The optimal hybrid system for a telecom tower in Nigeria combines 8 kW PV, 5. 5 kW diesel, and 64 batteries. 5% compared to traditional diesel. To analyse the savings in operational expenditure (OPEX) and the amount of green house gas emissions curbed by using this hybrid system over the conventional diesel generator that is being used currently. Different energy combinations have been analyzed using HOMER 2. Methods: Wind speed and solar irradiance data for Yola.