Residential Sector - GHG Emissions
  1990   2012 2013 2014
Total Residential
 
Total GHG Emissions Excluding Electricity (Mt of CO2e) 46.51   42.63 44.16 45.73
Total GHG Emissions Including Electricity (Mt of CO2e) 72.82   64.24 66.76 69.93

GHG Emissions by Building Type (Mt of CO2)
Single Detached 51.39   45.13 46.68 48.71
Single Attached 6.20   6.18 6.55 6.95
Apartments 13.47   11.49 12.09 12.81
Mobile Homes 1.75   1.43 1.44 1.46

GHG Emissions by End-Use (Mt of CO2)
Space Heating 47.03   39.55 42.25 44.62
Water Heating 12.51   14.02 13.95 14.26
Appliances 9.93   7.43 7.62 8.04
Lighting 2.79   2.14 2.17 2.24
Space Cooling 0.56   1.10 0.77 0.76

GHG Emissions by Energy Source (Mt of CO2)
Electricity 26.31   21.60 22.60 24.21
Natural Gas 26.71   31.19 33.71 36.01
Heating Oil 13.23   6.10 5.39 5.14
Other1 1.39   1.22 0.97 0.88
Wood 5.18   4.12 4.09 3.69
GHG Intensity (tonne/TJ) 51.12   44.08 44.00 44.81
GHG Intensity Excluding Electricity (tonne/TJ) 32.65   29.25 29.10 29.30

Single Detached
 
Total GHG Emissions Excluding Electricity (Mt of CO2e) 34.25   31.10 32.07 33.15
Total GHG Emissions Including Electricity (Mt of CO2e) 51.39   45.13 46.68 48.71

GHG Emissions by End-Use (Mt of CO2)
Space Heating 34.79   29.19 30.93 32.50
Water Heating 7.85   8.96 8.89 9.07
Appliances 6.22   4.48 4.59 4.82
Lighting 2.11   1.64 1.67 1.72
Space Cooling 0.43   0.86 0.61 0.60

GHG Emissions by Energy Source (Mt of CO2)
Electricity 17.14   14.03 14.62 15.57
Natural Gas 19.55   22.23 23.97 25.60
Heating Oil 9.34   4.66 4.10 3.92
Other1 1.02   0.90 0.71 0.64
Wood 4.33   3.32 3.29 2.98
GHG Intensity (tonne/TJ) 50.21   44.02 43.93 44.73
GHG Intensity Excluding Electricity (tonne/TJ) 33.46   30.33 30.17 30.44

Single Detached - Space Heating
 
Total GHG Emissions Excluding Electricity (Mt of CO2e) 28.86   23.73 24.78 25.77
Total GHG Emissions Including Electricity (Mt of CO2e) 34.79   29.19 30.93 32.50

GHG Emissions by System Type (Mt of CO2)
Normal Efficiency Equipment 20.92   0.71 0.26 0.11
Medium Efficiency Equipment 0.87   10.15 10.26 10.44
High Efficiency Equipment 0.73   7.74 9.47 10.86
Other Equipment 12.28   10.58 10.94 11.10

GHG Emissions by Energy Source (Mt of CO2)
Electricity 5.93   5.46 6.15 6.73
Natural Gas 15.22   15.70 17.37 18.82
Heating Oil 8.45   4.00 3.55 3.44
Other1 0.88   0.81 0.65 0.59
Wood 4.30   3.22 3.20 2.91
GHG Intensity (tonne/TJ) 48.13   44.09 43.92 44.65

Single Detached - Water Heating
 
Total GHG Emissions Excluding Electricity (Mt of CO2e) 5.27   7.14 7.06 7.14
Total GHG Emissions Including Electricity (Mt of CO2e) 7.85   8.96 8.89 9.07

GHG Emissions by Energy Source (Mt of CO2)
Electricity 2.58   1.81 1.83 1.93
Natural Gas 4.21   6.30 6.36 6.54
Heating Oil 0.89   0.66 0.55 0.48
Other1 0.15   0.08 0.06 0.05
Wood 0.03   0.10 0.09 0.07
GHG Intensity (tonne/TJ) 54.10   47.57 47.37 47.65

