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U.S. Residential Housing Site Energy
Intensity


Page Last Revised: July 2009

Table 5b. U.S. Residential Energy Intensity Using Site Energy1 by Census Region and Type of Housing Unit, 1978-2005
(Million Btu per Household Member)

Type of Housing Unit and Census Region

 

1978

1979

1980

1981

1982

1984

1987

1990

1993

1997

2001
2005

U.S. Total

49

45

41

41

38

39

39

38

40

39

36
37

Mobile Home

35

34

33

32

28

30

30

29

31

32

29
29

Single-Family Detached

50

46

41

42

38

40

40

40

43

42

40
40

Single-Family Attached

47

49

38

39

38

42

40

36

37

40

37
36

Apartments in Buildings with 2 to 4 Units

56

55

43

44

40

39

39

42

41

41

34
35

Apartments in Buildings with 5 or More Units

39

38

40

36

38

35

34

26

26

24

21
27

Total Northeast

58

52

49

48

44

46

48

45

47

48

44
48

Mobile Home

57

38

36

33

35

42

37

29

41

44

40
45

Single-Family Detached

60

55

46

46

43

47

51

49

53

52

50
53

Single-Family Attached

47

50

42

46

46

47

47

40

39

51

44
40

Apartments in Buildings with 2 to 4 Units

64

60

56

52

44

47

48

49

49

49

46
46

Apartments in Buildings with 5 or More Units

52

41

56

52

49

44

43

33

31

31

25
36

Total Midwest

60

57

48

54

44

50

48

49

52

51

46
46

Mobile Home

52

51

50

51

34

40

37

38

41

48

42
43

Single-Family Detached

61

57

50

56

45

51

48

50

55

54

49
47

Single-Family Attached

63

63

38

49

34

51

45

45

59

55

45
48

Apartments in Buildings with 2 to 4 Units

60

66

45

55

45

49

53

60

59

52

43
52

Apartments in Buildings with 5 or More Units

46

48

40

35

40

49

47

36

37

31

27
32

Total South

35

34

35

32

32

31

33

31

34

33

32
32

Mobile Home

28

28

28

25

22

21

24

20

24

26

23
26

Single-Family Detached

38

35

36

34

33

33

35

34

37

36

36
34

Single-Family Attached

31

39

40

29

35

31

30

26

34

31

35
30

Apartments in Buildings with 2 to 4 Units

32

31

31

30

35

29

26

25

23

26

24
25

Apartments in Buildings with 5 or More Units

20

25

30

28

30

26

28

22

24

20

20
23

Total West

43

39

32

31

32

31

29

29

28

28

25
28

Mobile Home

36

33

34

38

34

35

33

33

32

29

31
26

Single-Family Detached

44

39

33

33

32

34

31

30

32

31

29
31

Single-Family Attached

47

46

29

30

27

28

35

39

27

26

23
28

Apartments in Buildings with 2 to 4 Units

53

44

29

25

29

23

24

27

24

23

18
19

Apartments in Buildings with 5 or More Units

38

39

26

24

29

26

24

20

16

17

15
17

1.The Btu value of energy at the point it enters the home, building, or establishment, sometimes referred to as "delivered" energy.
Sources: Energy Information Administration, Residential Energy Consumption Surveys, 1978, 1979, 1980, 1981, 1982, 1984, 1987, 1990, 1993, 1997, 2001, and 2005
.



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