La Grande-2-A generating station

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La Grande-2-A is a hydroelectric generating station on the La Grande River that is part of Hydro-Québec's James Bay Project. The station can generate 2,106 MW and was commissioned in 1991–1992. Together with the adjacent Robert-Bourassa generating station, it uses the reservoir and dam system of the Robert-Bourassa Reservoir to generate electricity.


La Grande-2-A generating station
Year commissioned: 1991-1992
Installed capacity: 2106 MW
Number of turbines: 6
Turbine capacity: 351 MW
Type of turbine: Francis
Net rated head: 138.5 m (454.4 ft)
Distance from James Bay: 111 km (69 mile)
Size of reservoir: 2835 km² (1095 mile²)
Volume of reservoir: 61.7 x 109 m³ (80.7 x 109 yd³)
Spillway capacity: 16280 m³/s (21293 yd³/s)
Source: Hydro-Québec, The La Grande Complex visitor booklet, 2004.

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Coordinates: 53°46′45.8″N, 77°32′54.2″W