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Underground Natural Gas Storage by All Operators
(Million Cubic Feet)
Data Series: Period:
 Monthly 
 Show Data By:
Data Series Area
May-25 Jun-25 Jul-25 Aug-25 Sep-25 Oct-25 View
History
U.S.
7,126,078 7,480,808 7,633,704 7,819,635 8,127,744 8,433,997 1973-2025
Alaska
40,845 42,690 45,061 47,636 49,834 51,018 2013-2025
Lower 48 States
7,085,233 7,438,118 7,588,643 7,771,999 8,077,909 8,382,980 2011-2025
Alabama
37,303 34,149 27,723 30,232 32,904 37,056 1995-2025
Arkansas
15,042 15,975 16,976 17,896 18,523 19,082 1990-2025
California
511,812 531,914 545,581 537,391 542,490 556,859 1990-2025
Colorado
102,177 107,454 112,233 114,759 119,493 121,361 1990-2025
Illinois
809,598 837,874 857,780 886,626 928,064 972,894 1990-2025
Indiana
93,429 95,495 97,957 101,903 106,205 109,254 1990-2025
Iowa
226,437 231,024 231,199 237,346 252,495 270,167 1990-2025
Kansas
226,758 241,525 250,648 256,096 270,527 272,096 1990-2025
Kentucky
190,926 193,654 192,801 197,938 200,456 206,813 1990-2025
Louisiana
578,266 602,133 605,430 607,757 609,217 642,042 1990-2025
Maryland
57,394 59,124 58,432 59,280 61,272 62,078 1990-2025
Michigan
749,873 823,628 874,709 929,263 987,297 1,025,911 1990-2025
Minnesota
5,310 5,355 5,727 6,074 6,496 6,885 1990-2025
Mississippi
247,287 242,117 225,699 225,029 236,479 258,051 1990-2025
Missouri
12,454 12,444 12,450 12,442 12,499 12,936 1990-2025
Montana
200,960 204,674 209,054 213,991 219,763 221,167 1990-2025
Nebraska
31,725 32,876 33,162 32,870 32,862 33,215 1990-2025
New Mexico
66,498 65,996 66,541 65,922 68,172 70,648 1990-2025
New York
179,566 189,408 192,180 199,471 209,602 218,748 1990-2025
Ohio
423,679 446,093 465,286 490,366 515,653 526,803 1990-2025
Oklahoma
302,457 323,249 324,870 320,797 331,573 343,574 1990-2025
Oregon
27,174 32,318 34,092 33,297 33,937 34,930 1990-2025
Pennsylvania
553,509 596,130 604,464 636,856 681,284 711,231 1990-2025
Tennessee
2,289 2,363 2,456 2,456 2,456 2,456 1997-2025
Texas
737,868 773,619 780,638 767,841 779,418 812,395 1990-2025
Utah
105,224 111,948 117,255 119,869 124,205 127,601 1990-2025
Virginia
8,171 8,376 8,522 8,302 8,509 8,386 1997-2025
Washington
40,476 42,759 43,724 43,246 44,819 43,828 1990-2025
West Virginia
392,326 418,594 432,797 459,178 482,588 491,257 1990-2025
Wyoming
149,245 155,848 158,259 157,503 158,652 163,254 1990-2025
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
1,614,645 1,717,726 1,761,681 1,853,453 1,958,908 2,018,503 2013-2025
South Central Region
2,144,981 2,232,767 2,231,983 2,225,649 2,278,640 2,384,296 2013-2025
Midwest Region
2,090,317 2,201,839 2,275,079 2,374,048 2,495,968 2,607,318 2013-2025
Mountain Region
655,828 678,796 696,503 704,915 723,147 737,247 2013-2025
Pacific Region
579,462 606,991 623,397 613,934 621,246 635,616 2013-2025
- = 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: 12/31/2025
Next Release Date: 1/30/2026