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In order to mitigate the impact of the intermittent nature of renewable energy sources on the safe and secure operation of the power grid, and to enhance energy efficiency, the application of energy storage systems is a preferred solution that received much attention in many countries. This paper presents a strategy for managing and controlling the charging and discharging modes of a battery storage system based on ensuring the load requirements for consumers who have installed rooftop photovoltaic (PV) systems. The control algorithm is simulated to implement the charging mode of the battery during surplus solar power periods and off-peak hours, and the discharging mode of the battery during peak hours to reduce electricity costs for households and level the load profile. Simulation results show that, the payment of electricity has been significantly reduced which confirms the efficiency of the proposed algorithm. [ABSTRACT FROM AUTHOR]