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 Micro hydro is a type of hydroelectric power that typically produces from 5 kW to 100 kW of electricity using the natural flow of water. Installations below 5 kW are called pico hydro. These installations can provide power to an ...

, a type of hydroelectric power that typically produces from 5 kW to 100 kW of electricity using the natural flow of water *

Pico hydro Pico hydro is a term used for hydroelectric power generation of under 5 kW. These generators have proven to be useful in small, remote communities that require only a small amount of electricity for example, to power one or two fluorescent l ...

, a term used for hydroelectric power generation of under 5 kW *

Small hydro Small hydro is the generation of hydroelectric power on a smaller scale as compared to traditional large-scale hydro. Exact definitions vary by country, but small hydro power (SHP) projects are typically less than 50 megawatts (MW) and can be furt ...

, 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 Snowy Hydro Limited is an electricity generation and retailing company in Australia that owns, manages, and maintains the Snowy Mountains Hydro-electric Scheme that consists of nine hydro-electric power stations and sixteen large dams connected ...

Hydro Tasmania Hydro Tasmania, formerly the Hydro-Electric Commission (HEC), is a Tasmanian Government business enterprise which is the main electricity generator in Tasmania, Australia. Originally oriented towards hydro-electricity, owing to Tasmania's dr ...

Canada

Canadian Hydro Developers Canadian Hydro Developers, Inc. was a Canadian company that operated 12 hydroelectric power sites, eight wind power sites and one biomass power site in Canada. Canadian Hydro was founded by two brothers John and Ross Keating with Jack McCleary. I ...

(not specific to a province) * In Manitoba: **

Manitoba Hydro The Manitoba Hydro-Electric Board (), operating as Manitoba Hydro, is the electric power and natural gas public utility, utility in the province of Manitoba, Canada. Founded in 1961, it is a provincial Crown Corporation, governed by the Manitoba ...

Winnipeg Hydro Winnipeg Hydro is a former provider of electrical power for the city of Winnipeg, Manitoba, Canada. Winnipeg Hydro was established in 1906 as City Hydro. It was purchased by Manitoba Hydro in 2002. History Private electrical generators in t ...

, Manitoba * In Ontario: **

Hydro One Hydro One Limited is an Electric power transmission, electricity transmission and distribution Electric utility, utility serving the Provinces and territories of Canada, Canadian province of Ontario. Hydro One traces its history to the early 2 ...

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 Toronto Hydro Corporation is an electric utility that operates the electricity distribution system for the city of Toronto, Ontario, Canada. As of 2018, it serves approximately 772,000 customers and delivers approximately 19% of the electricity ...

* Specific to other provinces: **

BC Hydro The British Columbia Hydro and Power Authority, trade name, operating as BC Hydro, is a Canadian electric utility in the province of British Columbia. It is the main electricity distributor, serving more than 4 million customers in most areas, wi ...

, British Columbia **

Newfoundland and Labrador Hydro Newfoundland and Labrador Hydro (NL Hydro), commonly known as Hydro, is a provincial Crown corporation that manages the generation, transmission and distribution of electricity in Newfoundland and Labrador, as well as portions of Quebec and the ...

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 Norsk Hydro ASA (often referred to as just ''Hydro'') is a Norway, Norwegian aluminium and renewable energy company, headquartered in Oslo. It is one of the largest aluminium companies worldwide. It has operations in some 50 countries around th ...

, in Norway *

Scottish Hydro Electric Scottish Hydro-Electric (named North of Scotland Electricity between 1 April 1989 and 1 August 1989) was a public electricity supplier in the United Kingdom. It was listed on the London Stock Exchange and was once a constituent of the FTSE 100 ...

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 Hydro is a town in Caddo and Blaine counties in the U.S. state of Oklahoma. The population was 927 as of the 2020 United States census. History The town was founded on August 6, 1901. Built near the Choctaw, Oklahoma and Gulf Railroad, the se ...

, United States *

Hydro, Ontario Hydro is an unincorporated place and former railway point in geographic Barron Township in the Unorganized South Part of Nipissing District in northeastern Ontario, Canada. Hydro is located within Algonquin Provincial Park on Grand Lake on th ...

, Canada

Personal names

* "Hydro", professional wrestler

Jamar Shipman Jamar Shipman (born April 29, 1985), better known by the ring name Jay Lethal, is an American professional wrestler. He is signed to All Elite Wrestling (AEW). He is best known for his tenures in Ring of Honor (ROH), Total Nonstop Action Wrestl ...

Buildings

* Hydro, a term for a

hydropathic establishment Hydrotherapy, formerly called hydropathy and also called water cure, is a branch of alternative medicine (particularly naturopathy), occupational therapy, and physiotherapy, that involves the use of water for pain relief and treatment. The ter ...

, often preserved in the names of hotels that no longer offer the water cure *

Hydro Majestic Hotel The Hydro Majestic Hotel is located in Medlow Bath, New South Wales, Australia. The hotel is located on a clifftop overlooking the Megalong Valley on the western side of the Great Western Highway. The hotel is heritage listed and is notable fo ...

, New South Wales, Australia *

OVO Hydro The OVO Hydro is a multi-purpose indoor arena located within the Scottish Event Campus in Glasgow, Scotland. The arena was initially named The Scottish Hydro Arena after its main sponsor Scottish Hydro Electric. During construction, Scottish ...

, arena in Glasgow, Scotland