Maps · Transmission · current and planned
30 operating corridors and 5 under construction or announced. 735 kV James Bay, Nelson River HVDC, Peace–Coast 500 kV, CHPE to New York (operating May 2026), and the thin east–west hops that are not a national grid. Dashed gold is not in service.
Spines, not every circuit. Width follows voltage class. Dashed gold = under construction or announced. Routes are schematic corridors along the real geography.