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Hydroelectric Power Production

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The world's primary regions for producing hydroelectricity at dammed river power plants

Global Energy Observatory
The map shows the distribution of some of the world’s major hydroelectric dams and power-generating stations. In North America, these facilities are found in Canada in British Columbia, Ontario, Quebec, and Labrador. In the United States, they are on major rivers in the Pacific Northwest (for example, the Columbia River), Arizona and Utah (on the Colorado River), and in the Northeast in New York (on the Niagara River between United States and Canada) and New England. In South America, dams generate hydro power in Venezuela, Colombia, Brazil (particularly on the Paraná River and its tributaries), and in Argentina on the Rio de la Plata and on rivers that flow from the Andes mountains. In Europe, major hydroelectric facilities are found in Portugal, Norway, France, Switzerland, Ukraine (on the Dnieper River), and in Russia (on the Volga and on rivers in Siberia, which is in Asia). In Africa, these facilities have been constructed on the Nile River in Egypt, Sudan, and Ethiopia and between Zambia and Zimbabwe on the Zambesi River. In Southwest Asia, hydroelectric dams generate power on the Euphrates River in Turkey, the Tigris in Iraq, and Iran’s Zagros Mountains. In Central Asia, Tajikistan has a hydroelectric dam. In South Asia, dams have been constructed on rivers in northern Pakistan; in India on rivers in Kashmir in the north as well as in several places in central and southern India; and in Bhutan. In Southeast Asia, these facilities are found in Laos and Vietnam and in Indonesia on the islands of Java and Borneo. In East Asia, southwestern and central China have numerous hydroelectric dams, and there are also a few in northern China. Japan has a major hydroelectric dam between Tokyo and Osaka. The map does not show any hydropower production for Oceania.
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Hydroelectric Power Production

Principal Aquifers

Hydroelectric Power Production

Consolidated rock aquifers

Combination aquifers

Productive aquifers

Massachusetts
1
Arizona
15.15%
Utah
2.03%
Yukon
83.0%
Northwest Territories
37.6%
District of Columbia
55.6%
Florida
25.3%1.48%
Idaho
1.85%6.13%
Washington
11.17%
Wyoming
3.58%
Nunavut
2.51%
Montana
1.34%
North Dakota
3.00%6.69%
Kentucky
8.30%
Nova Scotia
29.2%
Virginia
18.27%
Delaware
98.6%
Prince Edward Island
77.5%
Saskatchewan
11.0%
Mississippi
99.6%
West Virginia
1.96%
Nebraska
75.9%
Texas
27.0%
Missouri
56.4%
Louisiana
98.6%
North Carolina
7.59%
Oregon
11.21%1.53%
New Brunswick
50.2%
Alabama
4.32%
New Mexico
4.90%2.15%
Kansas
1.62%5.11%
Wisconsin
12.5%1.43%
British Columbia
159.8%
Newfoundland and Labrador
15.25%
New Jersey
58.8%
South Carolina
130.0%2.54%
Michigan
116.1%16.3%
Alberta
6.33%
Connecticut
12.14%
Pennsylvania
111.6%
Colorado
2.33%2.58%
Nevada
1.63%2.87%
Georgia
12.57%17.9%
New York
13.15%
Maryland
34.3%
Québec
11.02%
Manitoba
12.62%
Oklahoma
1.97%2.69%
Tennessee
117.6%
Ontario
15.05%
California
14.23%1.35%
Arkansas
15.9%
South Dakota
10.3%6.62%
Ohio
15.0%
Indiana
11.6%
Minnesota
2.27%3.62%
Iowa
2.05%
Illinois
33.0%3.68%
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