La Grande-4 generating station

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La Grande-4 Generating Station

Aerial view of the La Grande-4 reservoir and dam
Official name La Grande-4
Location Quebec, Canada
Coordinates 53°53′10″N 73°27′45″W / 53.88611°N 73.4625°W / 53.88611; -73.4625Coordinates: 53°53′10″N 73°27′45″W / 53.88611°N 73.4625°W / 53.88611; -73.4625
Opening date 1986
Owner(s) Hydro-Québec
Dam and spillways
Impounds La Grande River
Spillway capacity 7,335 m3/s (259,033 cu ft/s)
Reservoir
Creates LG-4 Reservoir
Surface area 765 km2 (295 sq mi)
Power station
Hydraulic head 116.7 m (383 ft)
Turbines 9 × 308.8 MW (Francis turbine)
Installed capacity 2,779 MW
Hydro-Québec, The La Grande Complex visitor booklet, 2004, ISBN 2-550-41276-1

The La Grande-4 is a hydroelectric generating station on the La Grande River that is part of Hydro-Québec's James Bay Project. The station can generate 2,779 MW and was commissioned in 1984–1986. It generates electricity through the reservoir and dam system.


The spillways of the La Grande 4.

[edit] See also


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