The
La Grande-4 generating station is a
hydroelectric power plant on the La Grande River that is part of Hydro-Québec's James Bay Project. The
La Grande-4 generating station can generate 2,779
MW and was commissioned in 1984–1986. It generates electricity through the reservoir and dam system.
| La Grande-4 Generating Station |
|---|
| Official name | La Grande-4 |
| Locale | 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 |
| Impounds | La Grande River |
| Discharge capacity of spillway | 7,335 m3/s (259,033 cu ft/s) |
| Reservoir |
| Creates | LG-4 Reservoir |
| Surface area | 765 km2 (295 sq mi) |
| Power station |
| Turbines | 9 × 308.8 MW (Francis turbine) |
| Head | 116.7 m (383 ft) |
| Installed capacity | 2,779 MW |
