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Reference data
Page built2026-10-22
Data as ofAugust 2026

Nuclear power in Canada

nuclearchain.net/countries/canada/ · data: Global Energy Monitor (GNPT, August 2026), CC BY 4.0 · printed from the live page

Canada operates 17 nuclear power reactors across 18 sites, with 13.5 GW of gross capacity. A further 1 unit is under construction, adding 0.3 GW. 8 units have been retired.

Operating
17
13.5 GW gross
Under construction
1
0.3 GW
Planned
27
incl. 26 announced
Retired
8
10 cancelled
UNITED STATES OF AMERICACANADABruce nuclear power plant: 8 units, 6,944 MWPickering nuclear power plant: 8 units, 4,328 MWDarlington nuclear power plant: 4 units, 3,736 MWGentilly nuclear power plant: 2 units, 941 MWPoint Lepreau nuclear power plant: 2 units, 805 MWDarlington New nuclear power plant: 1 unit, 300 MWDouglas Point (AECL) nuclear power plant: 1 unit, 218 MWNuclear Power Demonstration (NPD) nuclear power plant: 1 unit, 25 MWChalk River nuclear power plant: 1 unit, 5 MWBrucePickeringDarlingtonGentillyPoint LepreauNuclear Power Demonstration (NPD)Chalk River250 km
Operating4Under construction1Shelved1Retired3circle area ∝ site capacity Coastlines, borders and lakes: Natural Earth (1:10 million, public domain), which is generalised, so a coastal plant can sit a couple of kilometres off its true shoreline. Site positions: Global Nuclear Power Tracker.

Operating fleet by type: PHWR (17). Principal operators: Ontario Power Generation, Bruce Power, New Brunswick Electric Power Commission.

Operating capacity over time

First reactor online1962
Peak16.4 GW in 1993
Now13.5 GW 17 units
2026 so farno change
05101520197019801990200020102020GW
Gross capacity of units that had started up and not been permanently shut down by 31 December each year (2026 is to date). Amber marks the peak, green the present.
Data table
YearUnits onlineGW grossChange, GW
196210.03+0.03
196820.24+0.22
197141.33+1.08
197262.14+0.81
197372.68+0.54
197784.12+1.44
197894.98+0.87
1979105.85+0.87
1983137.77+1.92
1984148.98+1.21
19851610.39+1.41
19861811.81+1.41
19871812.65+0.85
19901913.59+0.93
19922014.52+0.93
19932216.39+1.87
20072115.85−0.54
20082015.30−0.54
20121914.63−0.68
20241713.55−1.08

Only years in which capacity changed are listed.

Position in the fuel chain

FacilityStageOperatorCapacity / output
Port Hope Conversion Facility conversion Cameco Corporation 12,500tU/yr as UF6
Cameco Fuel Manufacturing, Port Hope fabrication Cameco Corporation 1,650tHM/yr
Toronto and Peterborough fabrication BWX Technologies 1,200tHM/yr
McArthur River / Key Lake mining Cameco Corporation 7,808tU/yr
Cigar Lake mining Cameco Corporation 6,501tU/yr
Canadian deep geological repository repository Nuclear Waste Management Organization not disclosed