Single Detached - Appliances
 
Total GHG Emissions Excluding Electricity (Mt of CO2e) 0.12   0.23 0.23 0.24
Total GHG Emissions Including Electricity (Mt of CO2e) 6.22   4.48 4.59 4.82

GHG Emissions by Electric Appliances (Mt of CO2e)
Refrigerator 2.06   0.72 0.72 0.73
Freezer 0.98   0.27 0.28 0.29
Dishwasher 0.18   0.08 0.08 0.07
Clothes Washer 0.13   0.07 0.07 0.07
Clothes Dryers 1.10   0.87 0.89 0.93
Range 0.77   0.57 0.57 0.59
Other Appliances 0.88   1.68 1.76 1.91

GHG Emissions by Natural Gas Appliances (Mt of CO2e)
Clothes Dryer 0.05   0.05 0.05 0.05
Range 0.07   0.18 0.18 0.18

GHG Emissions by Energy Source (Mt of CO2)
Electricity 6.10   4.25 4.36 4.59
Natural Gas 0.12   0.23 0.23 0.24
Heating Oil 0.00   0.00 0.00 0.00
Other1 0.00   0.00 0.00 0.00
Wood 0.00   0.00 0.00 0.00
GHG Intensity (tonne/TJ) 56.17   40.07 40.28 41.93

Single Detached - Lighting
 
Total GHG Emissions2 (Mt of CO2e) 2.11   1.64 1.67 1.72
GHG Intensity (tonne/TJ) 56.29   39.68 39.90 41.62

Single Detached - Space Cooling
 
Total GHG Emissions2 (Mt of CO2e) 0.43   0.86 0.61 0.60

GHG Emissions by AC Type (Mt of CO2)
Room 0.10   0.08 0.06 0.06
Central 0.33   0.78 0.55 0.54
GHG Intensity (tonne/TJ) 56.29   39.68 39.90 41.62

Single Attached
 
Total GHG Emissions Excluding Electricity (Mt of CO2e) 3.83   4.09 4.36 4.59
Total GHG Emissions Including Electricity (Mt of CO2e) 6.20   6.18 6.55 6.95

GHG Emissions by End-Use (Mt of CO2)
Space Heating 3.70   3.51 3.88 4.18
Water Heating 1.22   1.57 1.58 1.62
Appliances 0.92   0.78 0.80 0.85
Lighting 0.26   0.21 0.21 0.22
Space Cooling 0.09   0.12 0.08 0.08

GHG Emissions by Energy Source (Mt of CO2)
Electricity 2.37   2.10 2.20 2.36
Natural Gas 2.45   3.28 3.61 3.90
Heating Oil 1.01   0.44 0.40 0.38
Other1 0.11   0.13 0.10 0.09
Wood 0.26   0.24 0.24 0.22
GHG Intensity (tonne/TJ) 52.71   44.83 44.83 45.60
GHG Intensity Excluding Electricity (tonne/TJ) 32.58   29.63 29.80 30.12

Single Attached - Space Heating
 
Total GHG Emissions Excluding Electricity (Mt of CO2e) 2.96   2.75 3.02 3.22
Total GHG Emissions Including Electricity (Mt of CO2e) 3.70   3.51 3.88 4.18

GHG Emissions by System Type (Mt of CO2)
Normal Efficiency Equipment 2.45   0.17 0.12 0.07
Medium Efficiency Equipment 0.09   1.16 1.21 1.26
High Efficiency Equipment 0.10   1.08 1.38 1.62
Other Equipment 1.07   1.09 1.17 1.23

GHG Emissions by Energy Source (Mt of CO2)
Electricity 0.74   0.76 0.86 0.96
Natural Gas 1.71   2.06 2.38 2.62
Heating Oil 0.91   0.35 0.32 0.32
Other1 0.09   0.11 0.09 0.08
Wood 0.26   0.23 0.23 0.20
GHG Intensity (tonne/TJ) 51.36   45.37 45.27 45.92

