Hydro (from ) may refer to:

Energy technologies

* Water-derived power or energy: **

Hydropower Hydropower (from Ancient Greek -, "water"), also known as water power or water energy, is the use of falling or fast-running water to Electricity generation, produce electricity or to power machines. This is achieved by energy transformation, ...

, derived from water **

Hydroelectricity Hydroelectricity, or hydroelectric power, is Electricity generation, electricity generated from hydropower (water power). Hydropower supplies 15% of the world's electricity, almost 4,210 TWh in 2023, which is more than all other Renewable energ ...

, in electrical form * "Hydro", AC

mains electricity Mains electricity, utility power, grid power, domestic power, wall power, household current, or, in some parts of Canada, hydro, is a general-purpose Alternating current, alternating-current (AC) electric power supply. It is the form of electri ...

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

Utilities

Australia

* Snowy Hydro * Hydro Tasmania

Canada

* Canadian Hydro Developers (not specific to a province) * In Manitoba: ** Manitoba Hydro ** Winnipeg Hydro, Manitoba * In Ontario: ** Hydro One **

Ontario Hydro Ontario Hydro, established in 1906 as the Hydro-Electric Power Commission of Ontario, was a publicly owned electricity utility in the Province of Ontario. It was formed to build transmission lines to supply municipal utilities with electricity ge ...

** Hydro Ottawa ** Toronto Hydro * Specific to other provinces: ** BC Hydro, British Columbia ** Newfoundland and Labrador Hydro **

Hydro-Québec Hydro-Québec () is a Canadian Crown corporations of Canada#Quebec, Crown corporation public utility headquartered in Montreal, Quebec. It manages the electricity generation, generation, electric power transmission, transmission and electricity ...

Europe

* Norsk Hydro, in Norway * Scottish Hydro Electric

Other uses

Hydro (fuel-station chain) Hydro was a chain of fuel stations throughout Sweden owned by Statoil. The chain had more than 500 stations, as well as some unmanned Uno-X stations. The company also operated in retailing natural gas, electricity and heating oil. History The H ...

, in Sweden * SF ''Hydro'', former Norwegian railway ferry

Places

* Hydro, Kentucky, United States * Hydro, Oklahoma, United States * Hydro, Ontario, Canada

Personal names

* "Hydro", professional wrestler Jamar Shipman

Buildings

* Hydro, a term for a hydropathic establishment, often preserved in the names of hotels that no longer offer the water cure * Hydro Majestic Hotel, New South Wales, Australia * OVO Hydro, arena in Glasgow, Scotland