Punta Negra Dam

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Punta Negra Dam
Foto completa de la presa.jpg
Punta Negra Dam is located in Argentina
Punta Negra Dam
Location of Punta Negra Dam in Argentina
Country Argentina
Location San Juan, San Juan Province
Coordinates 31°31′9.16″S 68°49′4.10″W / 31.5192111°S 68.8178056°W / -31.5192111; -68.8178056Coordinates: 31°31′9.16″S 68°49′4.10″W / 31.5192111°S 68.8178056°W / -31.5192111; -68.8178056
Purpose Irrigation, power
Status Operational
Construction began 2009
Opening date August 29, 2015
Owner(s) Energia Provincial Sociedad del Estado SA
Dam and spillways
Type of dam Embankment, concrete-face rock-fill
Impounds San Juan River
Height 101 m (331 ft)
Length 700 m (2,300 ft)
Total capacity 500,000,000 m3 (410,000 acre⋅ft)
Surface area 12.5 km2 (4.8 sq mi)
Maximum length 13 km (8.1 mi)
Commission date 2016 (est.)
Hydraulic head 86 m (282 ft)
Turbines 2 x 31 MW (42,000 hp) Francis-type
Installed capacity 62 MW (83,000 hp)

The Punta Negra Dam is a concrete-face rock-fill dam on the San Juan River about 28 kilometres (17 mi) west of San Juan in San Juan Province, Argentina. The purpose of the dam is to provide water for irrigation and the generation of hydroelectric power. The 101 metres (331 ft) tall dam supports a 62-megawatt (83,000 hp) power station and together with the Los Caracoles Dam upstream, it will provide for the irrigation of 15,000 hectares (37,000 acres). Construction began in 2009 and the dam and was finished in August 29, 2015.[1] It is being constructed immediately upstream of an diversion barrage.[2][3][4]

See also[edit]


  1. ^ "Beginning of the filling in Punta Negra's dam". TECHINT. Retrieved 11 February 2016. 
  2. ^ "Hydroelectric power plants" (PDF). Panedile. Retrieved 28 April 2014. 
  3. ^ "Hydroelectric Projects in the Santa Cruz River" (PDF). Water and Energy National and Regional Integration. Government of Argentina. p. 97. Retrieved 28 April 2014. 
  4. ^ "San Juan province's Punta Negra dam on schedule for 2015 startup". BN Americas. 15 May 2012. Retrieved 28 April 2014.