Irkutsk Hydroelectric Power Station
The Irkutsk Hydroelectric Power Station (Irkutsk HPS) is a rock-fill dam on the Angara River with an adjacent hydroelectric power station. It is located adjacent to Irkutsk, Irkutsk Oblast in Russia and is the first dam on the Angara cascades. Construction on the dam began in 1950, its reservoir began filling in 1956 and its first turbines were also commissioned in 1956. It was the first large hydroelectric power station constructed in Eastern Siberia and its completion was hailed by the Soviets as an engineering success.
| Irkutsk Dam | |
|---|---|
Irkutsk Dam and the city of Irkutsk | |
Location of Irkutsk Dam in Russia | |
| Official name | Irkutsk Hydroelectric Power Station |
| Location | Irkutsk, Irkutsk Oblast, Russia |
| Coordinates | 52°14′34″N 104°19′43″E |
| Construction began | 1950 |
| Opening date | June 1956 |
| Owner(s) | Irkutskenergo |
| Dam and spillways | |
| Type of dam | Rock-fill, embankment |
| Impounds | Angara River |
| Height | 44 m (144 ft) |
| Length | 2,740 m (8,990 ft) |
| Width (base) | 225 m (738 ft) |
| Reservoir | |
| Creates | Irkutsk Reservoir and heightens Lake Baikal |
| Power Station | |
| Commission date | December 1956 |
| Hydraulic head | 31 m (102 ft) |
| Turbines | 4×107.5, 4×82.8 |
| Installed capacity | 761.2 MW |
| Annual generation | 4.1 TWh (15 PJ) |
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