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Canada · asset class
Interconnectors in Canada
Canada has 22 interconnectors mapped on the OverWatts open energy atlas — the 4th-largest fleet of the 104 countries that hold any, and 3% of the world's mapped total. Of these, 17 operating and 5 under construction or proposed. The largest is Canada - Newfoundland – Canada - Quebec interconnection (5.2 GW).
5 are in the pipeline, led by Canada - Quebec – United States (US-NY-NYIS) interconnection (planned) (1.3 GW), proposed.
22
Interconnector in Canada
#4
of 104 countries
5
In construction / proposed
On the interactive map
Largest interconnectors in Canada
- Canada - Newfoundland – Canada - Quebec interconnection5.2 GW
- Canada - Manitoba – United States (US-MIDW-MISO) interconnection3.0 GW
- Canada - Ontario – Canada - Quebec interconnection2.8 GW
- Canada - Ontario – United States (US-NY-NYIS) interconnection2.4 GW
- Canada - British Colombia – United States (US-NW-BPAT) interconnection2.3 GW
- Canada - Quebec – United States (US-NE-ISNE) interconnection2.3 GW
- Canada - Quebec – United States (US-NY-NYIS) interconnection2.1 GW
- Canada - Ontario – United States (US-MIDW-MISO) interconnection1.6 GW
- Canada - Quebec – United States (US-NY-NYIS) interconnection (planned)1.3 GW · 2026 · proposed
- Canada - Alberta – Canada - British Colombia interconnection1.2 GW
- Canada - Atlantic – Canada - Quebec interconnection1.2 GW
- Canada - Quebec – United States (US-NE-ISNE) interconnection (planned)1.2 GW · 2025 · proposed
- Canada - Quebec – United States (US-NE-ISNE) interconnection (planned)1.0 GW · proposed
- Canada - Atlantic – United States (US-NE-ISNE) interconnection700 MW
- Canada - Saskatchewan – United States (US-CENT-SWPP) interconnection (planned)650 MW · 2027 · proposed
- Canada - Atlantic – Canada - Newfoundland interconnection500 MW
- Canada - Manitoba – Canada - Saskatchewan interconnection350 MW
- Canada - Alberta – United States (US-NW-NWMT) interconnection300 MW
- Canada - Manitoba – Canada - Ontario interconnection200 MW
- Canada - Alberta – Canada - Saskatchewan interconnection150 MW
- Canada - Saskatchewan – United States (US-CENT-SWPP) interconnection150 MW
- Canada - Manitoba – Canada - Saskatchewan interconnection (planned)100 MW · 2023 · proposed
Under construction & proposed
- Canada - Quebec – United States (US-NY-NYIS) interconnection (planned)1.3 GW · 2026 · proposed
- Canada - Quebec – United States (US-NE-ISNE) interconnection (planned)1.2 GW · 2025 · proposed
- Canada - Quebec – United States (US-NE-ISNE) interconnection (planned)1.0 GW · proposed
- Canada - Saskatchewan – United States (US-CENT-SWPP) interconnection (planned)650 MW · 2027 · proposed
- Canada - Manitoba – Canada - Saskatchewan interconnection (planned)100 MW · 2023 · proposed
How Canada compares · interconnectors by country
- 1. United States159
- 2. China81
- 3. India23
- 4. Canada22
- 5. Brazil21
- 6. Germany20
- 7. Austria16
Frequently asked
- How many interconnectors are there in Canada?
- OverWatts maps 22 interconnectors in Canada — 3% of the world's mapped total, the 4th-largest national fleet of the 104 countries with any.
- What is the largest interconnector in Canada?
- Canada - Newfoundland – Canada - Quebec interconnection, at 5.2 GW.
- What new interconnectors are being built in Canada?
- 5 projects are under construction or proposed. The largest are Canada - Quebec – United States (US-NY-NYIS) interconnection (planned) (1.3 GW), Canada - Quebec – United States (US-NE-ISNE) interconnection (planned) (1.2 GW) and Canada - Saskatchewan – United States (US-CENT-SWPP) interconnection (planned) (650 MW).