Hydro-Québec TransÉnergie

Hydro-Québec TransÉnergie

Our mission : Hydro-Québec TransÉnergie operates the most extensive transmission system in North America, markets system capacity and manages power flows across Québec. Our Direction–Contrôle et exploitation du réseau acts as Reliability Coordinator for transmission systems in Québec. Find out more

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Our system
  • 33,639 km of lines
  • 516 substations
Our interconnections
  • 17 interconnections with the systems in Ontario, New Brunswick and the U.S. Northeast.
  • 11,150 MW of interconnection import capacity
  • 7,994 MW of interconnection export capacity
Reliability coordinator mandate

Our Direction–Contrôle et exploitation du réseau acts as Reliability Coordinator for transmission systems in Québec.
Find out more

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