Hydropower makes use of kinetic energy of flowing water usually from dams to rotate turbines and generate electricity. Bioenergy utilizes various forms of biomass including agricultural and forest residues, biogas, biodiesel etc. to produce heat and power. Geothermal energy taps thermal energy generated and stored in the earth to provide heating and electricity. https://www.feedsfloor.com/other/green-energy-market-primed-attain-greater-heights-backed-widening-acceptance