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Work progress by region


Hydro-Québec continues construction of two new lines (735-kV and 315-kV) in Montréal’s Rivière-des-Prairies–Pointe-aux-Trembles borough.


To be built: 735-kV line (indicated in purple) and 315-kV line (in green)
Cofferdams at the planned location of future towers (red dots)
To be dismantled: 315-kV line above the river (in black)

Type of work and phases

June to December 2017

  • Construction of the towers within cofferdams in the Rivière des Prairies as shown below.

Fall 2017

  • Completion of the new 315-kV line
  • Dismantling of the old 315-kV line
  • Start of construction of the 735-kV line

Environmental follow-up

  • An environmental specialist will be on site during the work
  • Noise levels and suspended solids will be monitored

Expected inconveniences

  • Temporary increase in traffic
  • Use of heavy equipment for delivery of materials

Public safety

  • Presence of signalers on Boulevard Gouin during certain operations

For more information on the schedule, consult the Project News bulletin [PDF — 197 Kb] for the project (in French only).