Single Attached - Water Heating
 
Total GHG Emissions Excluding Electricity (Mt of CO2e) 0.85   1.29 1.29 1.32
Total GHG Emissions Including Electricity (Mt of CO2e) 1.22   1.57 1.58 1.62

GHG Emissions by Energy Source (Mt of CO2)
Electricity 0.38   0.28 0.28 0.30
Natural Gas 0.72   1.17 1.19 1.23
Heating Oil 0.10   0.09 0.07 0.06
Other1 0.02   0.02 0.01 0.01
Wood 0.00   0.02 0.02 0.01
GHG Intensity (tonne/TJ) 53.57   47.61 47.47 47.71

Single Attached - Appliances
 
Total GHG Emissions Excluding Electricity (Mt of CO2e) 0.02   0.05 0.05 0.05
Total GHG Emissions Including Electricity (Mt of CO2e) 0.92   0.78 0.80 0.85

GHG Emissions by Electric Appliances (Mt of CO2e)
Refrigerator 0.29   0.11 0.11 0.11
Freezer 0.11   0.03 0.03 0.03
Dishwasher 0.02   0.01 0.01 0.01
Clothes Washer 0.02   0.01 0.01 0.01
Clothes Dryers 0.17   0.15 0.16 0.16
Range 0.13   0.10 0.11 0.11
Other Appliances 0.15   0.31 0.33 0.36

GHG Emissions by Natural Gas Appliances (Mt of CO2e)
Clothes Dryer 0.01   0.01 0.01 0.01
Range 0.01   0.04 0.04 0.04

GHG Emissions by Energy Source (Mt of CO2)
Electricity 0.90   0.73 0.75 0.80
Natural Gas 0.02   0.05 0.05 0.05
Heating Oil 0.00   0.00 0.00 0.00
Other1 0.00   0.00 0.00 0.00
Wood 0.00   0.00 0.00 0.00
GHG Intensity (tonne/TJ) 56.13   40.14 40.35 41.98

Single Attached - Lighting
 
Total GHG Emissions2 (Mt of CO2e) 0.26   0.21 0.21 0.22
GHG Intensity (tonne/TJ) 56.29   39.68 39.90 41.62

Single Attached - Space Cooling
 
Total GHG Emissions2 (Mt of CO2e) 0.09   0.12 0.08 0.08

GHG Emissions by AC Type (Mt of CO2)
Room 0.02   0.03 0.02 0.02
Central 0.07   0.09 0.06 0.06
GHG Intensity (tonne/TJ) 56.29   39.68 39.90 41.62

Apartments
 
Total GHG Emissions Excluding Electricity (Mt of CO2e) 7.21   6.42 6.73 6.98
Total GHG Emissions Including Electricity (Mt of CO2e) 13.47   11.49 12.09 12.81

GHG Emissions by End-Use (Mt of CO2)
Space Heating 7.30   5.87 6.44 6.92
Water Heating 3.17   3.24 3.24 3.33
Appliances 2.58   2.02 2.07 2.21
Lighting 0.38   0.26 0.26 0.27
Space Cooling 0.04   0.10 0.07 0.07

GHG Emissions by Energy Source (Mt of CO2)
Electricity 6.27   5.07 5.36 5.83
Natural Gas 4.03   4.99 5.41 5.76
Heating Oil 2.52   0.84 0.76 0.71
Other1 0.21   0.17 0.14 0.13
Wood 0.44   0.42 0.42 0.38
GHG Intensity (tonne/TJ) 54.17   43.95 43.92 44.78
GHG Intensity Excluding Electricity (tonne/TJ) 28.97   24.56 24.43 24.41

Apartments - Space Heating
 
Total GHG Emissions Excluding Electricity (Mt of CO2e) 5.25   3.91 4.21 4.43
Total GHG Emissions Including Electricity (Mt of CO2e) 7.30   5.87 6.44 6.92

