Residential Sector
Alberta
Table 23: Single Attached Heating System Stock by Heating System Type
  2000   2001 2002 2003 2004 2005 2006 2007 2008
Total Single Attached Heating System Stock (thousands) 133.7   137.1 141.5 146.4 151.8 157.0 162.3 168.6 175.4

Heating System Stock by Heating System Type (thousands)
Heating Oil – Normal Efficiency 0.9   0.8 0.7 0.6 0.5 0.4 0.4 0.3 0.3
Heating Oil – Medium Efficiency 0.3   0.5 0.6 0.7 0.8 0.9 0.9 1.0 1.0
Heating Oil – High Efficiency 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Natural Gas – Normal Efficiency 62.6   58.2 53.3 48.6 42.5 36.9 31.7 27.0 23.0
Natural Gas – Medium Efficiency 57.6   63.3 69.8 76.0 83.5 90.0 95.9 101.4 104.9
Natural Gas – High Efficiency 6.9   8.8 11.3 13.9 17.6 21.1 24.8 29.4 35.9
Electric 2.3   2.6 2.8 3.4 3.7 4.5 5.2 5.9 6.6
Heat Pump 0.5   0.5 0.6 0.6 0.6 0.7 0.7 0.8 0.9
Other1 1.9   1.9 2.0 2.0 2.0 2.0 2.1 2.1 2.1
Wood 0.4   0.4 0.4 0.5 0.5 0.5 0.5 0.5 0.5

Dual Systems
Wood/Electric 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Wood/Heating Oil 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Natural Gas/Electric 0.1   0.1 0.2 0.2 0.2 0.2 0.2 0.2 0.2
Heating Oil/Electric 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

Shares (%)
Heating Oil – Normal Efficiency 0.6   0.6 0.5 0.4 0.3 0.3 0.2 0.2 0.2
Heating Oil – Medium Efficiency 0.3   0.3 0.4 0.5 0.5 0.5 0.6 0.6 0.6
Heating Oil – High Efficiency 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Natural Gas – Normal Efficiency 46.9   42.5 37.7 33.2 28.0 23.5 19.5 16.0 13.1
Natural Gas – Medium Efficiency 43.1   46.1 49.3 51.9 55.0 57.3 59.1 60.1 59.8
Natural Gas – High Efficiency 5.2   6.4 8.0 9.5 11.6 13.4 15.3 17.4 20.5
Electric 1.7   1.9 2.0 2.3 2.4 2.8 3.2 3.5 3.7
Heat Pump 0.4   0.4 0.4 0.4 0.4 0.4 0.5 0.5 0.5
Other1 1.4   1.4 1.4 1.4 1.3 1.3 1.3 1.2 1.2
Wood 0.3   0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3

Dual Systems
Wood/Electric 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Wood/Heating Oil 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Natural Gas/Electric 0.1   0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
Heating Oil/Electric 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

Footnotes:

1) “Other” includes coal and propane.