It generates enough electricity to supply 1.4 million people, which amounts to the combined population of Québec City, Longueuil, Laval and Sherbrooke!
The heaviest water flow driving a turbine
La Grande-1 generating station
496 cubic metres / second
The tallest rockfill dam
Sainte-Marguerite-3 dam
171 metres high
That matches the height of a 56-story building!
The world's tallest multiple-arch-and-buttress dam
Daniel-Johnson dam
214 metres high
Its main arch could hold Montréal's Place Ville Marie building!
The hydropower plant with the highest head
Sainte-Marguerite-3 generating station
330 mETreS
That's 6 metres higher than the Eiffel Tower, including its antenna!
The two most powerful generating units
Sainte-Marguerite-3 generating station
441 megawatts each
The world's largest underground power plant
Robert-Bourassa generating station
483 metres long,
137 metres deep
The powerhouse is bigger than four soccer fields placed end to end!
The largest reservoir (volume of water available to generate power)
Caniapiscau reservoir
39 billion cubic metres
The fastest generating unit
Gentilly-2 nuclear power plant
1,800 RPM
The generating unit with the highest output
Gentilly-2 nuclear power plant
675 megawatts
It can supply power to 100,000 residential customers.
The largest reservoir (surface area)
Caniapiscau reservoir
4,318 SQUARE KILOMETreS
Its surface is just over four times the area of Lac-St-Jean.
The largest reservoir (total volume)
Manic 5 reservoir
139.8 BILLION cubic metres
It ranks among the world's 10 largest artificial reservoirs in terms of volume.
