Browse the atlas
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Asset classes
- Transmission Line80,968
- Power Plant32,429
- Substation / Converter7,614
- Oil & Gas Field7,055
- Coal / Uranium Mine5,382
- Pipeline4,951
- Cement Plant3,513
- Data Centre3,283
- Iron & Steel Plant1,293
- LNG Terminal1,198
- Grid Storage965
- Iron Ore Mine949
- Chemical Plant868
- Interconnector704
- Export Terminal519
- Refinery279
- Storage / Tank Farm38
- Oil / Commodity Contract19
- Hydrogen Project18
- Carbon Capture (CCS)16
Chokepoints
Company portfolio
Hydro-Québec
158 facilities owned or operated across 4 layers and 1 countries, plus 252 transmission & pipeline segments — the cross-layer footprint of a single company.
158
Facilities
41.0 GW
50 power plants
50
Owned
361
Operated
Generation capacity by fuel
- hydro38.5 GW
- wind1.2 GW
- nuclear941 MW
- gas412 MW
Asset mix
Substations 107Power Plants 50Data Centres 1
Network · 252 transmission lines (≥380 kv) segments
Where they operate
Under construction & proposed
- Gull Island hydroelectric plantPower Plants · Canada · 2.3 GW · 2035
- Des Neiges wind farmPower Plants · Canada · 1.2 GW · 2026
Largest assets
- Robert-Bourassa hydroelectric plantPower Plants · Canada · 5.6 GW · 1979
- La Grande 4 hydroelectric plantPower Plants · Canada · 2.8 GW · 1984
- La Grande 3 hydroelectric plantPower Plants · Canada · 2.4 GW · 1982
- Gull Island hydroelectric plantPower Plants · Canada · 2.3 GW · 2035
- La Grande 2A hydroelectric plantPower Plants · Canada · 2.1 GW · 1991
- Beauharnois hydroelectric plantPower Plants · Canada · 1.9 GW · 1932
- Manic 5 hydroelectric plantPower Plants · Canada · 1.6 GW · 1970
- La Grande 1 hydroelectric plantPower Plants · Canada · 1.4 GW · 1994
- Manic 3 hydroelectric plantPower Plants · Canada · 1.3 GW · 1975
- Manic 2 hydroelectric plantPower Plants · Canada · 1.2 GW · 1965
- Des Neiges wind farmPower Plants · Canada · 1.2 GW · 2026
- Bersimis 1 hydroelectric plantPower Plants · Canada · 1.2 GW · 1956
- Manic 5PA hydroelectric plantPower Plants · Canada · 1.1 GW · 1989
- Outardes 3 hydroelectric plantPower Plants · Canada · 1.0 GW · 1969
- Gentilly nuclear power plantPower Plants · Canada · 941 MW · 1972
- Sainte Marguerite 3 hydroelectric plantPower Plants · Canada · 882 MW · 2003
- Laforge 1 hydroelectric plantPower Plants · Canada · 878 MW · 1993
- Bersimis 2 hydroelectric plantPower Plants · Canada · 845 MW · 1959
- Outardes 4 hydroelectric plantPower Plants · Canada · 785 MW · 1969
- Bernard Landry 1A hydroelectric plantPower Plants · Canada · 768 MW · 2012
- Carillon hydroelectric plantPower Plants · Canada · 753 MW · 1962
- Romaine 2 hydroelectric plantPower Plants · Canada · 640 MW · 2014
- Toulnustouc hydroelectric plantPower Plants · Canada · 526 MW · 2005
- Outardes 2 hydroelectric plantPower Plants · Canada · 523 MW · 1978
- Bernard Landry 1 hydroelectric plantPower Plants · Canada · 480 MW · 2007
- Brisay hydroelectric plantPower Plants · Canada · 469 MW · 1993
- Bécancour power stationPower Plants · Canada · 412 MW · 1992
- Romaine 3 hydroelectric plantPower Plants · Canada · 395 MW · 2017
- Péribonka hydroelectric plantPower Plants · Canada · 385 MW · 2007
- Laforge 2 hydroelectric plantPower Plants · Canada · 319 MW · 1996