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2009 Sayano–Shushenskaya power station accident
The 2009 Sayano–Shushenskaya hydroelectric power station accident occurred at 00:13 GMT on 17 August 2009, (08:13 AM local time) when turbine 2 of the Sayano–Shushenskaya hydroelectric power station near Sayanogorsk in Khakassia, Russia, broke apart violently. The turbine hall and engine room were flooded, the ceiling of the turbine hall collapsed, 9 of 10 turbines were damaged or destroyed, and 75 people were killed. The entire plant output, totaling 6,400 MW and a significant portion of the supply to the local electric grid, was lost, leading to widespread power failure in the local area, and forcing major users such as aluminium smelters to switch to diesel generators. An official report on the accident was issued on 4 October 2009.
== Background ==
Sayano–Shushenskaya hydroelectric power station is located on the Yenisei River, near Sayanogorsk in Khakassia. Before the accident, it was the largest hydroelectric power station in Russia and the sixth-largest hydroelectric power station in the world, by average power generation. The plant is operated by RusHydro. On 2 July 2009, RusHydro announced the station's all-time highest electricity output per 24 hours.〔
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抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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