Concept

Sayano-Shushenskaya power station accident

Summary
On 17 August 2009, a turbine in the hydroelectric power station of the Sayano-Shushenskaya Dam near Sayanogorsk in Russia failed catastrophically, killing 75 people and severely damaging the plant. The turbine hall was flooded, and a section of its roof collapsed. All but one of the ten turbines in the hall were destroyed or damaged. The entire power output of the plant, totalling 6,400 megawatts, was lost, leading to widespread power outages in the area. An official report on the accident was released in October 2009. Background The Sayano-Shushenskaya Dam is located on the Yenisey River in south-central Siberia, Russia, about south of Sayanogorsk, Khakassia. Before the accident, it was the largest hydroelectric power station in Russia and the sixth-largest in the world by average power generation. On 2 July 2009, RusHydro, the power station's operator, announced the station's all-time highest electricity output over 24 hours. Turbine 2 Turbines of the typ
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