GHG Emissions by System Type (Mt of CO2)
Normal Efficiency Equipment 4.49   0.29 0.24 0.18
Medium Efficiency Equipment 0.11   1.69 1.73 1.77
High Efficiency Equipment 0.12   1.37 1.73 2.02
Other Equipment 2.57   2.51 2.74 2.96

GHG Emissions by Energy Source (Mt of CO2)
Electricity 2.04   1.96 2.23 2.49
Natural Gas 2.54   2.74 3.12 3.41
Heating Oil 2.13   0.64 0.58 0.56
Other1 0.15   0.14 0.12 0.11
Wood 0.43   0.38 0.39 0.36
GHG Intensity (tonne/TJ) 53.16   44.23 44.10 44.86

Apartments - Water Heating
 
Total GHG Emissions Excluding Electricity (Mt of CO2e) 1.91   2.41 2.41 2.44
Total GHG Emissions Including Electricity (Mt of CO2e) 3.17   3.24 3.24 3.33

GHG Emissions by Energy Source (Mt of CO2)
Electricity 1.26   0.83 0.83 0.89
Natural Gas 1.45   2.15 2.19 2.25
Heating Oil 0.39   0.20 0.17 0.15
Other1 0.06   0.03 0.02 0.02
Wood 0.01   0.04 0.03 0.02
GHG Intensity (tonne/TJ) 54.70   46.83 46.71 47.10

Apartments - Appliances
 
Total GHG Emissions Excluding Electricity (Mt of CO2e) 0.05   0.10 0.10 0.11
Total GHG Emissions Including Electricity (Mt of CO2e) 2.58   2.02 2.07 2.21

GHG Emissions by Electric Appliances (Mt of CO2e)
Refrigerator 0.87   0.29 0.28 0.29
Freezer 0.20   0.05 0.05 0.06
Dishwasher 0.05   0.02 0.02 0.02
Clothes Washer 0.04   0.02 0.02 0.02
Clothes Dryers 0.37   0.26 0.27 0.29
Range 0.47   0.32 0.32 0.33
Other Appliances 0.53   0.95 0.99 1.09

GHG Emissions by Natural Gas Appliances (Mt of CO2e)
Clothes Dryer 0.01   0.01 0.01 0.01
Range 0.04   0.09 0.10 0.10

GHG Emissions by Energy Source (Mt of CO2)
Electricity 2.54   1.92 1.97 2.10
Natural Gas 0.05   0.10 0.10 0.11
Heating Oil 0.00   0.00 0.00 0.00
Other1 0.00   0.00 0.00 0.00
Wood 0.00   0.00 0.00 0.00
GHG Intensity (tonne/TJ) 56.18   40.07 40.29 41.92

Apartments - Lighting
 
Total GHG Emissions2 (Mt of CO2e) 0.38   0.26 0.26 0.27
GHG Intensity (tonne/TJ) 56.29   39.68 39.90 41.62

Apartments - Space Cooling
 
Total GHG Emissions2 (Mt of CO2e) 0.04   0.10 0.07 0.07

GHG Emissions by AC Type (Mt of CO2)
Room 0.02   0.06 0.04 0.04
Central 0.02   0.05 0.03 0.03
GHG Intensity (tonne/TJ) 56.29   39.68 39.90 41.62

Mobile Homes
 
Total GHG Emissions Excluding Electricity (Mt of CO2e) 1.22   1.02 1.01 1.01
Total GHG Emissions Including Electricity (Mt of CO2e) 1.75   1.43 1.44 1.46

GHG Emissions by End-Use (Mt of CO2)
Space Heating 1.24   0.99 1.00 1.02
Water Heating 0.27   0.25 0.24 0.25
Appliances 0.20   0.15 0.16 0.17
Lighting 0.04   0.03 0.03 0.03
Space Cooling 0.00   0.01 0.01 0.01

