Los Reyunos Dam

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Los Reyunos Dam
Río Diamante San Rafael Mendoza.jpg
View from atop the dam
Los Reyunos Dam is located in Argentina
Los Reyunos Dam
Location of Los Reyunos Dam in Argentina
Country Argentina
Location San Rafael, Mendoza Province
Coordinates 34°36′8.45″S 68°38′30.06″W / 34.6023472°S 68.6416833°W / -34.6023472; -68.6416833Coordinates: 34°36′8.45″S 68°38′30.06″W / 34.6023472°S 68.6416833°W / -34.6023472; -68.6416833
Purpose Power, water supply
Status Operational
Opening date 1983; 34 years ago (1983)
Owner(s) Hirdroeléctrica Diamante (HIDISA)/Hidroeléctrica de los Nihuiles (HINISA)
Dam and spillways
Type of dam Embankment
Impounds Diamante River
Height 136 m (446 ft)
Length 295 m (968 ft)
Reservoir
Total capacity 258,570,000 m3 (209,630 acre·ft)
Active capacity 137,280,000 m3 (111,290 acre·ft)
Surface area 7.34 km2 (2.83 sq mi)
Power station
Commission date 1983
Type Pumped-storage
Turbines 2 x 112 MW reversible Francis-type
Installed capacity 224 MW

The Los Reyunos Dam is an embankment dam on the Diamante River, in central Mendoza Province, Argentina, some twenty-two miles (thirty-five kilometers) from the city of San Rafael. The dam, built of stone and compacted clay to minimize execution and cost, is 440 feet (136 meters) high and contains a reservoir covering an area of 1,828 acres (7.34 km²).[1]

The dam is used to generate hydroelectricity. This is done with a pumped-storage power station located below the level of the reservoir. About one mile (two kilometer) downstream is a smaller, compensation dam, which forms the lower reservoir, called El Tigre. During the hours of decreased power demand, water is pumped from the reservoir of El Tigre back into Los Reyunos to stabilize the water level.

The reservoir is employed in raising Salmonidae and silverside, allowing for sport fishing. Los Reyunos Fishing and Nautical Club, along with private summer residences and a hotel, lies on the western shore of the reservoir and serves as a base for activities in the lake (such as windsurf, canoeing) and in the surrounding mountains (such as hiking).

See also[edit]

References[edit]

  1. ^ "Los Reyunos PS Hydroelectric Power Plant". Global Energy Observatory. Retrieved 19 May 2014.