In this study, two different energy sources that are connected to a pumped storage water supply system are analyzed: a water and a wind turbine. A water turbine can be integrated in a water supply system in high-pressure locations. Recently, new sources of energy production are being researched and applied due to the increase in the price of conventional energy sources and concerns regarding the damage to the environment caused by their pollutants. On the other hand, water supply systems have equipment that consumes a great deal of energy, such as water and wastewater pumping stations and treatment plants. Energy efficiency that is based on multi-criterion optimization of pump-storage/hydro/wind power management methodology has been developed to analyze the economic viability of a pumping drinking water system that may or may not be connected to a wind turbine or a small hydro whenever excess available head is present.

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