Três Irmãos Dam

Três Irmãos Dam
Location of Três Irmãos Dam in Brazil
Official name Barragem Três Irmãos
Country Brazil
Location Pereira Barreto, São Paulo
Coordinates 20°39′56.29″S 51°18′5.19″W / 20.6656361°S 51.3014417°W / -20.6656361; -51.3014417Coordinates: 20°39′56.29″S 51°18′5.19″W / 20.6656361°S 51.3014417°W / -20.6656361; -51.3014417
Purpose Power, navigation
Status Operational
Opening date 1991 (1991)
Dam and spillways
Type of dam Embankment with gravity sections
Impounds Tietê River
Height 82 m (269 ft)
Length 3,640 m (11,940 ft)
Reservoir
Creates Três Irmãos Reservoir
Total capacity 13,373,000,000 m3 (10,842,000 acre⋅ft)
Active capacity 3,450,000,000 m3 (2,800,000 acre⋅ft)
Inactive capacity 9,923,000,000 m3 (8,045,000 acre⋅ft)
Catchment area 699,000 km2 (270,000 sq mi)
Surface area 785 km2 (303 sq mi)
Normal elevation 328 m (1,076 ft)
Operator(s) Companhia Energética de São Paulo (CESP)
Commission date 1993-1999
Type Conventional
Turbines 5 x 161.5 MW (216,600 hp) Francis-type
Installed capacity 807.5 MW (1,082,900 hp)

The Três Irmãos Dam is an embankment dam with gravity sections on the Tietê River in Pereira Barreto of São Paulo state in Brazil. The dam is about 28 kilometres (17 mi) upstream of the river's confluence with the Paraná River. It supports the largest hydroelectric power station on the river with an installed capacity of 807.5 megawatts (1,082,900 hp). The dam was completed in 1991 and the five 161.5 megawatts (216,600 hp) Francis turbine-generators were commissioned between November 1993 and January 1999. It is owned and operated by Companhia Energética de São Paulo (CESP). The dam also provides for navigation with two ship locks.[1][2]

References

  1. ↑ "Hydroelectric Three Brothers" (in Portuguese). CESP. Retrieved 8 November 2014.
  2. ↑ "Characteristic Data - HPP 3 Brothers" (in Portuguese). CESP. Retrieved 8 November 2014.
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