List of the largest hydroelectric power stations

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This article provides a list of the largest hydroelectric power stations.

The Three Gorges Dam project in Hubei, China, is the world's largest hydroelectric generating system. It includes 2 generating stations. They are the Three Gorges Dam (22,500 MW when completed) and Gezhouba Dam (3,115MW). The total generating capacity of this complex is currently at 18,615 MW. The whole project is planned to be completed in 2011. The total generating capacity will be 25,615 MW by then.

Three Gorges Dam (left), Gezhouba Dam (right).
Three Gorges Dam (left), Gezhouba Dam (right).

The Jinsha River (the upper stream of Yangtze River) complex is the largest hydroelectric generating system currently under construction. It has 3 phases. Phase one includes 4 dams on the downstream of Jinsha River. They are Wudongde Dam, Baihetan Dam, Xiluodu Dam, and Xiangjiaba Dam, with generating capacity of 7,400 MW, 12,500 MW, 12,600 MW, and 6,000 MW respectively. The total generating capacity of those four dams is 38,500 MW. Construction of Xiluodu Dam started on December 26 2005. Construction of Xiangjiaba Dam started on November 26 2006. Phase one is planned to complete in 2015. Phase two includes 8 dams on the middle stream of Jinsha River. The total generating capacity is 21,150 MW. Phase three includes 8 dams on the upper stream of Jinsha River. The total generating capacity is 8,980 MW. The total capacity of the complex is 68,630 MW.

The James Bay Project in Quebec, Canada, is the world's second largest hydroelectric generating system. The eight generating stations of the complex have a total generating capacity of 16,021 MW. The Robert Bourassa station alone has a capacity of 5,616 MW. A ninth station (Eastmain-1) is currently under construction and will add 480 MW to the total. Construction on an additional project on the Rupert River was started on 11 January 2007. It will add two stations with a combined capacity of 888 MW.[citation needed]

Name Country Year of completion Total Capacity (MW) Max annual electricity
production (TW-hour)
Area flooded (sq km)
1 Three Gorges Dam China 2009* 15,500 (December 2007); 22,500 (when complete) >100 632
3 Itaipu Brazil/Paraguay 1984/1991/2003 14,000 103.45 1,350
4 Guri (Simón Bolívar) Venezuela 1986 10,200 46 4,250
5 Tucuruí Brazil 1984 7,960 21
6 Grand Coulee United States 1942/1980 6,809 22.6
7 Sayano Shushenskaya Russia 1985/1989 6,400 26.8
8 Krasnoyarskaya Russia 1972 6,000 20.4 2,000
9 Robert-Bourassa Canada 1981 5,616
10 Churchill Falls Canada 1971 5,429 35
11 Bratskaya Russia 1967 4,500 22.6
12 Ust Ilimskaya Russia 1980 4,320 21.7
2 Yaciretá Argentina/Paraguay 1998 4,050 19.2 1,600
13 Tarbela Dam Pakistan 1976 3,478
14 Ertan Dam China 1999 3,300 (550×6) 17.0
15 Ilha Solteira Dam Brazil 1974 3,200
16 Xingó Brazil 1994/1997 3,162
17 Gezhouba Dam China 1988 3,115 17.01
18 Nurek Dam Tajikistan 1979/1988 3,000
19 La Grande-4 Canada 1986 2,779
20 W. A. C. Bennett Dam Canada 1968 2,730
21 Chief Joseph Dam United States 1958/73/79 2,620
22 Volzhskaya (Volgogradskaya) Russia 1961 2,541 12.3
23 Niagara Falls United States 1961 2,515
24 Paulo Afonso IV Dam Brazil 1955 2,462
25 La Grande-3 Canada 1984 2,418
26 Atatürk Dam Turkey 1990 2,400
27 Zhiguliovskaya (Samarskaya) Russia 1957 2,300 10.5
28 Iron Gates-I Romania/Serbia 1970 2,216 13
29 Caruachi Venezuela 2006 2,160 12.95
30 John Day Dam United States 1971 2,160
31 La Grande-2-A Canada 1992 2,106
32 Aswan Egypt 1970 2,100
33 Itumbiara Brazil 1980 2,082
34 Hoover Dam United States 1936/1961 2,080
35 Cahora Bassa Mozambique 1975 2,075
36 The Dalles Dam United States 1981 2,038
37 Karun I Dam Iran 1976 2,000
38 Karun II Dam Iran 2001 2,000
39 Karun III Dam Iran 2007 2,000 4.1
40 Lijiaxia Dam China 2000 2,000

* Powered first 21 water turbogenerators

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