The production of clean energy from the nature sources is important feature to conserve the environment and to enhance the infrastructure development of a country. The study focused on the Mosul Dam area to build effective system of hydropower production energy based on the analysis of the parameters that impact the water storage in the reservoir behind the dam and the weather conditions. The study took the data of average monthly flow toward the dam then processed the upstream area using ArcGIS Pro program to analyze the geological formation of the area. The study used the equation of power production to find the variation in the power production based on the water level of water behind the dam. Number of effective graphs were built and showed by the study to explain the matter of electrical generation to ease the management of these line. The study showed the power production as Mega Watt per unit of inlet turbines discharge. The study found that about 0.5 Mega Watt per one-unit discharge can be reached with 70 % efficiency of the turbines system.