GHG Emissions by Energy Source (Mt of CO2)
Electricity 0.53   0.40 0.43 0.45
Natural Gas 0.67   0.70 0.72 0.75
Heating Oil 0.36   0.17 0.14 0.13
Other1 0.05   0.02 0.02 0.02
Wood 0.15   0.13 0.13 0.11
GHG Intensity Excluding Electricity (tonne/TJ) 35.29   31.30 30.48 30.53
GHG Intensity (tonne/TJ) 50.57   43.68 43.38 44.31

Mobile Homes - Space Heating
 
Total GHG Emissions Excluding Electricity (Mt of CO2e) 1.03   0.80 0.80 0.80
Total GHG Emissions Including Electricity (Mt of CO2e) 1.24   0.99 1.00 1.02

GHG Emissions by System Type (Mt of CO2)
Normal Efficiency Equipment 0.81   0.06 0.04 0.02
Medium Efficiency Equipment 0.00   0.58 0.60 0.65
High Efficiency Equipment 0.00   0.00 0.00 0.00
Other Equipment 0.43   0.35 0.36 0.35

GHG Emissions by Energy Source (Mt of CO2)
Electricity 0.21   0.19 0.21 0.22
Natural Gas 0.52   0.51 0.53 0.56
Heating Oil 0.32   0.14 0.12 0.11
Other1 0.04   0.02 0.02 0.02
Wood 0.15   0.13 0.13 0.11
GHG Intensity (tonne/TJ) 48.83   43.29 42.93 43.87

Mobile Homes - Water Heating
 
Total GHG Emissions Excluding Electricity (Mt of CO2e) 0.19   0.21 0.21 0.20
Total GHG Emissions Including Electricity (Mt of CO2e) 0.27   0.25 0.24 0.25

GHG Emissions by Energy Source (Mt of CO2)
Electricity 0.08   0.04 0.04 0.04
Natural Gas 0.15   0.18 0.18 0.18
Heating Oil 0.04   0.03 0.02 0.02
Other1 0.01   0.00 0.00 0.00
Wood 0.00   0.00 0.00 0.00
GHG Intensity (tonne/TJ) 54.50   48.74 48.44 48.61

Mobile Homes - Appliances
 
Total GHG Emissions Excluding Electricity (Mt of CO2e) 0.00   0.01 0.01 0.01
Total GHG Emissions Including Electricity (Mt of CO2e) 0.20   0.15 0.16 0.17

GHG Emissions by Electric Appliances (Mt of CO2e)
Refrigerator 0.06   0.02 0.02 0.02
Freezer 0.03   0.01 0.01 0.01
Dishwasher 0.00   0.00 0.00 0.00
Clothes Washer 0.00   0.00 0.00 0.00
Clothes Dryers 0.04   0.03 0.03 0.03
Range 0.03   0.02 0.02 0.02
Other Appliances 0.03   0.06 0.06 0.07

GHG Emissions by Natural Gas Appliances (Mt of CO2e)
Clothes Dryer 0.00   0.00 0.00 0.00
Range 0.00   0.01 0.01 0.01

GHG Emissions by Energy Source (Mt of CO2)
Electricity 0.20   0.15 0.15 0.16
Natural Gas 0.00   0.01 0.01 0.01
Heating Oil 0.00   0.00 0.00 0.00
Other1 0.00   0.00 0.00 0.00
Wood 0.00   0.00 0.00 0.00
GHG Intensity (tonne/TJ) 56.16   40.08 40.28 41.93

Mobile Homes - Lighting
 
Total GHG Emissions2 (Mt of CO2e) 0.04   0.03 0.03 0.03
GHG Intensity (tonne/TJ) 56.29   39.68 39.90 41.62

Mobile Homes - Space Cooling
 
Total GHG Emissions2 (Mt of CO2e) 0.00   0.01 0.01 0.01

GHG Emissions by AC Type (Mt of CO2)
Room 0.00   0.00 0.00 0.00
Central 0.00   0.00 0.00 0.00
GHG Intensity (tonne/TJ) 56.29   39.68 39.90 41.62

Footnotes:

1) "Other" includes coal and propane.
2) Consumes only electricity.