Hydro

Hydro (from ) may refer to:

== Energy technologies == Water-derived power or energy: Hydropower, derived from water Hydroelectricity, in electrical form "Hydro", AC mains electricity in parts of Canada Micro hydro, a type of hydroelectric power that typically produces from 5 kW to 100 kW of electricity using the natural flow of water Pico hydro, a term used for hydroelectric power generation of under 5 kW Small hydro, the development of hydroelectric power on a scale suitable for local community and industry, or to contribute to distributed generation in a regional electricity grid