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U.S. Residential Buildings Primary Energy
Intensity


Page Last Revised: June 2009


Table 8b. U.S. Residential Energy Intensity Using Weather-Adjusted Primary Energy1 by Census Region and Type of Housing Unit, 1978-2005
(Million Btu per Household Member)

Type of Housing Unit and Census Region

1978

1980

1981

1982

1984

1987

1990

1993

1997

2001
2005

U.S. Total

68
61
62
58
60
64
66
64
66
65
66

Mobile Home

59
57
57
51
55
56
55
59
63
63
60

Single-Family Detached

70
63
64
59
63
67
69
69
70
71
71

Single-Family Attached

64
52
56
54
63
67
66
61
63
63
60

Apartments in Buildings with 2 to 4 Units

68
56
62
55
53
57
64
57
60
57
55

Apartments in Buildings with 5 or More Units

54
57
57
59
54
55
49
45
43
42
49

Total Northeast

70
62
63
59
63
67
69
64
68
67
67

Mobile Home

82
54
51
52
63
55
52
65
72
68
65

Single-Family Detached

73
63
63
59
67
73
76
73
75
78
76

Single-Family Attached

60
53
58
61
63
64
61
54
69
62
57

Apartments in Buildings with 2 to 4 Units

74
64
63
55
59
61
67
60
62
66
61

Apartments in Buildings with 5 or More Units

58
66
69
62
57
58
50
44
44
42
50

Total Midwest

75
67
75
63
69
73
76
76
75
75
74

Mobile Home

68
72
75
58
65
63
63
65
75
71
70

Single-Family Detached

77
69
78
64
71
75
78
79
78
79
77

Single-Family Attached

81
56
70
61
72
71
74
80
74
70
74

Apartments in Buildings with 2 to 4 Units

69
55
74
58
61
71
84
72
70
64
78

Apartments in Buildings with 5 or More Units

54
58
56
60
63
67
61
58
49
52
52

Total South

60
61
59
61
58
64
67
68
70
71
70

Mobile Home

50
54
49
47
47
52
48
56
62
61
62

Single-Family Detached

64
63
60
61
60
66
71
71
74
76
75

Single-Family Attached

62
57
54
56
68
73
66
72
68
76
65

Apartments in Buildings with 2 to 4 Units

57
51
59
65
51
51
55
50
57
58
55

Apartments in Buildings with 5 or More Units

46
57
56
66
51
57
54
55
50
53
55

Total West

67
50
51
49
51
50
50
47
49
46
51

Mobile Home

79
56
68
55
60
56
58
56
56
61
51

Single-Family Detached

68
52
53
50
55
53
52
52
53
52
55

Single-Family Attached

65
45
49
38
38
55
74
45
44
38
48

Apartments in Buildings with 2 to 4 Units

67
45
41
42
38
42
44
40
38
32
33

Apartments in Buildings with 5 or More Units

58
43
41
49
45
42
36
30
33
30
36

1. The amount of site consumption, plus losses that occur in the generation, transmission, and distribution of energy.
Sources: Energy Information Administration, Residential Energy Consumption Surveys, 1978, 1980, 1981, 1982, 1984, 1987, 1990, 1993, 1997, 2001, and 2005; National Oceanic and Atmospheric Administration tapes.