Table 5a. U.S. Residential Energy Intensity Using Site Energy 
by Census Region and Type of Housing Unit, 1978-2001(Million Btu per Household)

Type of Housing Unit and Census Region            Survey Years             Excel Worksheet (xls)   1978 1979 1980 1981 1982 1984 1987 1990 1993 1997 2001 U.S. Total 138 126 114 112 102 105 101 98 104 101 92 Mobile Home 94 85 83 81 72 73 77 78 82 80 76 Single-Family Detached 154 138 125 126 113 117 114 113 121 118 108 Single-Family Attached 140 136 119 107 111 111 99 87 96 95 100 Apartments in Buildings with 2 to 4 Units 132 129 113 99 97 97 93 94 100 92 78 Apartments in Buildings with 5 or More Units 82 77 74 66 68 71 64 51 52 49 41 Total Northeast 166 145 138 132 121 125 125 120 122 121 107 Mobile Home 102 86 100 105 93 89 88 88 95 86 89 Single-Family Detached 195 171 150 155 135 144 150 143 153 143 135 Single-Family Attached 147 147 142 128 135 127 121 112 107 121 113 Apartments in Buildings with 2 to 4 Units 155 153 144 121 116 118 116 116 124 108 100 Apartments in Buildings with 5 or More Units 126 94 106 91 89 88 80 66 64 66 51 Total Midwest 180 168 140 146 123 130 122 122 134 134 117 Mobile Home 141 127 113 121 85 97 93 97 106 112 101 Single-Family Detached 191 176 153 164 136 143 135 138 152 150 132 Single-Family Attached 175 174 95 138 102 121 129 111 137 128 125 Apartments in Buildings with 2 to 4 Units 153 157 131 119 122 123 115 121 146 123 106 Apartments in Buildings with 5 or More Units 82 94 75 72 72 88 76 55 66 58 41 Total South 99 92 96 87 87 85 84 81 88 84 83 Mobile Home 80 76 74 64 59 54 64 61 69 69 66 Single-Family Detached 113 100 105 98 96 96 96 94 102 98 95 Single-Family Attached 93 116 116 78 104 84 63 57 89 70 80 Apartments in Buildings with 2 to 4 Units 72 66 74 62 68 65 64 56 50 58 49 Apartments in Buildings with 5 or More Units 44 54 59 50 56 55 55 43 42 41 42 Total West 110 100 84 87 81 85 78 78 76 75 70 Mobile Home 89 86 79 83 74 80 77 76 81 76 72 Single-Family Detached 129 115 98 103 95 102 92 91 93 92 88 Single-Family Attached 123 123 77 85 84 82 82 85 67 63 77 Apartments in Buildings with 2 to 4 Units 105 92 66 60 63 60 63 61 58 52 44 Apartments in Buildings with 5 or More Units 64 63 44 44 45 55 49 43 37 35 32 Sources: Energy Information Administration, Residential Energy Consumption Surveys, 1978, 1979, 1980, 1981, 1982, 1984, 1987,1990, 1993, 1997, and 2001.

For specific questions about the "Residential Energy Intensity Using Site Energy (Million Btu per Household)", please contact: Stephanie J. Battles stephanie.battles@eia.doe.gov Phone: 202-586-7237 Fax:  202-586-0018 Release Date: September 2, 2004  EIA Home  Contact Us URL:   http://www.eia.doe.gov/emeu/efficiency/recs_5a_table.htm