Piedra del Águila

Piedra del Águila is the name of a water stopping and reserve in Argentine, built on the Río Limay, name given to the higher course of the river Río Negro and emissary of the Lac Nahuel Huapi.

Its Spanish name means Pierre of the Eagle and is due to the fact that in the surrounding rocks, there were many large birds which nidifiaient.

The stopping created upstream large the Lac of Piedra del Águila.

Situation

It is built between the provinces of Río Negro and Neuquén, downstream from the reserve of Alicurá, and upstream of that of El Chocón.

It is in the area constituting the transition between the steppe from Patagonie and what one calls the Andean pre-cordillera, corresponding to the first crumplings of the Andes cordillera. The city nearest is the pretty small town of Piedra del Águila, located at 25 kilometers downstream, and constituting a tourist center, attended in particular by many fishermen. The place where the stopping was built is rock, with varied and often capricious natural forms. The climate is already dry and the steppe vegetation.

The complex of Piedra del Águila is to 240 km of San Carlos de Bariloche and with 230 km of the town of Neuquén. It is about the largest power station built exclusively in Argentinian territory.

Description

  • the maximum level of water in reserve is of 592 meters.

  • the minimal level is of 577 meters, that is to say a difference in 15 meters.
  • the volume of water stored in reserve is of 12,4 billion m ³.
  • the phase of filling of reserve began in 1990.
  • the length from the peak from the stopping is of 800 meters.
  • It acts of a concrete gravity dam a 173 meters height.
  • One associated there a outfall of believed of a capacity of 10.000 m ³ /seconde
  • Conjointement, one built there the Central hidroeléctrica of Piedra del Águila , the essential goal of reserve being the production of electrical energy. The secondary goal being the regularization of the flow of the river.
  • the working installed capacity of the power station is of 1.400 MW.
  • the quantity of annually generated energy is of 5.000 GWh or 5 billion kilowatt-hours.

See too

External bond

  • Chart of the province of Río Negro

  • Chart of the province of Neuquén

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