A conventional dammed-hydro facility (hydroelectric dam) is the most common type of hydroelectric power generation.
• Conventional hydroelectric, referring to hydroelectric dams.
• Run-of-the-river hydroelectricity, which captures the kinetic energy in rivers or streams, without the use of dams.
• Small hydro projects are 10 megawatts or less and often have no artificial reservoirs.
• Micro hydro projects provide a few kilowatts to a few hundred kilowatts to isolated homes, villages, or small industries.
• Conduit hydroelectricity projects utilize water which has already been diverted for use elsewhere; in a municipal water system for example.