In MATLAB, energy management of a hybrid power system comprising photovoltaic (PV) panels, wind turbines, diesel generators, and batteries involves designing and implementing control algorithms to optimize the utilization of available energy sources while meeting the energy demand of connected loads. The system integrates renewable energy sources like PV panels and wind turbines with conventional diesel generators and energy storage systems such as batteries to ensure reliable and cost-effective power supply. MATLAB provides tools for modeling the behavior of PV panels, wind turbines, diesel generators, batteries, and loads, as well as for developing control strategies to prioritize energy sources, manage charging and discharging of batteries, and maintain system stability. Engineers can use MATLAB to simulate different operating scenarios, evaluate the performance of various energy management strategies, and optimize the operation of the hybrid system to achieve goals such as reducing fuel consumption, minimizing emissions, and enhancing system reliability. By leveraging MATLAB for energy management in PV-wind-diesel generator-battery systems, engineers can design efficient and sustainable power systems suitable for remote or off-grid locations.