Canada · 43.811, -79.069Pickering
Pickering, nuclear power plant in Canada, operates 4 pressurized heavy water reactors with 2,064 MW net installed capacity and has been in service since 1971.
Unit Pickering B5 has been operating for 43 years, since 1983. Its 2,064 MW net are enough to supply about 6,500,000 households.
- Country
- Canada
- Units
- 8
- Technology
- PHWR
- Net capacity
- 2,064 MWe
- First grid connection
- 1971
- Operator
- Ontario Power Generation
- 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
Pickering A1, a 515 MWe PHWR (CANDU 500A), started construction in 1966 and operated from 1971 to 2024.
Pickering A2, a 515 MWe PHWR (CANDU 500A), started construction in 1966 and operated from 1971 to 2007.
Pickering A3, a 515 MWe PHWR (CANDU 500A), started construction in 1967 and operated from 1972 to 2008.
Pickering A4, a 515 MWe PHWR (CANDU 500A), started construction in 1968 and operated from 1973 to 2024.
Pickering B5, a 516 MWe PHWR (CANDU 500B), started construction in 1974, was connected to the grid in 1982 and is still operating, with a 59.4% load factor in 2024.
Pickering B6, a 516 MWe PHWR (CANDU 500B), started construction in 1975, was connected to the grid in 1983 and is still operating, with a 98.8% load factor in 2024.
Pickering B7, a 516 MWe PHWR (CANDU 500B), started construction in 1976, was connected to the grid in 1984 and is still operating, with a 57.5% load factor in 2024.
Pickering B8, a 516 MWe PHWR (CANDU 500B), started construction in 1976, was connected to the grid in 1986 and is still operating, with a 91.3% load factor in 2024.
Operator: Ontario Power Generation.
Owner: Ontario Power Generation Inc (Pickering A1, Pickering A2, Pickering A3, Pickering A4, Pickering B5, Pickering B6, Pickering B7, Pickering B8).