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Chokepoints
Canada · asset class
Grid Storages in Canada
Canada has 4 grid storages mapped on the OverWatts open energy atlas — the 22nd-largest fleet of the 58 countries that hold any, and 0.4% of the world's mapped total. Of these, 1 operating and 3 under construction or proposed. The largest is Ontario Pumped Storage hydroelectric plant (1.0 GW).
The largest owner-operators are TC Energy Corp (2), Evolve Power Ltd (1) and Ontario Power Generation Inc (1) — TC Energy Corp alone is named on 50% of them. 3 are in the pipeline, led by Ontario Pumped Storage hydroelectric plant (1.0 GW), under construction.
4
Grid Storage in Canada
#22
of 58 countries
3
In construction / proposed
On the interactive map
Largest grid storages in Canada
- Ontario Pumped Storage hydroelectric plant1.0 GW · 2030 · construction
- Tent Mountain hydroelectric plant320 MW · 2028 · construction
- Sir Adam Beck Pump hydroelectric plant174 MW · 1957
- Canyon Creek hydroelectric plant75 MW · construction
Who owns Canada's grid storages
- TC Energy Corp2 50%
- Evolve Power Ltd1 25%
- Ontario Power Generation Inc1 25%
- Saugeen Ojibway Nation1 25%
- TransAlta Corp1 25%
Counts an asset once per company named as its owner or operator; a joint venture counts for each partner.
Under construction & proposed
- Ontario Pumped Storage hydroelectric plant1.0 GW · 2030 · construction
- Tent Mountain hydroelectric plant320 MW · 2028 · construction
- Canyon Creek hydroelectric plant75 MW · construction
How Canada compares · grid storages by country
Frequently asked
- How many grid storages are there in Canada?
- OverWatts maps 4 grid storages in Canada — 0.4% of the world's mapped total, the 22nd-largest national fleet of the 58 countries with any.
- What is the largest grid storage in Canada?
- Ontario Pumped Storage hydroelectric plant, at 1.0 GW.
- Who owns the grid storages in Canada?
- TC Energy Corp is named as owner or operator on the most — 2 of 4 (50%). Next are Evolve Power Ltd (1), Ontario Power Generation Inc (1) and Saugeen Ojibway Nation (1).
- What new grid storages are being built in Canada?
- 3 projects are under construction or proposed. The largest are Ontario Pumped Storage hydroelectric plant (1.0 GW), Tent Mountain hydroelectric plant (320 MW) and Canyon Creek hydroelectric plant (75 MW).