🇨🇦 Canada Electrical Grid

Reference profile of the Canada electricity grid — grid frequency, synchronous area, and the main transmission & distribution operators with their operating voltages. Compiled from the TransformerPath worldwide grid census.

Region North AmericaFrequency 60 HzSynchronous area Eastern / Western / QuébecOperators 3Census verified 7 July 2026

Grid operators

Hydro-Québec TransÉnergieOwn synchronous area — pioneered 735 kV (1965) Record updated 11 July 2026735 kVSite →
IESO / Hydro One (Ontario)Eastern Interconnection Record updated 11 July 2026500 kVSite →
AESO (Alberta) + BC HydroWestern Interconnection Record updated 11 July 2026500 kVSite →

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Canada market hub Canada manufacturers (13) ieso hydro one ontario profile

Transformer-relevant projects

Census verified 7 July 2026. Each operator row shows that operator record's own updated date. Operator, voltage and frequency data are as recorded and may change. Report a correction.

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