Piedra del Ãguila Dam
The dam Piedra del Águila (Spanish: Piedra del Águila Embalse translated: "Stone of the Eagle ") is the second of five dams on the Rio Limay in the northwest of the Región Comahue in Patagonia in Argentina. It is located below the confluence of the Rio Collón Curá with the Limay and Neuquén in the provinces of Río Negro. The dam is used for power generation and flood control.
Construction
Construction began in March 1985. In January 1987, the Limay was diverted into a canal. The dam was inaugurated in 1993.
Reservoir
The water surface of the reservoir is 292 km ² or 305 km ². The memory has a capacity of 11,300 according to various sources, 12,400 or 12,600 million cubic meters. With the two largest numbers, this results in an average water depth of 41.3 m = 12.600/305. The greatest depth is 120 m.
Shut-off
The shut-off is a 170 m high concrete gravity dam. It is 820 m long at the crest. The wall volume is according to various sources 2.78, 3.6 or 3.8 million cubic meters.
Hydroelectric power station
The hydroelectric power plant operates with four Francis turbines of 350 MW each, together 1400 MW. This 5,000 GWh of electricity generated annually.