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Hydropower (from Ancient Greek ὑδρο-, "water"), also known as water power, is the use of falling or fast-running water to produce electricity or to power machines. This is achieved by converting the gravitational potential or kinetic energy of a water source to produce power. [1] Hydropower is a method of sustainable energy production.
Carrigadrohid hydroelectric power station is a hydroelectric plant located on the River Lee in County Cork, Ireland.It is owned and operated by the ESB Group.The dam is 130 m (427 ft) long and has a single 8 MW (11,000 hp) Kaplan turbine which produces an average of 22 GWh (79 TJ) each year.
small hydropower plants (SHP) and; large hydropower plants (LHP). The classification of a plant as an SHP or LHP is primarily based on its nameplate capacity, the threshold varies by the country, but in any case a plant with the capacity of 50 MW or more is considered an LHP. [28] As an example, for China, SHP power is below 25 MW, for India ...
The Hoover Dam in Arizona and Nevada was the first hydroelectric power station in the United States to have a capacity of at least 1,000 MW upon completion in 1936. Since then numerous other hydroelectric power stations have surpassed the 1,000 MW threshold, most often through the expansion of existing hydroelectric facilities.
The dam is 181 m (594 ft) high, 2,335 m (7,661 ft) long and 115 m (377 ft) in width. Power is generated by 32 turbines rated at 700 MW, and two turbines rated 50 MW, which are used to power the facility itself. Construction of this dam commenced in 1994, and was completed in 2012, nearly two decades after it started.
Only plants with capacity larger than 3,000 MW are listed. The Three Gorges Dam in Hubei, China, has the world's largest instantaneous generating capacity (22,500 MW), with Baihetan Dam from the same nation in second place with a capacity of (16,000 MW). The Itaipu Dam in Paraguay/Brazil is the third largest with
Historical examples include the Usoi Dam in Tajikistan, which blocks the Murghab River to create Sarez Lake. At 560 m (1,840 ft) high, it is the tallest dam in the world, including both natural and man-made dams. A more recent example would be the creation of Attabad Lake by a landslide on Pakistan's Hunza River.
The dam is 660 feet (200 m) long, 300 feet (91 m) high and was built between 1924 and 1927. The dam includes three conventional hydroelectric generating units totaling 32 megawatts (MW) and a pumped-storage unit with a capacity of 97 MW. The dam and associated infrastructure were listed on the National Register of Historic Places in 2017.