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Chokepoints
Grid Storage
Ontario Pumped Storage hydroelectric plant
Largest grid storage in Canada of 4 · top 46% worldwide (#440 of 965)
- Owner
- Saugeen Ojibway Nation, TC Energy Corp
- Status
- construction
- Capacity
- 1,000 MW
- Technology
- pumped storage
- Commissioned
- 2030
- Also listed as
- A power plant — this site generates as well as stores
Comparable grid storages · Canada · 4 ranked
- #1Ontario Pumped Storage hydroelectric plant1.0 GW
- #2Tent Mountain hydroelectric plant320 MW
- #3Sir Adam Beck Pump hydroelectric plant174 MW
Co-located infrastructure · within 25 km
- Ontario Pumped Storage hydroelectric plant0 m · Power Plant · 1.0 GW · hydro
On the interactive map
Watercourse: Georgian Bay
SOURCE: Global Energy Monitor · Global Integrated Power, March 2026 (CC BY 4.0)