The Tianshengqiao-I Hydroelectric Station is a multiple year reservoir of the cascade hydroelectric power stations along the Hongshuihe River, south west of China. The ground power station on the left bank has a total installed capacity of 1200MW, a firm capacity of 405.2MW and the reservoir is with total storage capacity of 10.257 billion m3. The dam crest is at EL.791.0m, the check water level is EL.789.86m, the normal storage level is EL.780.0m and the dead water level is EL.731.0m. The complex layout and main structures of the power station are composed of the followings.
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