Hydropower is the power that is harnessed from the energy of water that is falling or fast running. It is a form of renewable energy source that is used for irrigation, for operating mechanical devices like textile mills, sawmills, domestic lifts and ore mills. It is also used for generating electricity. Hydropower projects can be of various types, such as small hydro, micro hydro, conduit hydroelectricity projects, conventional hydroelectric, pumped-storage hydroelectricity, etc. This book unfolds the innovative aspects of hydropower and hydropower technologies, which will be crucial for the holistic understanding of the subject matter. It studies, analyzes and upholds the pillars of hydropower and its utmost significance in modern times. The book is appropriate for those seeking detailed information in this area.