2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Total Space Heating GHG Emissions Including Electricity (Mt of CO2e) | 46.2 | 43.3 | 45.5 | 47.5 | 47.2 | 45.4 | 42.6 | 48.4 | 47.9 | 45.7 | 43.1 | 44.4 | 40.2 | 42.9 | 43.4 | 42.7 | 40.0 | 40.9 | |
GHG Emissions by System Type (Mt of CO2e) | |||||||||||||||||||
Heating Oil – Normal Efficiency | 2.4 | 2.0 | 1.6 | 1.1 | 0.8 | 0.6 | 0.5 | 0.4 | 0.3 | 0.2 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Heating Oil – Medium Efficiency | 4.0 | 4.0 | 4.5 | 4.5 | 5.2 | 5.0 | 4.6 | 5.2 | 4.8 | 4.7 | 4.5 | 4.4 | 3.7 | 3.2 | 3.1 | 3.0 | 2.7 | 2.5 | |
Heating Oil – High Efficiency | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Natural Gas – Normal Efficiency | 13.6 | 11.5 | 11.4 | 10.9 | 9.3 | 7.9 | 6.4 | 6.0 | 5.0 | 3.8 | 2.7 | 2.1 | 1.2 | 0.6 | 0.3 | 0.1 | 0.1 | 0.0 | |
Natural Gas – Medium Efficiency | 7.4 | 7.1 | 8.3 | 9.1 | 9.3 | 9.5 | 9.5 | 11.2 | 11.6 | 11.3 | 10.6 | 11.4 | 10.4 | 11.2 | 10.9 | 10.0 | 9.2 | 9.0 | |
Natural Gas – High Efficiency | 3.5 | 3.6 | 4.4 | 5.2 | 5.6 | 6.2 | 6.3 | 7.9 | 9.0 | 9.3 | 9.5 | 11.2 | 10.9 | 13.2 | 14.1 | 14.4 | 14.2 | 15.4 | |
Electric | 9.0 | 9.1 | 9.3 | 10.6 | 10.3 | 9.5 | 8.9 | 10.3 | 10.0 | 9.4 | 9.1 | 8.6 | 7.7 | 8.4 | 8.5 | 8.8 | 7.8 | 8.0 | |
Heat Pump | 0.8 | 0.8 | 0.9 | 1.0 | 1.0 | 0.9 | 0.9 | 1.0 | 1.0 | 0.9 | 0.9 | 0.9 | 0.8 | 0.9 | 0.9 | 0.9 | 0.8 | 0.8 | |
Other1 | 0.7 | 0.8 | 0.7 | 0.7 | 0.7 | 0.9 | 0.9 | 1.0 | 1.1 | 1.0 | 1.0 | 1.1 | 1.2 | 1.0 | 0.9 | 0.8 | 1.0 | 1.0 | |
Wood | 0.4 | 0.4 | 0.3 | 0.3 | 0.3 | 0.4 | 0.3 | 0.4 | 0.4 | 0.4 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.2 | 0.2 | |
Dual Systems | |||||||||||||||||||
Wood/Electric | 1.7 | 1.5 | 1.5 | 1.5 | 1.6 | 1.6 | 1.5 | 1.8 | 1.9 | 1.9 | 1.8 | 1.9 | 1.8 | 2.1 | 2.2 | 2.2 | 2.1 | 2.1 | |
Wood/Heating Oil | 1.6 | 1.5 | 1.6 | 1.5 | 1.7 | 1.7 | 1.6 | 1.8 | 1.7 | 1.7 | 1.6 | 1.5 | 1.3 | 1.3 | 1.3 | 1.3 | 1.2 | 1.2 | |
Natural Gas/Electric | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 | 0.2 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | |
Heating Oil/Electric | 0.8 | 0.8 | 0.8 | 0.8 | 1.1 | 0.9 | 0.9 | 1.0 | 0.9 | 0.8 | 0.7 | 0.6 | 0.6 | 0.5 | 0.6 | 0.6 | 0.6 | 0.5 | |
Shares (%) | |||||||||||||||||||
