Los Caracoles Dam

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Los Caracoles Dam
Embalse y dique Los Caracoles, San Juan.jpg
Upstream face of the dam
Los Caracoles Dam is located in Argentina
Los Caracoles Dam
Location of Los Caracoles Dam
Country Argentina
Location San Juan, San Juan Province
Coordinates 31°31′8.60″S 68°58′54.39″W / 31.5190556°S 68.9817750°W / -31.5190556; -68.9817750Coordinates: 31°31′8.60″S 68°58′54.39″W / 31.5190556°S 68.9817750°W / -31.5190556; -68.9817750
Purpose Irrigation, power
Status Operational
Construction began 2004
Opening date 2009; 6 years ago (2009)
Owner(s) Energia Provincial Sociedad del Estado SA
Dam and spillways
Type of dam Embankment, concrete-face rock-fill
Impounds San Juan River
Height 136 m (446 ft)
Length 605 m (1,985 ft)
Total capacity 565,000,000 m3 (458,000 acre·ft)
Surface area 13 km2 (5.0 sq mi)
Max. length 13 km (8.1 mi)
Power station
Commission date 2009
Hydraulic head 150 m (490 ft)
Turbines 2 x 63 MW (84,000 hp) Francis-type
Installed capacity 126 MW (169,000 hp)

The Lost Caracoles Dam, or Caracoles Dam is a concrete-face rock-fill dam on the San Juan River about 44 kilometres (27 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 136-metre (446 ft) tall dam supports a 126 megawatts (169,000 hp) power station and together with the Punta Negra Dam downstream, it provides for the irrigation of 15,000 hectares (37,000 acres). Construction began in 2004 and the dam and power station were completed in 2009.[1][2]

See also[edit]


  1. ^ "Hydroelectric Plants in Argentina". IndustCards. Retrieved 28 April 2014. 
  2. ^ "Hydroelectric power plants" (PDF). Panedile. Retrieved 28 April 2014.