All units in Canada

UnitSiteStatusTypeGross MWOnline
Bruce nuclear power plant A1 Bruce nuclear power plant Operating PHWR 868 1977
Bruce nuclear power plant A2 Bruce nuclear power plant Operating PHWR 836 1977
Bruce nuclear power plant A3 Bruce nuclear power plant Operating PHWR 865 1978
Bruce nuclear power plant A4 Bruce nuclear power plant Operating PHWR 868 1979
Bruce nuclear power plant B5 Bruce nuclear power plant Operating PHWR 872 1985
Bruce nuclear power plant B6 Bruce nuclear power plant Operating PHWR 891 1984
Bruce nuclear power plant B7 Bruce nuclear power plant Operating PHWR 872 1986
Bruce nuclear power plant B8 Bruce nuclear power plant Operating PHWR 872 1987
Darlington nuclear power plant 1 Darlington nuclear power plant Operating PHWR 934 1992
Darlington nuclear power plant 2 Darlington nuclear power plant Operating PHWR 934 1990
Darlington nuclear power plant 3 Darlington nuclear power plant Operating PHWR 934 1993
Darlington nuclear power plant 4 Darlington nuclear power plant Operating PHWR 934 1993
Pickering nuclear power plant B5 Pickering nuclear power plant Operating PHWR 540 1983
Pickering nuclear power plant B6 Pickering nuclear power plant Operating PHWR 540 1984
Pickering nuclear power plant B7 Pickering nuclear power plant Operating PHWR 540 1985
Pickering nuclear power plant B8 Pickering nuclear power plant Operating PHWR 540 1986
Point Lepreau nuclear power plant 1 Point Lepreau nuclear power plant Operating PHWR 705 1983
Darlington New nuclear power plant 1 Darlington New nuclear power plant Under construction - 300 2030
Point Lepreau nuclear power plant SMR 1 Point Lepreau nuclear power plant Pre-construction - 100 2029
Alberta nuclear power plant 1 Alberta nuclear power plant Announced - 315 2030
Alberta nuclear power plant 2 Alberta nuclear power plant Announced - 315 2030
Bruce nuclear power plant C1 Bruce nuclear power plant Announced - 1,000 -
Bruce nuclear power plant C2 Bruce nuclear power plant Announced - 1,000 -
Bruce nuclear power plant C3 Bruce nuclear power plant Announced - 1,000 -
Bruce nuclear power plant C4 Bruce nuclear power plant Announced - 1,000 -
Darlington New nuclear power plant 2 Darlington New nuclear power plant Announced - 300 2036
Darlington New nuclear power plant 3 Darlington New nuclear power plant Announced - 300 2036
Darlington New nuclear power plant 4 Darlington New nuclear power plant Announced - 300 2036
Peace River nuclear power plant 1 Peace River nuclear power plant Announced - 1,200 2035
Peace River nuclear power plant 2 Peace River nuclear power plant Announced - 1,200 -
Peace River nuclear power plant 3 Peace River nuclear power plant Announced - 1,200 -
Peace River nuclear power plant 4 Peace River nuclear power plant Announced - 1,200 -
Point Lepreau nuclear power plant SMR 2 Point Lepreau nuclear power plant Announced MSR 300 2030
Prodigy nuclear power plant Prodigy nuclear power plant Announced - 5 -
Saskatchewan SMR nuclear power plant Saskatchewan SMR nuclear power plant Announced BWR 300 2035
Wesleyville nuclear power plant 1 Wesleyville nuclear power plant Announced - 1,000 2040
Wesleyville nuclear power plant 10 Wesleyville nuclear power plant Announced - 1,000 -
Wesleyville nuclear power plant 2 Wesleyville nuclear power plant Announced - 1,000 -
Wesleyville nuclear power plant 3 Wesleyville nuclear power plant Announced - 1,000 -
Wesleyville nuclear power plant 4 Wesleyville nuclear power plant Announced - 1,000 -
Wesleyville nuclear power plant 5 Wesleyville nuclear power plant Announced - 1,000 -
Wesleyville nuclear power plant 6 Wesleyville nuclear power plant Announced - 1,000 -
Wesleyville nuclear power plant 7 Wesleyville nuclear power plant Announced - 1,000 -
Wesleyville nuclear power plant 8 Wesleyville nuclear power plant Announced - 1,000 -
Wesleyville nuclear power plant 9 Wesleyville nuclear power plant Announced - 1,000 -
Chalk River nuclear power plant Chalk River nuclear power plant Shelved - 5 -
Darlington nuclear power plant 5 Darlington nuclear power plant Cancelled PWR 1,200 -
Darlington nuclear power plant 6 Darlington nuclear power plant Cancelled PWR 1,200 -
Douglas Point (AECL) nuclear power plant Douglas Point (AECL) nuclear power plant Retired PHWR 218 1968
Gentilly nuclear power plant 1 Gentilly nuclear power plant Retired PHWR 266 1972
Gentilly nuclear power plant 2 Gentilly nuclear power plant Retired PHWR 675 1983
Nanticoke nuclear power plant 1 Nanticoke nuclear power plant Cancelled - 1,350 -
Nanticoke nuclear power plant 2 Nanticoke nuclear power plant Cancelled - 1,350 -
Nuclear Power Demonstration (NPD) nuclear power plant Nuclear Power Demonstration (NPD) nuclear power plant Retired PHWR 25 1962
Pickering nuclear power plant A1 Pickering nuclear power plant Retired PHWR 542 1971
Pickering nuclear power plant A2 Pickering nuclear power plant Retired PHWR 542 1971
Pickering nuclear power plant A3 Pickering nuclear power plant Retired PHWR 542 1972
Pickering nuclear power plant A4 Pickering nuclear power plant Retired PHWR 542 1973
Point Lepreau nuclear power plant 2 Point Lepreau nuclear power plant Cancelled - 1,100 -
Saskatchewan Research Council nuclear power plant Saskatchewan Research Council nuclear power plant Cancelled - 5 -
Saskatchewan nuclear power plant 1 Saskatchewan nuclear power plant Cancelled - 1,000 -
Saskatchewan nuclear power plant 2 Saskatchewan nuclear power plant Cancelled - 1,000 -
Whitemud nuclear power plant 1 Whitemud nuclear power plant Cancelled PHWR 1,100 -
Whitemud nuclear power plant 2 Whitemud nuclear power plant Cancelled PHWR 1,100 -

More on Canada

Fuel supply exposure

The fuel families Canada's operating reactors take, and the fabricators our sources document as able to make each. This is capability, not contracts: it does not say who actually supplies a given plant.

Fuel familyUnitsGW grossDocumented fabricatorsNote
CANDU / PHWR bundles1713.5Cameco Corporation, BWX Technologies, Nuclear Power Corporation of India, KEPCO Nuclear Fuel, China North Nuclear Fuel Company

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