Heating Oil – Normal Efficiency | 5.3 | 4.5 | 3.5 | 2.3 | 1.8 | 1.3 | 1.1 | 0.9 | 0.7 | 0.4 | 0.2 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | |
Heating Oil – Medium Efficiency | 8.6 | 9.3 | 9.9 | 9.4 | 11.0 | 11.0 | 10.8 | 10.7 | 10.0 | 10.3 | 10.5 | 10.0 | 9.1 | 7.6 | 7.2 | 7.1 | 6.7 | 6.0 | |
Heating Oil – High Efficiency | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Natural Gas – Normal Efficiency | 29.5 | 26.6 | 25.1 | 22.8 | 19.6 | 17.4 | 14.9 | 12.4 | 10.5 | 8.3 | 6.3 | 4.7 | 3.0 | 1.5 | 0.8 | 0.3 | 0.1 | 0.1 | |
Natural Gas – Medium Efficiency | 16.1 | 16.5 | 18.2 | 19.2 | 19.8 | 20.9 | 22.3 | 23.2 | 24.2 | 24.8 | 24.6 | 25.6 | 25.9 | 26.0 | 25.1 | 23.5 | 22.9 | 21.9 | |
Natural Gas – High Efficiency | 7.6 | 8.4 | 9.6 | 10.9 | 11.9 | 13.6 | 14.9 | 16.4 | 18.8 | 20.3 | 22.0 | 25.2 | 27.1 | 30.7 | 32.6 | 33.8 | 35.4 | 37.7 | |
Electric | 19.4 | 21.1 | 20.5 | 22.3 | 21.8 | 21.0 | 20.9 | 21.3 | 21.0 | 20.6 | 21.0 | 19.3 | 19.3 | 19.5 | 19.6 | 20.5 | 19.5 | 19.5 | |
Heat Pump | 1.7 | 1.9 | 1.9 | 2.1 | 2.1 | 2.0 | 2.0 | 2.1 | 2.1 | 2.1 | 2.1 | 1.9 | 1.9 | 2.0 | 2.0 | 2.1 | 2.0 | 2.0 | |
Other1 | 1.5 | 1.8 | 1.6 | 1.6 | 1.5 | 1.9 | 2.1 | 2.1 | 2.3 | 2.1 | 2.4 | 2.4 | 2.9 | 2.2 | 2.0 | 2.0 | 2.4 | 2.4 | |
Wood | 0.9 | 0.8 | 0.8 | 0.7 | 0.7 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.7 | 0.7 | 0.7 | 0.7 | 0.6 | 0.6 | 0.6 | 0.5 | |
Dual Systems | |||||||||||||||||||
Wood/Electric | 3.7 | 3.6 | 3.4 | 3.1 | 3.3 | 3.5 | 3.6 | 3.8 | 3.9 | 4.2 | 4.1 | 4.3 | 4.6 | 4.8 | 5.0 | 5.1 | 5.1 | 5.1 | |
Wood/Heating Oil | 3.4 | 3.5 | 3.4 | 3.2 | 3.7 | 3.8 | 3.8 | 3.7 | 3.5 | 3.7 | 3.7 | 3.5 | 3.3 | 3.0 | 2.9 | 2.9 | 3.0 | 2.8 | |
Natural Gas/Electric | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.8 | 0.8 | |
Heating Oil/Electric | 1.7 | 1.7 | 1.7 | 1.7 | 2.2 | 2.1 | 2.0 | 2.0 | 1.8 | 1.8 | 1.7 | 1.5 | 1.4 | 1.3 | 1.3 | 1.3 | 1.5 | 1.3 | |
GHG Intensity (tonne/TJ) | 52.3 | 53.6 | 53.1 | 53.6 | 52.9 | 51.9 | 51.4 | 51.5 | 50.2 | 48.7 | 49.4 | 47.5 | 46.5 | 45.5 | 44.8 | 45.5 | 44.8 | 44.3 | |
Heat Gains (PJ) | 96.0 | 90.7 | 95.8 | 99.6 | 100.4 | 94.8 | 89.1 | 98.5 | 102.0 | 105.1 | 94.6 | 99.7 | 94.3 | 105.5 | 109.2 | 102.6 | 96.3 | 99.8 | |
Heating Degree-Day Index | 0.96 | 0.88 | 0.93 | 0.96 | 0.95 | 0.92 | 0.85 | 0.93 | 0.95 | 0.96 | 0.87 | 0.90 | 0.84 | 0.93 | 0.98 | 0.92 | 0.89 | 0.92 |