Table F-2. Building characteristics and energy use by region and year of construction
Region Year of construction Energy use Energy intensity
(PJ) Q.I. (GJ/m2) Q.I.
Atlantic Total 72.0 A 1.03 A
Before 1920 1.7 B 0.74 A
1920 to 1959 6.4 A 0.97 A
1960 to 1969 F 1.15 A
1970 to 1979 14.5 A 1.02 A
1980 to 1989 7.6 A 0.86 A
1990 to 1999 10.6 B 1.06 A
2000 or later 9.5 B 1.03 A
2000 to 2004 3.4 A 1.14 A
2005 or later 6.1 C 0.97 A
Quebec Total 157.4 A 0.89 A
Before 1920 13.6 C 1.0 A
1920 to 1959 20.7 A 0.9 A
1960 to 1969 22.6 A 0.7 A
1970 to 1979 F 0.8 A
1980 to 1989 19.3 B 0.9 A
1990 to 1999 F 1.4 A
2000 or later 14.0 B 0.9 B
2000 to 2004 9.1 C 1.05 A
2005 or later 4.9 C F
Ontario Total 316.9 A 1.14 A
Before 1920 23.4 B 0.96 A
1920 to 1959 44.8 B 1.14 A
1960 to 1969 39.9 A 0.92 A
1970 to 1979 65.5 A 1.59 A
1980 to 1989 49.5 A 1.23 A
1990 to 1999 43.6 C 1.08 A
2000 or later 50.4 B 1.04 A
2000 to 2004 27.5 B 0.96 B
2005 or later 22.9 C 1.16 B
Prairies Total 210.9 A 1.35 A
Before 1920 7.8 C 0.94 B
1920 to 1959 15.6 A 1.15 A
1960 to 1969 26.5 A 1.36 A
1970 to 1979 43.0 A 1.29 A
1980 to 1989 41.3 A 1.30 A
1990 to 1999 29.5 C 1.30 A
2000 or later 47.2 C 1.75 A
2000 to 2004 F 2.42 B
2005 or later 19.1 C 1.25 A
British Columbia Total 85.1 B 0.99 A
Before 1920 4.0 C 0.75 B
1920 to 1959 F F
1960 to 1969 9.9 B 0.88 A
1970 to 1979 15.5 B 0.89 A
1980 to 1989 F F
1990 to 1999 14.0 B 0.86 A
2000 or later 16.0 B 1.17 B
2000 to 2004 5.9 C 1.2 B
2005 or later 10.1 C 0.7 A
Canada Total 842.2 A 1.10 A
Before 1920 50.5 A 0.88 A
1920 to 1959 98.9 A 1.49 A
1960 to 1969 120.6 A 1.32 A
1970 to 1979 183.1 A 1.15 A
1980 to 1989 131.9 A 1.14 A
1990 to 1999 120.1 A 1.14 A
2000 or later 137.1 A 1.20 A
2000 to 2004 74.0 B 1.34 A
2005 or later 63.1 A 1.06 A

Note:

Due to rounding, numbers may not add up to the total shown, and some numbers may differ from one table to the next.

Legend:

Quality indicators (Q.I.) classify each estimate according to its quality as follows: A–Excellent, B–Good, C–Acceptable, D–Use with caution, F–Too unreliable to be published and X–suppressed due to confidentiality.