Table 6a. U.S. Residential Energy Intensity Using Weather-Adjusted 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	1980	1981	1982	1984	1987	1990	1993	1997	2001
U.S. Total	128	109	111	99	105	104	104	100	99	95
Mobile Home	88	80	80	71	74	79	83	79	78	78
Single-Family Detached	143	120	126	109	118	118	121	116	115	112
Single-Family Attached	130	115	107	108	111	102	93	93	93	104
Apartments in Buildings with 2 to 4 Units	121	108	99	94	98	96	101	96	90	81
Apartments in Buildings with 5 or More Units	76	71	66	66	71	66	53	50	48	42
Total Northeast	154	131	129	119	127	126	132	118	119	111
Mobile Home	95	95	103	91	90	89	97	91	85	93
Single-Family Detached	181	143	152	132	145	152	157	148	140	141
Single-Family Attached	137	135	125	132	128	122	123	104	119	119
Apartments in Buildings with 2 to 4 Units	143	137	118	113	120	118	127	120	106	105
Apartments in Buildings with 5 or More Units	117	101	89	87	90	81	71	63	65	52
Total Midwest	167	136	149	120	130	131	131	129	132	122
Mobile Home	131	110	123	83	97	98	104	103	110	105
Single-Family Detached	177	148	167	133	143	145	148	146	148	138
Single-Family Attached	163	92	141	100	121	138	119	132	126	131
Apartments in Buildings with 2 to 4 Units	142	127	122	119	123	124	131	140	121	111
Apartments in Buildings with 5 or More Units	76	73	73	70	88	81	58	64	58	43
Total South	91	90	85	88	87	84	87	85	83	84
Mobile Home	73	86	62	59	55	64	67	67	69	67
Single-Family Detached	104	92	95	97	97	96	103	99	97	97
Single-Family Attached	86	72	76	105	86	63	61	86	69	82
Apartments in Buildings with 2 to 4 Units	67	67	60	69	67	64	60	48	57	50
Apartments in Buildings with 5 or More Units	42	34	49	57	55	55	45	41	41	43
Total West	102	82	87	75	85	80	79	72	73	71
Mobile Home	83	77	83	69	80	79	77	76	74	72
Single-Family Detached	120	95	103	88	102	94	92	88	90	88
Single-Family Attached	114	75	84	78	82	84	86	64	62	77
Apartments in Buildings with 2 to 4 Units	97	65	60	58	60	64	61	55	51	45
Apartments in Buildings with 5 or More Units	59	42	44	42	54	50	43	35	35	32
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 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_6a_table.htm