| All-Electric Homes | Dual-Fuel Homes | ||
One-shared wall | Two-shared wall | One-shared wall | Two-shared wall | |
Average Vintage | 1993 | 1997 | 1979 | 1979 |
Average Size sf (m2) | 1309 (122) | 1558 (145) | 1455 (135) | 1566 (145) |
Source Energy Consumption kBtu (kWh) | 141,604 (41,490) | 132,526 (38,830) | 150,386 (44,063) | 147,199 (43,129) |
Average Site Energy Index kBtu/sf (kWh/m2) | 36.3 (114.8) | 27.7 (87.9) | 47.2 (149.6) | 43.3 (137) |