Table 6.6  Natural Gas Underground Storage, 1954-2007                      (Million Cubic Feet)
Year	Natural Gas in Underground Storage																Natural Gas Underground Storage Capacity
	Base Gas 1						Working Gas				Total
	Traditional Storage		Salt Caverns		Total		Traditional Storage		Salt Caverns	Total	Traditional Storage		Salt Caverns		Total
1954	NA		NA		816,664		NA		NA	464,646	NA		NA		1,281,310		NA
1955	NA		NA		863,188		NA		NA	505,079	NA		NA		1,368,267		NA
1956	NA		NA		918,724		NA		NA	583,310	NA		NA		1,502,034		NA
1957	NA		NA		1,001,177		NA		NA	673,212	NA		NA		1,674,389		NA
1958	NA		NA		1,056,199		NA		NA	707,657	NA		NA		1,763,856		NA
1959	NA		NA		NA		NA		NA	NA	NA		NA		1,901,198		NA
1960	NA		NA		NA		NA		NA	NA	NA		NA		2,184,003		NA
1961	NA		NA		NA		NA		NA	NA	NA		NA		2,344,417		NA
1962	NA		NA		1,571,331		NA		NA	933,113	NA		NA		2,504,444		NA
1963	NA		NA		1,737,972		NA		NA	1,006,740	NA		NA		2,744,712		NA
1964	NA		NA		1,781,089		NA		NA	1,158,675	NA		NA		2,939,764		NA
1965	NA		NA		1,847,851		NA		NA	1,242,094	NA		NA		3,089,945		NA
1966	NA		NA		1,957,955		NA		NA	1,266,814	NA		NA		3,224,769		NA
1967	NA		NA		2,057,887		NA		NA	1,318,284	NA		NA		3,376,171		NA
1968	NA		NA		2,128,477		NA		NA	1,366,267	NA		NA		3,494,744		NA
1969	NA		NA		2,180,881		NA		NA	1,421,027	NA		NA		3,601,908		NA
1970	NA		NA		2,325,656		NA		NA	1,678,271	NA		NA		4,003,927		NA
1971	NA		NA		2,484,908		NA		NA	1,840,008	NA		NA		4,324,916		NA
1972	NA		NA		2,750,788		NA		NA	1,729,367	NA		NA		4,480,155		NA
1973	NA		NA		2,863,810		NA		NA	2,034,021	NA		NA		4,897,831		NA
1974	NA		NA		2,911,949		NA		NA	2,050,277	NA		NA		4,962,226		NA
1975	NA		NA		3,162,191		NA		NA	2,211,704	NA		NA		5,373,895		6,280,000
1976	NA		NA		3,323,379		NA		NA	1,926,332	NA		NA		5,249,711		6,544,000
1977	NA		NA		3,390,951		NA		NA	2,474,727	NA		NA		5,865,678		6,678,000
1978	NA		NA		3,472,995		NA		NA	2,546,929	NA		NA		6,019,924		6,890,000
1979	NA		NA		3,552,800		NA		NA	2,753,463	NA		NA		6,306,263		6,929,000
1980	NA		NA		3,642,247		NA		NA	2,654,518	NA		NA		6,296,765		7,434,000
1981	NA		NA		3,752,486		NA		NA	2,816,531	NA		NA		6,569,017		7,805,000
1982	NA		NA		3,808,295		NA		NA	3,071,145	NA		NA		6,879,440		7,915,000
1983	NA		NA		3,846,767		NA		NA	2,595,461	NA		NA		6,442,228		7,985,000
1984	NA		NA		3,830,122		NA		NA	2,876,136	NA		NA		6,706,258		8,043,000
1985	NA		NA		3,841,664		NA		NA	2,606,524	NA		NA		6,448,188		8,087,000
1986	NA		NA		3,818,572		NA		NA	2,748,670	NA		NA		6,567,242		8,145,000
1987	NA		NA		3,791,626		NA		NA	2,755,957	NA		NA		6,547,583		8,124,000
1988	NA		NA		3,800,111		NA		NA	2,849,670	NA		NA		6,649,781		8,124,067
1989	NA		NA		3,812,430		NA		NA	2,512,671	NA		NA		6,325,101		8,120,142
1990	NA		NA		3,868,262		NA		NA	3,068,207	NA		NA		6,936,469		7,794,083
1991	NA		NA		3,954,138		NA		NA	2,823,542	NA		NA		6,777,680		7,993,265
