Home > Households, Buildings & Industry > Energy Efficiency Page > Energy Intensities >Table 8a


U.S. Residential Housing Weather-Adjusted Primary Energy
Intensity


Page Last Revised: July 2009

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

Type of Housing Unit and Census Region 

1978

1980

1981

1982

1984

1987

1990

1993

1997

2001
2005

U.S. Total

192

179

173

158

169

174

177

172

178

167
169

Mobile Home

161

161

129

116

187

142

150

167

179

163
148

Single-Family Detached

217

201

199

174

186

197

209

199

211

196
194

Single-Family Attached

191

164

144

204

177

213

179

193

202

168
149

Apartments in Buildings with 2 to 4 Units

162

151

128

141

131

137

142

110

94

130
133

Apartments in Buildings with 5 or More Units

113

111

116

101

121

114

90

101

87

84
100

Total Northeast

200

183

176

162

176

181

184

169

171

163
172

Mobile Home

147

378

130

134

239

132

113

149

140

152
113

Single-Family Detached

240

222

212

185

216

216

240

206

229

208
207

Single-Family Attached

188

262

134

256

160

184

177

167

212

162
158

Apartments in Buildings with 2 to 4 Units

179

156

159

139

134

149

173

127

81

144
155

Apartments in Buildings with 5 or More Units

140

105

129

102

120

123

81

112

86

84
105

Total Midwest

224

196

204

174

184

192

197

195

202

188
184

Mobile Home

185

140

227

126

258

172

218

148

138

172
156

Single-Family Detached

241

206

227

184

194

224

225

224

234

212
203

Single-Family Attached

223

60

191

367

259

204

141

242

349

195
165

Apartments in Buildings with 2 to 4 Units

175

172

131

158

174

144

161

127

156

157
155

Apartments in Buildings with 5 or More Units

96

231

130

124

114

98

102

123

74

78
99

Total South

172

183

163

164

169

174

182

181

191

181
176

Mobile Home

145

157

113

108

156

134

123

220

192

172
159

Single-Family Detached

191

197

182

183

179

183

208

200

215

202
198

Single-Family Attached

186

112

168

95

503

211

186

247

166

174
156

Apartments in Buildings with 2 to 4 Units

132

148

105

158

81

162

135

78

104

120
123

Apartments in Buildings with 5 or More Units

102

144

119

99

128

135

106

99

113

109
112

Total West

169

144

148

127

145

144

143

133

140

126
139

Mobile Home

197

154

110

132

154

131

158

116

248

141
130

Single-Family Detached

200

178

180

139

164

167

173

158

166

154
165

Single-Family Attached

172

215

111

152

37

390

214

144

162

126
117

Apartments in Buildings with 2 to 4 Units

134

107

88

103

134

95

85

90

43

82
93

Apartments in Buildings with 5 or More Units

98

57

85

83

118

94

76

78

72

65
74

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.