| 2000 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | ||
|---|---|---|---|---|---|---|---|---|
| Total Lighting Energy Use1 (PJ)a | 55.1 | 56.8 | 56.0 | 54.1 | 51.6 | 51.5 | 50.4 | |
Activity | ||||||||
| Total Households (thousands)a | 11,652 | 13,876 | 13,991 | 14,137 | 14,296 | 14,367 | 14,569 | |
| Energy Intensity (GJ/Household)a | 4.7 | 4.1 | 4.0 | 3.8 | 3.6 | 3.6 | 3.5 | |
| Heat Loss (PJ)a | 24.1 | 24.3 | 25.2 | 22.9 | 21.1 | 21.7 | 22.0 | |
| Total Space Cooling Energy Use1 (PJ)a | 13.1 | 24.0 | 22.1 | 27.9 | 35.2 | 26.7 | 36.1 | |
Energy Use by Cooling System Type (PJ)a | ||||||||
| Room | 2.2 | 3.5 | 3.4 | 3.9 | 4.3 | 3.7 | 4.8 | |
| Central | 10.9 | 20.5 | 18.7 | 24.0 | 30.9 | 23.1 | 31.3 | |
Activity | ||||||||
| Cooled Floor Space (million m2)a | 500 | 907 | 933 | 955 | 988 | 1,015 | 1,043 | |
| Energy Intensity (MJ/m2)a | 26.2 | 26.5 | 23.7 | 29.2 | 35.6 | 26.3 | 34.6 | |
| Cooling Degree-Day Indexa,b | 0.91 | 1.18 | 1.11 | 1.37 | 1.78 | 1.37 | 1.89 | |
| Total Cooling System Stock (thousands)a | 4,030 | 7,271 | 7,413 | 7,567 | 7,729 | 7,878 | 8,036 | |
System Stock by Type (thousands)a | ||||||||
| Room | 1,425 | 2,422 | 2,412 | 2,425 | 2,426 | 2,428 | 2,434 | |
| Central | 2,605 | 4,849 | 5,001 | 5,142 | 5,304 | 5,450 | 5,601 | |
New Unit Efficiencya | ||||||||
| Room (EER) | 9.4 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | |
| Central (SEER) | 10.3 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | |
Stock Efficiencya | ||||||||
| Room (EER) | 8.3 | 11.0 | 11.2 | 11.3 | 11.4 | 11.5 | 11.6 | |
| Central (SEER) | 9.6 | 11.6 | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | |
Footnotes:
1) Lighting and space cooling consume only electricity.
Sources: