page_title: Irkutsk Hydroelectric Power Station
section_title: Power station
hierarchical_section_title: Irkutsk Hydroelectric Power Station / Power station
caption_attribution_description: English: Hydroelectric power plant in Irkutsk / Russia.
context_page_description: The Irkutsk Hydroelectric Power Station 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 power plant was commissioned in 1956 as well. It was the first large hydroelectric power station constructed in Eastern Siberia and its completion was hailed by the Soviets as an engineering success.
context_section_description: The power station is contained in a 240 m (790 ft) long, 77 m (253 ft) wide and 56 m (184 ft) high reinforced concrete building. It consists of 8 generators, each rated at 82.8 MW, for a total of 662.4 MW. Since first operation, the station has produced 192 billion kWh of electricity and an average of 4.1 billion kWh a year. Power is supplied to the Irkutsk Aluminum Factory in Shelekhov and local areas for residential use. In 1993, a modernization and rehabilitation of the power station was authorized. The work includes replacing the stators on seven of the turbines and a complete replacement of generator No. 5. Relays, switches and transformers are also being replaced and the work is expected to be complete by 2010.
caption: Hydroelectric power station
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