Canada · 44.339, -81.575Bruce
Bruce, nuclear power plant in Canada, operates 7 pressurized heavy water reactors with 5,671 MW net installed capacity and has been in service since 1977. One more unit has its operation suspended.
It is the highest-capacity nuclear plant in Canada. Unit Bruce A2 has been operating for 49 years, since 1977. Its 6,478 MW net are enough to supply about 20,400,000 households.
- Country
- Canada
- Units
- 8
- Technology
- PHWR
- Net capacity
- 5,671 MWe
- First grid connection
- 1977
- Operator
- Bruce Power
- Owner
- Ontario Power Generation Inc
- Status
- Operating
See also: alerts for this plant · every plant in Canada · Vendor: Atomic Energy of Canada Limited · every PHWR reactor · how a PHWR works
Units
Data: IAEA PRIS · Global Energy Monitor · editorial review · updated on Sep 21, 2026
Bruce A1, an 816 MWe PHWR (CANDU 791), started construction in 1971, was connected to the grid in 1977 and is still operating, with a 80.9% load factor in 2024.
Bruce A2, an 817 MWe PHWR (CANDU 791), started construction in 1970, was connected to the grid in 1976 and is still operating, with a 100.1% load factor in 2024.
Bruce A3, a 770 MWe PHWR (CANDU 750A), started construction in 1972, was connected to the grid in 1977 and is still operating.
Bruce A4, an 807 MWe PHWR (CANDU 750A), started construction in 1972, was connected to the grid in 1978 and is currently suspended.
Bruce B5, an 817 MWe PHWR (CANDU 750B), started construction in 1978, was connected to the grid in 1984 and is still operating, with a 93.3% load factor in 2024.
Bruce B6, an 817 MWe PHWR (CANDU 750B), started construction in 1978, was connected to the grid in 1984 and is still operating, with a 95.2% load factor in 2024.
Bruce B7, an 817 MWe PHWR (CANDU 750B), started construction in 1979, was connected to the grid in 1986 and is still operating, with a 82.4% load factor in 2024.
Bruce B8, an 817 MWe PHWR (CANDU 750B), started construction in 1979, was connected to the grid in 1987 and is still operating, with a 93.7% load factor in 2024.
Operator: Bruce Power.
Owner: Ontario Power Generation Inc (Bruce A1, Bruce A2, Bruce A3, Bruce A4, Bruce B5, Bruce B6, Bruce B7, Bruce B8).