|This article may be expanded with text translated from the corresponding article in the Russian Wikipedia. (April 2012)|
The dam with one of the spillways open.
|Dam and spillways|
|Type of dam||Gravity dam|
|Height||124 m (407 ft)|
|Length||1,065 m (3,494 ft)|
|Capacity||73.3 km3 (17.6 cu mi)|
|Surface area||2,000 km2 (772 sq mi)|
|Installed capacity||6,000 MW|
The Krasnoyarsk Dam is a 124-metre (407 ft) high concrete gravity dam located on the Yenisey River about 30 kilometres (19 mi) upstream from Krasnoyarsk in Divnogorsk, Russia. It was constructed from 1956 to 1972 and supplies 6,000 MW of power, mostly used to supply the KrAZ (Krasnoyarsky Aluminievyy Zavod, Krasnoyarsk Aluminum Plant). Both power and aluminum plants are controlled by the RUSAL company.
As a result of the damming, the Krasnoyarskoye reservoir was created. This reservoir, also known as Krasnoyarskoye More (Krasnoyarsk Sea), has an area of 2,000 square kilometres (770 sq mi) and a volume of 73.3 cubic kilometres (18 cu mi). It is 388 km (241 mi) in length and 15 km (9 mi) in width at its widest, has an average depth of 36.6 m (120.1 ft), and a depth of 105 m (344 ft) near the dam.
The Krasnoyarsk dam has affected the local climate. Normally the river would freeze over in the cold Siberian winter, but since the dam releases unfrozen water year-round, the river never freezes in the 200-300 kilometers downstream. In winter, the frigid air interacts with the warm river water to produce fog, which shrouds Krasnoyarsk and other downstream areas.
The dam is equipped with a canal inclined plane to allow passage of ships. Different from other installations it is in fact an electric rack railway. At the time of its construction, this feat of modern engineering allowed for ships to be physically re-moved in only 90 minutes. Held to be a landmark symbol of Krasnoyarsk, it is depicted on the 10-ruble bill.
- "Krasnoyarkkoye Reservoir". International Lake Environment Committee. Retrieved 24 July 2011.
- Grigor'ev, Yu. A.; Sokol'nikov, N. M. (October 1973). "Ice-thermal reservoir regimen during first years of operation of the Krasnoyarsk hydroelectric plant". Hydrotechnical Construction 7 (10): 30–32. Retrieved 21 September 2013.
- "Hydroelectric Dams: A Looming Threat to Russia's Mighty Rivers". Pacific Environment. Retrieved 21 September 2013.
- Gotlib, Ya. L. (December 1996). "Hydrotechnical Construction". Possible improvement of the ice and thermal conditions in the lower pool of the Krasnoyarsk hydroelectric station 30 (12): 26–28. Retrieved 21 September 2013.
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