Before revision: Thermal energy and hydroelectric power station There is high potential of alternative energy sources in Azerbaijan, and perspectives on especially the creation of wind, solar, and small hydroelectric power stations: Thermal and Hydroelectric power stations are more important to cover Azerbaijan's energy needs.
After revision: smallThermal energy and hydroelectric power station There is high potential of alternative energy sources in Azerbaijan, and perspectives on especially the creation of wind, solar, and small hydroelectric power stations: Thermal and Hydroelectric power stations are more important to cover Azerbaijan's energy needs.