Table 8a. U.S. Residential Energy Intensity Using Weather-Adjusted Primary 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 Spreadsheet (xls)
	1978	1980	1981	1982	1984	1987	1990	1993	1997	2001
U.S. Total	192	179	173	158	169	174	177	172	178	167
Mobile Home	161	161	129	116	187	142	150	167	179	163
Single-Family Detached	217	201	199	174	186	197	209	199	211	196
Single-Family Attached	191	164	144	204	177	213	179	193	202	168
Apartments in Buildings with 2 to 4 Units	162	151	128	141	131	137	142	110	94	130
Apartments in Buildings with 5 or More Units	113	111	116	101	121	114	90	101	87	84
Total Northeast	200	183	176	162	176	181	184	169	171	163
Mobile Home	147	378	130	134	239	132	113	149	140	152
Single-Family Detached	240	222	212	185	216	216	240	206	229	208
Single-Family Attached	188	262	134	256	160	184	177	167	212	162
Apartments in Buildings with 2 to 4 Units	179	156	159	139	134	149	173	127	81	144
Apartments in Buildings with 5 or More Units	140	105	129	102	120	123	81	112	86	84
Total Midwest	224	196	204	174	184	192	197	195	202	188
Mobile Home	185	140	227	126	258	172	218	148	138	172
Single-Family Detached	241	206	227	184	194	224	225	224	234	212
Single-Family Attached	223	60	191	367	259	204	141	242	349	195
Apartments in Buildings with 2 to 4 Units	175	172	131	158	174	144	161	127	156	157
Apartments in Buildings with 5 or More Units	96	231	130	124	114	98	102	123	74	78
Total South	172	183	163	164	169	174	182	181	191	181
Mobile Home	145	157	113	108	156	134	123	220	192	172
Single-Family Detached	191	197	182	183	179	183	208	200	215	202
Single-Family Attached	186	112	168	95	503	211	186	247	166	174
Apartments in Buildings with 2 to 4 Units	132	148	105	158	81	162	135	78	104	120
Apartments in Buildings with 5 or More Units	102	144	119	99	128	135	106	99	113	109
Total West	169	144	148	127	145	144	143	133	140	126
Mobile Home	197	154	110	132	154	131	158	116	248	141
Single-Family Detached	200	178	180	139	164	167	173	158	166	154
Single-Family Attached	172	215	111	152	37	390	214	144	162	126
Apartments in Buildings with 2 to 4 Units	134	107	88	103	134	95	85	90	43	82
Apartments in Buildings with 5 or More Units	98	57	85	83	118	94	76	78	72	65
Sources: Energy Information Administration, Residential Energy Consumption Surveys, 1978, 1980, 1981, 1982, 1984, 1987, 1990, 1993, 1997, and 2001; National Oceanic and Atmospheric Administration tapes.

For specific questions about the "Residential Energy Intensity Using Weather-Adjusted Primary 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_8a_table.htm