Zhiguli Hydroelectric Station
Encyclopedia
The Zhiguli Hydroelectric Station or Zhigulyovskaya Hydroelectric Station , formerly known as Kuybyshev Hydroelectric Station (Kuybyshev GES) is a large dam
Dam
A dam is a barrier that impounds water or underground streams. Dams generally serve the primary purpose of retaining water, while other structures such as floodgates or levees are used to manage or prevent water flow into specific land regions. Hydropower and pumped-storage hydroelectricity are...

 and hydroelectric station on the Volga River
Volga River
The Volga is the largest river in Europe in terms of length, discharge, and watershed. It flows through central Russia, and is widely viewed as the national river of Russia. Out of the twenty largest cities of Russia, eleven, including the capital Moscow, are situated in the Volga's drainage...

, located near Zhigulyovsk
Zhigulyovsk
Zhigulyovsk is a town in Samara Oblast, Russia, located on the right bank of the Volga River in the Samara bend near the Zhiguli Mountains , west of Samara. Population:...

 and Tolyatti
Tolyatti
Tolyatti , also known as Togliatti, is a city in Samara Oblast, Russia. It serves as the administrative center of Stavropolsky District, although it is administratively separate from it...

 in Samara Oblast
Samara Oblast
Samara Oblast is a federal subject of Russia . Its administrative center is the city of Samara. Population: In 1936–1990, it was known as Kuybyshev Oblast , after the Soviet name of Samara .-Demographics:Population:...

 of Russia
Russia
Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

. It is the sixth stage of the Volga-Kama Cascade of dams, and the second of them by installed power.

General data

Construction started in 1950 and was completed in 1957. The complex consists of earth-fill dam, 2800 m long, 750 m wide and 52 m high, concrete spillway dam, 980 m long, power plant house, 700 m long, and two-lane navigable locks. Installed power is 2315 MW, average annual production is 10,500 GWh. The power house has 20 generator units with Kaplan turbines, 17 of 65 MW and 3 of 120 MW at 22.5 m head. The dam forms Kuybyshev Reservoir.

Economic value

The station covers peak loads and maintains frequency stability in the unified power system of Russia (UES), controls flood and maintains navigable waterway. Lower hydroelectric stations are utilised more effectively because of seasonal and over-year regulation provided by the dam. Energy produced by station is transferred by four 500 KV lines - two of them to UES of central Russia and two to UES of the Urals and the Middle Volga.

History

The idea of hydroelectric station on the Volga near Samara Bend
Samara bend
The Samara bend is a large hairpin bend of the middle Volga River at the confluence of the Samara River . It is situated in Samara Oblast, Volga Federal District of Russia....

 was proposed by Gleb Krzhizhanovsky
Gleb Krzhizhanovsky
Gleb Maximilianovich Krzhizhanovsky was a Soviet economist and a state figure. Academician of USSR Academy of Sciences , Hero of Socialist Labour ....

 in 1910. Ten years later K. V. Bogoyavlensky proposed a hydroelectruc station near Perevoloki, utilizing naturally existing water level difference. The disrupted economic system of the time did not allow this project to be realized.

In the early 1930s the Volga near Samara Bend and Yaroslavl
Yaroslavl
Yaroslavl is a city and the administrative center of Yaroslavl Oblast, Russia, located northeast of Moscow. The historical part of the city, a World Heritage Site, is located at the confluence of the Volga and the Kotorosl Rivers. It is one of the Golden Ring cities, a group of historic cities...

 was surveyed, and some dam projects were proposed. In 1937 the project of a dam near the villages of Perevoloki and Krasnaya Glinka was approved. Forced labour from Kuybyshev Camp was used (up to 30,000 people). In the autumn of 1940, oil fields were found near construction site, causing a suspension of construction.

The Hydroproject
Hydroproject
Hydroproject is a Russian hydrotechnical design firm. Based in Moscow, it has a number of branches around the country. Its main activities are design of dams, hydroelectric stations, canals, sluices, etc....

 Institute made a survey in 1949, after which a decision was made to build the hydroelectric station near Zhigulyovsk
Zhigulyovsk
Zhigulyovsk is a town in Samara Oblast, Russia, located on the right bank of the Volga River in the Samara bend near the Zhiguli Mountains , west of Samara. Population:...

. August 21, 1950, the project to create a station with installed power of 2.1 gigawatts was approved. Construction was started, as before, with forced labour used. Construction was completed in 1957.

Locks

In July 1955 the first steamer vessel passed through the lower locks. The main stream of the Volga was shut off in November of that year, and the first turbine was put under load on December 29, 1955. In less than a year, by October 1956, 1000 gigawatthours of electric energy was produced. In 1956, 12 turbines were put under load and the next 7 in 1957. On August 10, 1958, the station was renamed after Vladimir Lenin
Vladimir Lenin
Vladimir Ilyich Lenin was a Russian Marxist revolutionary and communist politician who led the October Revolution of 1917. As leader of the Bolsheviks, he headed the Soviet state during its initial years , as it fought to establish control of Russia in the Russian Civil War and worked to create a...

, . In May 1959 all constructions were finished.

During construction the main stream of the Volga was shut in record time - in 19.5 hours during the period of minimal discharge ( 3800 m³/s ). Each turbine unit was mounted in an average of one month, half the usual time needed for that type of hydroelectric stations at that time. Later it was revealed that the turbines were actually able to run at an output of 115 megawatts instead of the 105 megawatts designed; this increased the produced power up to 2.3 gigwatts.
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