Introduction -- Photovoltaic water pumping systems concept -- Modeling of photovoltaic water pumping systems -- Intuitive and numerical sizing methods for photovoltaic water pumping systems -- Artificial intelligence techniques for sizing photovoltaic water pumping system -- A feasibility and load sensitivity analysis of a photovoltaic water pumping system with a battery and a diesel generator -- Photovoltaic pumping system for water treatment of artificial bonds in agriculture fields -- Environmental and social impact assessment methodology of megascale photovoltaic water pumping systems.