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Underground Natural Gas Storage by All Operators
(Million Cubic Feet)
Data Series: Period:
 Monthly 
 Show Data By:
Data Series Area
Feb-26 Mar-26 Apr-26 May-26 Jun-26 Jul-26 View
History
U.S.
6,398,509 6,403,137 6,710,832 7,139,580 7,498,871 7,642,065 1973-2026
Alaska
43,790 41,966 42,522 44,191 46,738 49,227 2013-2026
Lower 48 States
6,354,719 6,361,172 6,668,311 7,095,389 7,452,133 7,592,837 2011-2026
Alabama
22,186 27,754 33,313 35,281 33,947 27,246 1995-2026
Arkansas
14,841 14,501 15,012 15,763 16,549 17,383 1990-2026
California
513,004 514,349 527,483 544,969 557,320 544,737 1990-2026
Colorado
104,631 107,575 99,736 101,093 106,490 109,281 1990-2026
Illinois
812,160 791,288 792,161 816,290 855,783 872,892 1990-2026
Indiana
94,889 93,390 93,758 94,684 95,906 97,923 1990-2026
Iowa
228,704 223,646 223,091 229,250 235,046 236,629 1990-2026
Kansas
226,643 223,232 223,154 224,402 237,473 245,776 1990-2026
Kentucky
153,396 161,764 174,325 190,175 198,014 198,869 1990-2026
Louisiana
465,659 486,327 517,808 568,629 605,630 616,346 1990-2026
Maryland
53,350 51,488 51,849 53,163 54,508 56,309 1990-2026
Michigan
589,149 569,752 649,370 737,912 824,800 884,752 1990-2026
Minnesota
5,627 5,173 5,001 5,039 5,265 5,567 1990-2026
Mississippi
185,853 204,633 225,538 235,093 235,441 203,884 1990-2026
Missouri
12,373 12,662 12,659 12,568 12,404 12,366 1990-2026
Montana
198,407 195,046 198,210 202,683 207,118 209,386 1990-2026
Nebraska
30,343 30,379 30,766 31,257 32,070 32,304 1990-2026
New Mexico
70,627 72,834 75,761 75,556 72,371 70,554 1990-2026
New York
160,557 150,645 159,191 173,719 183,082 190,107 1990-2026
Ohio
411,750 394,171 403,543 425,293 446,581 468,734 1990-2026
Oklahoma
262,291 268,284 285,024 303,026 315,095 318,126 1990-2026
Oregon
27,046 28,583 29,276 32,661 34,821 34,861 1990-2026
Pennsylvania
468,787 465,896 504,708 557,871 601,253 624,564 1990-2026
Tennessee
2,278 2,303 2,381 2,466 2,466 2,466 1997-2026
Texas
629,887 660,819 689,752 717,840 736,539 739,369 1990-2026
Utah
101,195 104,756 109,732 117,222 121,238 123,749 1990-2026
Virginia
7,507 7,127 7,519 7,755 7,679 7,787 1997-2026
Washington
35,779 34,554 35,879 41,545 43,727 43,240 1990-2026
West Virginia
323,601 311,892 342,048 387,283 415,393 440,638 1990-2026
Wyoming
142,201 146,349 150,261 154,900 158,124 156,992 1990-2026
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
1,425,551 1,381,220 1,468,858 1,605,084 1,708,495 1,788,140 2013-2026
South Central Region
1,807,360 1,885,550 1,989,602 2,100,034 2,180,673 2,168,130 2013-2026
Midwest Region
1,898,574 1,859,978 1,952,747 2,088,385 2,229,684 2,311,465 2013-2026
Mountain Region
647,404 656,938 664,466 682,712 697,412 702,265 2013-2026
Pacific Region
575,829 577,486 592,638 619,174 635,868 622,837 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: 9/30/2026
Next Release Date: 10/30/2026