Table 7a. U.S. Residential Energy Intensity Using 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 Worksheet (xls)
	1978	1979	1980	1981	1982	1984	1987	1990	1993	1997	2001
U.S. Total	204	189	176	172	160	164	163	164	172	172	164
Mobile Home	169	158	147	142	134	136	140	142	159	161	160
Single-Family Detached	230	211	197	195	180	186	188	190	201	199	192
Single-Family Attached	204	193	169	160	161	168	161	152	163	151	164
Apartments in Buildings with 2 to 4 Units	173	166	148	137	133	132	133	136	142	137	127
Apartments in Buildings with 5 or More Units	120	118	114	105	102	109	102	91	92	90	83
Total Northeast	212	192	185	178	163	171	173	170	171	171	158
Mobile Home	154	138	157	166	136	135	131	148	153	141	148
Single-Family Detached	253	228	210	216	189	204	214	207	217	205	202
Single-Family Attached	198	196	187	168	178	167	165	157	150	165	157
Apartments in Buildings with 2 to 4 Units	191	185	172	149	146	145	148	146	157	139	139
Apartments in Buildings with 5 or More Units	149	132	138	121	112	115	108	95	92	93	83
Total Midwest	239	226	199	200	177	181	178	180	199	197	182
Mobile Home	196	177	168	168	146	164	152	155	173	176	168
Single-Family Detached	256	241	219	224	198	204	201	205	225	222	206
Single-Family Attached	237	248	145	189	186	173	196	172	193	176	189
Apartments in Buildings with 2 to 4 Units	187	185	165	156	155	155	146	157	183	167	152
Apartments in Buildings with 5 or More Units	103	123	114	107	102	114	104	90	107	93	76
Total South	182	171	176	162	162	160	165	167	179	178	179
Mobile Home	153	149	149	131	126	121	141	136	163	166	170
Single-Family Detached	203	185	194	178	177	176	183	190	200	201	199
Single-Family Attached	198	178	176	146	165	180	156	141	192	154	171
Apartments in Buildings with 2 to 4 Units	139	125	124	120	118	112	125	118	113	127	119
Apartments in Buildings with 5 or More Units	107	118	118	106	105	109	114	101	98	103	108
Total West	180	164	137	146	132	141	132	135	132	134	126
Mobile Home	210	188	129	152	123	139	129	131	145	149	141
Single-Family Detached	212	193	159	168	155	168	157	157	158	161	154
Single-Family Attached	183	176	123	145	125	111	128	160	120	108	126
Apartments in Buildings with 2 to 4 Units	143	132	103	101	97	100	107	99	100	87	82
Apartments in Buildings with 5 or More Units	105	96	77	80	82	96	83	76	71	72	66
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 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_7a_table.htm