Table 5.9  Refinery Capacity and Utilization, 1949-2011
Year	Operable Refineries 1	Operable Refineries Capacity		Gross Input to Distillation Units 3	Utilization 4
		On January 1	Annual Average 2
	Number	Thousand Barrels per Calendar Day		Thousand Barrels per Day	Percent
1949	336	6,231	NA	5,556	89.2
1950	320	6,223	NA	5,980	92.5
1951	325	6,702	NA	6,760	97.5
1952	327	7,161	NA	6,929	93.8
1953	315	7,620	NA	7,263	93.1
1954	308	7,984	NA	7,266	88.8
1955	296	8,386	NA	7,820	92.2
1956	317	8,583	NA	8,250	93.5
1957	317	9,072	NA	8,222	89.2
1958	315	9,358	NA	8,024	83.9
1959	313	9,761	NA	8,356	85.2
1960	309	9,843	NA	8,439	85.1
1961	309	9,999	NA	8,571	85.7
1962	309	10,015	NA	8,830	88.2
1963	304	10,011	NA	9,144	90.0
1964	298	10,306	NA	9,283	89.6
1965	293	10,420	NA	9,557	91.8
1966	280	10,394	NA	9,990	94.9
1967	276	10,658	NA	10,391	94.4
1968	282	11,353	NA	10,894	94.5
1969	279	11,702	NA	11,249	94.8
1970	276	12,021	NA	11,517	92.6
1971	272	12,860	NA	11,881	90.9
1972	274	13,292	NA	12,431	92.3
1973	268	13,642	NA	13,151	93.9
1974	273	14,362	NA	12,689	86.6
1975	279	14,961	NA	12,902	85.5
1976	276	15,237	NA	13,884	87.8
1977	282	16,398	NA	14,982	89.6
1978	296	17,048	NA	15,071	87.4
1979	308	17,441	NA	14,955	84.4
1980	319	17,988	NA	13,796	75.4
1981	324	18,621	18,603	12,752	68.6
1982	301	17,890	17,432	12,172	69.9
1983	258	16,859	16,668	11,947	71.7
1984	247	16,137	16,035	12,216	76.2
1985	223	15,659	15,671	12,165	77.6
1986	216	15,459	15,459	12,826	82.9
1987	219	15,566	15,642	13,003	83.1
1988	213	15,915	15,927	13,447	R 84.4
1989	204	15,655	15,701	13,551	R 86.3
1990	205	15,572	15,623	13,610	87.1
1991	202	15,676	15,707	13,508	86.0
1992	199	15,696	15,460	13,600	87.9
1993	187	15,121	15,143	13,851	91.5
1994	179	15,034	15,150	14,032	92.6
1995	175	15,434	15,346	14,119	92.0
1996	170	15,333	15,239	14,337	94.1
1997	164	15,452	15,594	14,838	95.2
1998	163	15,711	15,802	15,113	95.6
1999	159	16,261	16,282	15,080	92.6
2000	158	16,512	16,525	15,299	92.6
2001	155	16,595	16,582	15,352	92.6
2002	153	16,785	16,744	15,180	90.7
2003	149	16,757	16,748	15,508	92.6
2004	149	16,894	16,974	15,783	93.0
2005	148	17,125	17,196	15,578	90.6
2006	149	17,339	17,385	15,602	89.7
2007	149	17,443	17,450	15,450	88.5
2008	150	17,594	17,607	15,027	85.3
2009	150	17,672	17,678	14,659	82.9
2010	148	17,584	R 17,575	R 15,177	R 86.4
2011P	148	17,736	17,726	15,283	86.2
1Through 1956, includes only those refineries in operation on January 1; beginning in 1957, includes all "operable" refineries on January 1.  See "Operable Refineries" in Glossary. R=Revised.  P=Preliminary.  NA=Not available.   2Average of monthly capacity data. Web Page:  For related information, see http://www.eia.gov/petroleum/. 3See Note 3, "Gross Input to Distillation Units," at end of section. Sources:  ·  1949-1977—Bureau of Mines, Information Circular, "Petroleum Refineries, Including Cracking Plants in the United States"; Minerals Yearbook, "Crude Petroleum and Petroleum Products" and "Natural Gas Liquids" chapters; and Mineral Industry Surveys, Petroleum Refineries, Annual, annual reports.  ·  1978-1980—U.S. Energy Information Administration (EIA), Energy Data Reports, Petroleum Refineries in the United States, annual reports.  ·  1981-2005—EIA, Petroleum Supply Annual (PSA), annual reports; and Form EIA-810, "Monthly Refinery Report."  ·  2006-2010—EIA, PSA, annual reports; and Refinery Capacity Report, annual reports.  ·  2011—EIA, Refinery Capacity Report (June 2011), Table 1; and Petroleum Supply Monthly (January-December 2011 issues), Table 30. 4Through 1980, utilization is calculated by dividing gross input to distillation units by one-half of the sum of the current year's January 1 capacity and the following year's January 1 capacity.  Beginning in 1981, utilization is calculated by dividing gross input to distillation units by the annual average capacity.