hydroelectric power plants

In this study, medium capacity hydroelectric power plant class was investigated and Yumrutepe HES case was studied in this power plant class. For this purpose, the effects of parameters, such as energy generation realized of Yumrutepe hydroelectric power plant, monthly average partial pressure, temperature, relative humidity, rainfall and the mass flow rate of water passing through turbines, on the efficiency and capacity factor of the Hydroelectric power plant was calculated between 2018-2019 years. The data produced by these parameters were compared with the data in the feasibility study of the Yumrutepe hydroelectric power plant and investigated. These parameters were found to be very effective, and according to these results the highest real energy production was achieved in March with 5932 MW and the lowest actual energy production was in September with 782 MW. When the efficiency of energy production is analyzed, it is calculated that the most production is in December, not in March in 2018. Thus, it was concluded that high energy production in the hydroelectric power plant generally does not create much efficiency. It was found that the capacity factor, which is known to decrease the production cost per kWh with the increase, has the highest value in March with 55% and the lowest in September with 7%. Thus, it has been proved that energy factor and change of capacity factor is directly proportional. Keywords: Medium capacity Hydroelectric power plant, hydropower enegry production, energy efficiency, capacity factor, Yumrutepe HES