Zeya Dam

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Zeya Dam
Zeya Dam is located in Amur Oblast
Zeya Dam
Location of the Zeya Dam in Amur Oblast, Russia
Country Russia
Location Zeya
Coordinates 53°46′9″N 127°18′23″E / 53.76917°N 127.30639°E / 53.76917; 127.30639Coordinates: 53°46′9″N 127°18′23″E / 53.76917°N 127.30639°E / 53.76917; 127.30639
Status Operational
Construction began 1965
Opening date 1975
Owner(s) RusHydro
Dam and spillways
Impounds Zeya River
Height 115.5 m (379 ft)
Length 1,284 m (4,213 ft)
Spillways 8
Spillway type Surface spillway
Spillway capacity 11,104 m3/s (392,134 cu ft/s)
Creates Zeya Reservoir
Total capacity 68.4 km3 (16 cu mi)
Surface area 2,420 km2 (934 sq mi)
Maximum length 225 km (140 mi)
Maximum width 40 km (25 mi)
Maximum water depth 93 m (305 ft)
Power station
Turbines 4 × 225 MW
2 × 215 MW
Installed capacity 1,330 MW

The Zeya Dam is a concrete gravity dam on the Zeya River, located by the town of Zeya, Amur Oblast, Russia, north of the Chinese border. On average the Zeya Hydroelectric Power Station generates 4.91 TWh of electricity per year. It is equipped with 6 hydro-turbines, 4 with capacity of 225 MW and 2 with capacity of 215 MW.

The Zeya Reservoir (Russian: Зейское водохранилище), located upstream, is kept at a regulated depth of 93 metres (305 ft). A narrow, 40-kilometre-long (25 mi) valley separates the dam water body from the vast surface of the reservoir. The Baikal-Amur Mainline railway runs along the north shore, where a 1,100-metre-long (3,600 ft) bridge has been constructed.

Settlements on the shore of Zeya Dam include Beregovoy, Khvoyny, Gorny, Verknezeysk, Bomnak and Snezhnogorsk.

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