Significance of Renewable Energy in Water Management and Irrigation

New, sustainable, eco-friendly, and renewable energy-based resources are employed to generate water supply and irrigation services in developing nations. Solar energy, wind turbines, hydroelectric power plants, biomass energy, and geothermal energy provide a reliable alternative to fossil fuels, efficiently use water, and significantly reduce farming expenses. This chapter focuses on innovative and eco-friendly irrigation water delivery methods. In solar water pump systems, photovoltaic power is generated by hydrogel-based solar panels. Photovoltaic cells capture photons from the sun and transform them into electrical energy, which powers a motor that pumps out clean water. Water-pumping windmills like the ones shown here can be installed in isolated, windy places where other standard water-pumping methods are impractical. Mechanical wind water pumps use wind turbine generators to supply water to cattle, land drainage, fish farming, and agricultural irrigation. Most geothermal fields are found in rural developing areas with active agriculture, making them a suitable match to cut the cost of irrigation water transportation. Most geothermal sites are found in rural developing areas with active agriculture, making them an ideal match to reduce the cost of irrigation water transportation. After desalinating ionic water, geothermal energy can be directly used for drying crops and aquaculture farms. Slow pyrolysis of lignin-based bioenergy crops such as sorghum, sugarcane, reed canary grass, and others produces charcoal, water, and heat, hence improving soil quality. Geothermal energy can be directly used for drying crops and aquaculture farms after desalinating ionic water. Slow pyrolysis of lignin-based bioenergy crops such as sorghum, sugarcane, reed canary grass, etc., produces biochar, water, and heat, enhancing soil quality. Despite the hefty price, green hydrogen helps decarbonize the economic system and enhances the availability of pure water in aridArid agricultural lands. The new advancements and challengesChallenges of using renewable energy-based water supply for irrigation are covered in this chapter.