The given paper describes a new method of increasing the efficiency of photovoltaic (PV) systems, such as perturbation and observation (PO) algorithm and nanofluid cooling processes. The main goal is to generate additional power and preserve the impact of thermal control. The study uses PO algorithm that is a typical MPPT algorithm to determine the maximum power point (MPP) of the PV module. The method can be facilitated by balancing the operating voltage by keeping the operating voltage constant and observe the generated power, until the MPP is reached. Nanofluids (containing nanoparticles) exhibit a greater thermal conductivity as compared to normal coolants. Dispersions of nanofluids in the PV cooling system enhance warming to the PV cooling system, lower the working temperature and improvement of the power conversion efficiency. This method has proven to be effective in the experimentation. The results of PO algorithm using nanofluid cooling (reduction of operating temperatures, increase of the power output) when compared with the conventional cooling and standard MPPT systems. The research makes an immense contribution to the existing literature in the photovoltaic (PV) technology and could be very significant in planning and implementation of renewable energy solutions infrastructure in the future

solar , energy, efficiency, cooling , MPPT