Residential Sector
Atlantic
Table 22: Single Detached Heating System Stock by Heating System Type
  1990   2012 2013 2014 2015
Total Single Detached Heating System Stock (thousands) 579.2   746.9 757.0 759.7 762.7

Heating System Stock by Heating System Type (thousands)
Heating Oil – Normal Efficiency 216.9   0.0 0.0 0.0 0.0
Heating Oil – Medium Efficiency 11.3   134.8 133.9 130.9 133.9
Heating Oil – High Efficiency 0.0   0.0 0.0 0.0 0.0
Natural Gas – Normal Efficiency 1.5   0.4 0.4 0.3 0.2
Natural Gas – Medium Efficiency 0.2   3.4 3.4 3.4 3.3
Natural Gas – High Efficiency 0.3   8.8 12.7 13.1 13.7
Electric 187.1   427.7 416.5 421.3 420.4
Heat Pump 7.6   26.3 28.0 28.7 29.3
Other1 8.7   6.5 8.9 8.9 8.8
Wood 15.8   3.2 13.0 12.4 12.4

Dual Systems
Wood/Electric 68.0   67.8 70.5 70.7 70.7
Wood/Heating Oil 59.5   63.2 64.7 64.9 64.7
Natural Gas/Electric 0.0   0.0 0.0 0.0 0.0
Heating Oil/Electric 2.4   4.8 5.0 5.2 5.3

Shares (%)
Heating Oil – Normal Efficiency 37.4   0.0 0.0 0.0 0.0
Heating Oil – Medium Efficiency 2.0   18.1 17.7 17.2 17.6
Heating Oil – High Efficiency 0.0   0.0 0.0 0.0 0.0
Natural Gas – Normal Efficiency 0.3   0.1 0.0 0.0 0.0
Natural Gas – Medium Efficiency 0.0   0.4 0.5 0.4 0.4
Natural Gas – High Efficiency 0.1   1.2 1.7 1.7 1.8
Electric 32.3   57.3 55.0 55.5 55.1
Heat Pump 1.3   3.5 3.7 3.8 3.8
Other1 1.5   0.9 1.2 1.2 1.2
Wood 2.7   0.4 1.7 1.6 1.6

Dual Systems
Wood/Electric 11.7   9.1 9.3 9.3 9.3
Wood/Heating Oil 10.3   8.5 8.5 8.5 8.5
Natural Gas/Electric 0.0   0.0 0.0 0.0 0.0
Heating Oil/Electric 0.4   0.6 0.7 0.7 0.7

Footnotes:

1) “Other” includes coal and propane.