In this paper a methodology has been developed for optimum planning of hybrid PV, Wind and diesel generator system with some battery backup in Kirkuk Technical College in Iraq. The local solar radiation, wind data and components database from different manufactures are analyzed and simulated in HOMER model to assess the technical and economic viability of the integrated system. Performance of each component was evaluated and sensitivity analysis was performed to optimize the system at different conditions. Optimal hybrid model has been selected on the basis of cost associated with the system and reliability using HOMER. The optimal cost of energy from the proposed hybrid system is (0.154 $/ kWh.). Comparison was also made with the cost per kilowatt hour from the National grid.