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Multi-use dams installed for irrigation support agriculture with a relatively constant water supply. Large hydro dams can control floods, which would otherwise affect people living downstream of the project. [46] Managing dams which are also used for other purposes, such as irrigation, is complicated. [2]
The Three Gorges Dam in China; the hydroelectric dam is the world's largest power station by installed capacity. A hydropower resource can be evaluated by its available power. Power is a function of the hydraulic head and volumetric flow rate. The head is the energy per unit weight (or unit mass) of water. [5]
The citizens of Sturgis passed a bond for a cost of $190,000 (equivalent to $4.61 million in 2023 [2]) for the construction of the dam by a vote of 779 to 47. [3] Construction for the dam started in 1909 and the dam started producing power on September 3, 1911. Today the plant produces less than 4% of the city's electrical needs.
The dam impounds the Green River near Dutch John, Utah. Portions of the reservoir spill over into Southern Wyoming near the city of Green River. Completed in 1964, the dam provides water storage and hydroelectric generation, as well as flood control on the Green River, the primary tributary to the Colorado.
Despite the large difference in installed capacity between Three Gorges Dam and Itaipu Dam, they generate nearly equal amounts of electrical energy during the course of an entire year - Itaipu 103 TWh in 2016 [1] and Three Gorges 111.8 TWh in 2020, [2] because the Three Gorges experiences six months per year when there is very little water ...
The construction and management of hydroelectric dams, such as the WAC Bennett Dam, Site C Dam, and the Peace RiverCanyon Dam, have significantly impacted beaver populations. For instance, the release of water from those dams disrupts the beaver’s habitats by washing away their food sources and dams downstream. [52]
Hundreds of rescuers dug through slushy debris and fast-flowing, icy water Friday in a search for survivors after a glacial lake overflowed and burst through a dam in India's Himalayan north, a ...
The amount of hydroelectric power generated is strongly affected by changes in precipitation and surface runoff. [4] Hydroelectric stations exist in at least 34 US states. The largest concentration of hydroelectric generation in the US is in the Columbia River basin, which in 2012 was the source of 44% of the nation's hydroelectricity. [5]