Gas power plants in Canada

85 gas power plants in Canada, totalling 22,817 MW of installed capacity — ranked by size, from open data.

#	Plant	Region	MW
1	Alberta Sundance power station	Alberta	2,121
2	Lennox	Ontario	2,100
3	Burrard	British Columbia	950
4	Goreway	Ontario	915
5	Shepard	Alberta	881
6	Halton Hills	Ontario	683
7	Queen Elizabeth	Saskatchewan	634
8	Portlands	Ontario	624
9	St. Clair	Michigan	584
10	Brighton Beach	Michigan	580
11	Bécancour	Quebec	507
12	Tufts Cove	Nova Scotia	500
13	York Energy Centre	Ontario	494
14	Joffre	Alberta	480
15	TransAlta Sarnia Cogeneration	Michigan	444
16	Bécancour (HQ)	Quebec	412
17	Brandon	Manitoba	385
18	Great Plains power station	Saskatchewan	370
19	Poplar Creek	Alberta	360
20	Chinook Swift power station	Saskatchewan	353
21	Calgary Energy Centre	Alberta	320
22	Green Electron power station	Ontario	300
23	Bayside Power	New Brunswick	290
24	Thorold CGS	Ontario	285
25	Island Generation	British Columbia	275
26	North Battleford	Saskatchewan	260
27	Clover Bar	Alberta	250
28	Cory Cogeneration	Saskatchewan	249
29	Meridian Cogeneration	Saskatchewan	228
30	Muskeg River	Alberta	202
31	Goldboro LNG power station	Nova Scotia	180
32	Christina Lake	Alberta	170
33	Firebag 3	Alberta	170
34	Mahkeses	Alberta	170
35	Nabiye	Alberta	170
36	Scotford (Shell)	Alberta	170
37	MacKay River	Alberta	165
38	Aurora	Alberta	160
39	Firebag 4	Alberta	160
40	Cardinal	New York	156
41	Destec - Kingston	Ontario	140
42	Yellowhead	Saskatchewan	138
43	Kirkland G1-G5	Ontario	132
44	West Windsor	Michigan	123
45	Mississauga	Ontario	122
46	Balzac	Alberta	120
47	Cavalier	Alberta	120
48	Iroquois Falls	Ontario	120
49	McMahon Cogeneration	British Columbia	120
50	Fort Saskatchewan (TransAlta)	Alberta	118
51	Lake Superior	Michigan	110
52	Grande Prairie generating station	Alberta	105
53	Firebag	Alberta	104
54	Horizon (CNRL)	Alberta	103
55	Kearl	British Columbia	100
56	Valleyview	Alberta	100
57	Bear Creek cogeneration power station	Alberta	100
58	East Windsor Cogeneration	Ontario	92
59	Ermine	Saskatchewan	92
60	GTAA Cogeneration	Ontario	90
61	Grandview	New Brunswick	90
62	Rainbow Lake B	Alberta	90
63	Sarnia Refinery power station	Ontario	90
64	Rainbow Lake A	Alberta	88
65	Spy Hill	Alberta	86
66	Aurora	Saskatchewan	85
67	Northern Prairie	Alberta	85
68	Primrose	Alberta	85
69	Meadow Creek East cogeneration station	Alberta	85
70	Meadow Creek West cogeneration station	Alberta	85
71	Carseland	Alberta	80
72	Foster Creek	Alberta	80
73	Scotford Air Liquide	Alberta	80
74	Landis	Saskatchewan	78
75	Fort Nelson generating station	British Columbia	73
76	Windsor Cogeneration	Ontario	72
77	Suncor Utility Plant	Ontario	70
78	Ottawa Health Sciences Centre	Ontario	68
79	Stelco Lake Erie cogeneration plant	Ontario	65
80	Algoma Cogeneration	Ontario	63
81	Medicine Hat power station	Alberta	55
82	Hardwoods	Newfoundland and Labrador	54
83	Stephenville	Newfoundland and Labrador	54
84	Dupont Maitland	Ontario	50
85	Whitby	Ontario	50

WRI Global Power Plant Database (CC BY 4.0).

Lifecycle and source reconciliation

This page contains 112 positive-capacity records totalling 37,176.1 MW. Lifecycle labels, capacity scope and capacity-quality provenance are kept separate so a source-backed capacity is not mistaken for a verified operating status.

62records with a resolvable source link

50records without a retained record-level link

Lifecycle labels in this page slice

Status	Records
Announced	16
Construction	1
Mothballed	1
Not Reported	20
Operating	65
Unclassified	9

Capacity provenance quality

Quality label	Records
current source verified gem operating units 2026	9
legacy source record not current verified	50
source verified gem tracker location 2026	50
source verified wikidata p2109 strict match	3

Unknown upstream labels remain unclassified; they are never guessed. Download the exact records used here: CSV · JSON with limitations.