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Hoover Dam's initial 1,345 MW power station was the world's largest hydroelectric power station in 1936; it was eclipsed by the 6,809 MW Grand Coulee Dam in 1942. [20] The Itaipu Dam opened in 1984 in South America as the largest, producing 14 GW , but was surpassed in 2008 by the Three Gorges Dam in China at 22.5 GW .
The main purpose of the dam is hydroelectric power production and navigation. It is the first large-scale hydroelectric project in the Brazilian Amazon rainforest. The installed capacity of the 25-unit plant is 8,370 megawatts (11,220,000 hp). Phase I construction began in 1980 and ended in 1984 while Phase II began in 1998 and ended in 2010.
The Three Gorges (22,500 MW - 32 × 700 MW and 2 × 50 MW) is operated jointly with the much smaller Gezhouba Dam (2,715 MW), the total generating capacity of this two-dam complex is 25,215 MW. The Itaipu on the Brazil–Paraguay border has 20 generator units with overall 14,000 MW of installed capacity, however the maximum number of generating ...
The project was conceived on 1 July 2001 and approved on 8 June 2005, and construction began on 23rd Sept, 2006. The project involved construction of a 57-high m (187 ft) concrete dam with five spillway blocks of 13 m (43 ft) each having ogee profile. The dam is 247.9m in length. [1] It was officially completed and open in August 2014. [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 dams and generating station are part of a huge hydroelectric complex with four dams that was launched in 2009 under the government of Jean Charest. [2] At maximum level, the Romaine-3 reservoir area is 38.6 square kilometres (14.9 sq mi). The drawdown level is 13 metres (43 ft). [3]
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The Hòa Bình Dam on the Black River (Vietnamese: Sông Đà) is the largest hydroelectric dam in Vietnam from 1994 to 2012 (this record was broken by Sơn La Dam), and one of the largest in Southeast Asia, with a generating capacity of 1,920 MW. [1] [2] The Sông Đà Reservoir, with a capacity of 9 billion m 3 was formed as the river was ...