The Andijan Dam is a
buttress dam A buttress dam or hollow dam is a dam with a solid, water-tight upstream side that is supported at intervals on the downstream side by a series of buttresses
A buttress is an architectural structure built against or projecting from a wall whic ...
on the river
Kara Darya
The Kara Darya ( ky, Кара-Дарыя, Kara-Daryya, قارا-دارىيا; uz, Qoradaryo, ''Қорадарё'', قارەدەريا , russian: Карадарья, Karadar'ya - literally ''black river'')''Darya'' means "river", so Kara Darya '' ...
near
Andijan
Andijan (sometimes spelled Andijon or Andizhan in English) ( uz, Andijon / Андижон / ئەندىجان; fa, اندیجان, ''Andijân/Andīǰān''; russian: Андижан, ''Andižan'') is a city in Uzbekistan. It is the administrative, ...
in
Andijan Region
Andijan Region ( Uzbek: Andijon viloyati/Андижон вилояти, ئەندىجان ۋىلايەتى, russian: Андижанская область) is a region of Uzbekistan, located in the eastern part of the Fergana Valley in far easte ...
,
Uzbekistan
Uzbekistan (, ; uz, Ozbekiston, italic=yes / , ; russian: Узбекистан), officially the Republic of Uzbekistan ( uz, Ozbekiston Respublikasi, italic=yes / ; russian: Республика Узбекистан), is a doubly landlocked co ...
. Its reservoir covers and stretches into neighboring
Osh Region
Osh Region ( ky, Ош облусу, translit=Osh oblusu; russian: Ошская область, Oshskaya oblast) is a region (''oblast'') of Kyrgyzstan. Its capital is Osh, which is not part of the region. It is bounded by (clockwise) Jalal-Abad R ...
,
Kyrgyzstan
Kyrgyzstan,, pronounced or the Kyrgyz Republic, is a landlocked country in Central Asia. Kyrgyzstan is bordered by Kazakhstan to the north, Uzbekistan to the west, Tajikistan to the south, and the People's Republic of China to the ea ...
. The dam serves several purposes to include
irrigation
Irrigation (also referred to as watering) is the practice of applying controlled amounts of water to land to help grow crops, landscape plants, and lawns. Irrigation has been a key aspect of agriculture for over 5,000 years and has been dev ...
in the
Fergana Valley
The Fergana Valley (; ; ) in Central Asia lies mainly in eastern Uzbekistan, but also extends into southern Kyrgyzstan and northern Tajikistan.
Divided into three republics of the former Soviet Union, the valley is ethnically diverse and in the ...
and
hydroelectric power production. Water released from the dam can enter a canal on either side of the river downstream. The dam has two power stations located at its base, Andijan 1 and Andijan 2. The former contains four 35 MW turbine-generators and the latter contains two 25 MW
Francis turbine-generators for a total installed capacity of 190 MW. Construction on the dam began in 1969 and the generators in Andijan 1 were commissioned between 1974 and 1984. Construction on Andijan 2 began in 2007 and it was commissioned on 2 September 2010. It cost US$28.5 million of which US$15.93 million was supplied by the
Exim Bank of China
The Export–Import Bank of China (Chexim - China Exim Bank) () is one of two institutional banks in China chartered to implement the state policies in industry, foreign trade, economy, and foreign aid to other developing countries, and pr ...
.
The artificial lake created by this dam is the Andijan Reservoir (also: ''Kampyrravat Reservoir'' or ''Karadarya Reservoir''). It is fed by the Kara Darya and its tributaries
Kurshab and
Jazy.
References
{{stack, {{Portal, Uzbekistan, Water, Renewable energy
Dams in Uzbekistan
Buttress dams
Dams completed in 1984
Dams in the Aral Sea basin
Hydroelectric power stations built in the Soviet Union
Hydroelectric power stations in Uzbekistan
Andijan Region
Osh Region
Energy infrastructure completed in 1984
Energy infrastructure completed in 2010