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La Grande-3 or LG-3 is a hydroelectric dam on the La Grande River in northern Quebec, part of Hydro-Québec's James Bay hydroelectric project. The station can generate 2,418 MW and was commissioned in 1982-1984. It generates electricity through the reservoir and dam system. The dam and reservoir both are named La Grande-3.
| La Grande-3 generating station |
| Year commissioned: |
1982-1984 |
| Installed capacity: |
2,418 MW |
| Number of turbines: |
12 |
| Turbine capacity: |
201.5 MW |
| Type of turbine: |
Francis |
| Net rated head: |
79.2 m (259.8 ft) |
| Distance from James Bay: |
238 km (148 mile) |
| Size of reservoir: |
2,420 km² (934 mile²) |
| Spillway capacity: |
10,000 m³/s (13,080 yd³/s) |
- Source: Hydro-Québec, The La Grande Complex visitor booklet, 2004.
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Coordinates: 53°43′47″N 75°58′06″W / 53.72972, -75.96833 (La Grande-3 dam)