1992	NA		NA		4,043,744		NA		NA	2,596,797	NA		NA		6,640,541		7,931,513
1993	NA		NA		4,327,306		NA		NA	2,321,780	NA		NA		6,649,086		7,988,856
1994	4,316,503		43,588		4,360,092		2,536,416		69,641	2,606,056	6,852,919		113,229		6,966,148		8,042,830
1995	4,289,504		59,730		4,349,234		2,081,635		71,638	2,153,273	6,371,139		131,368		6,502,507		7,952,610
1996	4,276,605		64,105		4,340,710		2,087,411		85,140	2,172,551	6,364,016		149,245		6,513,261		7,980,400
1997	4,282,860		67,223		4,350,083		2,091,909		82,610	2,174,520	6,374,769		149,833		6,524,603		8,331,879
1998	4,258,876		66,984		4,325,860		2,625,599		104,104	2,729,704	6,884,475		171,088		7,055,564		8,178,889
1999	4,314,420		68,615		4,383,035		2,423,265		99,920	2,523,185	6,737,685		168,535		6,906,220		8,229,259
2000	4,281,653		70,437		4,352,090		1,647,021		71,904	1,718,925	5,928,674		142,341		6,071,015		8,240,886
2001	4,223,890		76,848		4,300,737		2,788,903		114,611	2,903,514	7,012,793		191,459		7,204,251		8,415,326
2002	4,265,388		74,847		4,340,234		2,273,147		102,085	2,375,233	6,538,535		176,932		6,715,467		8,207,074
2003	4,227,015		76,138		4,303,153		2,437,631		124,988	2,562,619	6,664,646		201,126		6,865,772		8,205,716
2004	4,129,213		71,911		4,201,124		2,597,807		98,268	2,696,075	6,727,020		170,179		6,897,199		8,255,042
2005	4,122,334		77,679	[R]	4,200,014		2,512,532		122,827	2,635,360	6,634,866		200,506	[R]	6,835,374		8,268,443
2006	4,133,537	[R]	77,411	[R]	4,210,950	[R]	2,925,664	[R]	144,291	3,069,956	7,059,201	[R]	221,702	[R]	7,280,906	[R]	8,329,967	[R]
2007P	4,153,947		79,623		4,233,571		2,756,054		123,175	2,879,230	6,910,001		202,798		7,112,801		8,368,320
1Includes native gas. Web Page:  See http://www.eia.doe.gov/oil_gas/natural_gas/info_glance/natural_gas.html for related information. R=Revised.  P=Preliminary.  NA=Not available.   Sources:  ·  1954-1974—American Gas Association, Gas Facts.  ·  1975-1978—Federal Energy Administration, Form FEA-G318-M-O, "Underground Gas Storage Report," and Federal Power Commission, Form FPC-8, "Underground Gas Storage Report."  ·  1979-1984—Energy Information Administration (EIA), Form EIA-191, "Underground Gas Storage Report," and Federal Energy Regulatory Commission, Form FERC-8, "Underground Gas Storage Report."    ·  1985-2006—EIA, Natural Gas Monthly (NGM), monthly reports, and Natural Gas Annual, annual reports.  ·  2007—EIA, NGM (March 2008), Tables 6, 8, and 9, and Form EIA-191M, "Monthly Underground Gas Storage Report." Notes:  ·  Storage and capacity are at end of year.  ·  Beginning with 1965, all volumes are shown on a pressure base of 14.73 p.s.i.a. at 60° F.  For prior years, the pressure base was 14.65 p.s.i.a. at 60° F. ·  Totals may not equal sum of components due to independent rounding.