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Underground Natural Gas Storage by All Operators
(Million Cubic Feet)
Data Series: Period:
 Monthly 
 Show Data By:
Data Series Area
Jan-26 Feb-26 Mar-26 Apr-26 May-26 Jun-26 View
History
U.S.
6,899,690 6,398,509 6,403,137 6,710,832 7,139,580 7,498,871 1973-2026
Alaska
45,171 43,790 41,966 42,522 44,191 46,738 2013-2026
Lower 48 States
6,854,519 6,354,719 6,361,172 6,668,311 7,095,389 7,452,133 2011-2026
Alabama
24,251 22,186 27,754 33,313 35,281 33,947 1995-2026
Arkansas
15,717 14,841 14,501 15,012 15,763 16,549 1990-2026
California
520,954 513,004 514,349 527,483 544,969 557,320 1990-2026
Colorado
105,842 104,631 107,575 99,736 101,093 106,490 1990-2026
Illinois
857,089 812,160 791,288 792,161 816,290 855,783 1990-2026
Indiana
99,202 94,889 93,390 93,758 94,684 95,906 1990-2026
Iowa
239,700 228,704 223,646 223,091 229,250 235,046 1990-2026
Kansas
233,917 226,643 223,232 223,154 224,402 237,473 1990-2026
Kentucky
166,741 153,396 161,764 174,325 190,175 198,014 1990-2026
Louisiana
531,670 465,659 486,327 517,808 568,629 605,630 1990-2026
Maryland
57,352 53,350 51,488 51,849 53,163 54,508 1990-2026
Michigan
685,361 589,149 569,752 649,370 737,912 824,800 1990-2026
Minnesota
5,879 5,627 5,173 5,001 5,039 5,265 1990-2026
Mississippi
198,913 185,853 204,633 225,538 235,093 235,441 1990-2026
Missouri
11,509 12,373 12,662 12,659 12,568 12,404 1990-2026
Montana
203,506 198,407 195,046 198,210 202,683 207,118 1990-2026
Nebraska
31,255 30,343 30,379 30,766 31,257 32,070 1990-2026
New Mexico
69,837 70,627 72,834 75,761 75,556 72,371 1990-2026
New York
179,187 160,557 150,645 159,191 173,719 183,082 1990-2026
Ohio
442,979 411,750 394,171 403,543 425,293 446,581 1990-2026
Oklahoma
276,649 262,291 268,284 285,024 303,026 315,095 1990-2026
Oregon
30,079 27,046 28,583 29,276 32,661 34,821 1990-2026
Pennsylvania
541,471 468,787 465,896 504,708 557,871 601,253 1990-2026
Tennessee
2,314 2,278 2,303 2,381 2,466 2,466 1997-2026
Texas
665,797 629,887 660,819 689,752 717,840 736,539 1990-2026
Utah
105,540 101,195 104,756 109,732 117,222 121,238 1990-2026
Virginia
7,393 7,507 7,127 7,519 7,755 7,679 1997-2026
Washington
38,984 35,779 34,554 35,879 41,545 43,727 1990-2026
West Virginia
359,670 323,601 311,892 342,048 387,283 415,393 1990-2026
Wyoming
145,759 142,201 146,349 150,261 154,900 158,124 1990-2026
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
1,588,052 1,425,551 1,381,220 1,468,858 1,605,084 1,708,495 2013-2026
South Central Region
1,946,914 1,807,360 1,885,550 1,989,602 2,100,034 2,180,673 2013-2026
Midwest Region
2,067,795 1,898,574 1,859,978 1,952,747 2,088,385 2,229,684 2013-2026
Mountain Region
661,739 647,404 656,938 664,466 682,712 697,412 2013-2026
Pacific Region
590,018 575,829 577,486 592,638 619,174 635,868 2013-2026
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: Change in Working Gas from Same Period, Previous Year, includes data for Alaska which had no working gas recorded for periods prior to January 2013.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 8/31/2026
Next Release Date: 9/30/2026