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Hydro-Québec

  • To do: Main breaker in your distribution panel tripped? Unplug your appliances, then reset it.
  • To do: Still tripping? Reset the circuit breakers one by one to find the faulty circuit.
  • To do: Do your neighbours have power? If so, the problem is in your installation: call a master electrician.
  • To do: Is the whole area out? Enter your address in Info-pannes or call 1 800 790-2424.

Hydro-Québec network

hydroquebec.comUpdated 2026-09-28

Hydro-Québec, a Crown corporation owned by the Government of Quebec, generates, transmits and distributes electricity across almost all of Quebec. Its distribution grid counts 230,889 km of lines and 4.65 million customer accounts.

Electricity network

Activities
GenerationTransmissionDistributionSupply
Customers
4.65 M· customer accounts, Dec 2025
Smart meters
share not published, 4.4 M meters to be replaced over 7 years
Outage time
273 min· normalized continuity index 2025, excl. major events
Network length
230,889 km· distribution lines, 2025
Coverage
Quebec
  • Montréal
  • Québec City
  • Laval
  • Gatineau
  • Longueuil
  • Trois-Rivières
  • Gaspésie

Including the 11 major event days, the raw continuity index reached 501 min per customer in 2025, up 16% on 2024.

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