2000 | 2019 | 2020 | ||
---|---|---|---|---|
Total Lighting Energy Use1 (PJ)a | 55.1 | 50.2 | 52.8 | |
Activity | ||||
Total Households (thousands)a | 11,652 | 14,770 | 14,925 | |
Energy Intensity (GJ/Household)a | 4.7 | 3.4 | 3.5 | |
Heat Loss (PJ)a | 24.1 | 22.8 | 21.4 | |
Total Space Cooling Energy Use1 (PJ)a | 13.1 | 24.2 | 35.9 | |
Energy Use by Cooling System Type (PJ)a | ||||
Room | 2.2 | 3.1 | 4.4 | |
Central | 10.9 | 21.1 | 31.5 | |
Activity | ||||
Cooled Floor Space (million m2)a | 500 | 1,071 | 1,099 | |
Energy Intensity (MJ/m2)a | 26.2 | 22.6 | 32.6 | |
Cooling Degree-Day Indexa,b | 0.91 | 1.23 | 1.76 | |
Total Cooling System Stock (thousands)a | 4,030 | 8,191 | 8,344 | |
System Stock by Type (thousands)a | ||||
Room | 1,425 | 2,435 | 2,439 | |
Central | 2,605 | 5,756 | 5,904 | |
New Unit Efficiencya | ||||
Room (EER) | 9.4 | 12.0 | 12.0 | |
Central (SEER) | 10.3 | 13.0 | 13.0 | |
Stock Efficiencya | ||||
Room (EER) | 8.3 | 11.7 | 11.8 | |
Central (SEER) | 9.6 | 12.7 | 12.8 |
Footnotes:
1) Lighting and space cooling consume only electricity.
Sources: