La Grande Reservoir 4

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La Grande Reservoir 4
Aerial view of the reservoir and the La Grande-4 dam
Aerial view of the reservoir and the La Grande-4 dam
Location: Québec (Canada)
Tributaries: La Grande Rivière , Rivière Laforge
Drain: La Grande Rivière
Réservoir La Grande 4 (Québec)
La Grande Reservoir 4
Coordinates 53 ° 54 '36 "  N , 73 ° 16' 8"  W Coordinates: 53 ° 54 '36 "  N , 73 ° 16' 8"  W.
Data on the structure
Construction time: 1978-1986
Height of the barrier structure : 128 m
Building volume: 19.348 million m³
Crown length: 3 750  m
Power plant output: 2 779  MW
Operator: Hydro Quebec
Data on the reservoir
Altitude (at congestion destination ) 377  m
Water surface 765 km²
Storage space 19400 million m³
Design flood : 7th 335  m³ / s

The Réservoir La Grande 4 is a reservoir in the Canadian province of Québec . Located in the Jamésie region, it is part of the Baie James hydropower project .

The 125 meter high and almost four kilometer long Barrage La Grande-4 dam and ten additional dikes [possibly. are here meant dams, since dykes do not impound a river] dam the river La Grande Rivière . The water area is 765 km², the height of the dam target 377 meters.

The associated storage power plant La Grande-4 (including LG-4 called) has nine turbines with a capacity of 2,779 MW and a drop height of 116.7 meters.

See also

Individual evidence

  1. ^ Barrage La Grande 4th Commission de toponymie du Québec, accessed on March 26, 2012 (French).
  2. ^ Réservoir La Grande 4th Commission de toponymie du Québec, accessed on March 26, 2012 (French).
  3. Centrales hydroélectriques. Hydro-Québec, accessed March 13, 2012 (French).