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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-25 Mar-25 Apr-25 May-25 Jun-25 Jul-25 View
History
U.S.
6,277,974 6,326,377 6,630,453 7,126,080 7,480,813 7,634,710 1973-2025
Alaska
38,874 38,710 39,295 40,847 42,695 45,070 2013-2025
Lower 48 States
6,239,100 6,287,667 6,591,159 7,085,233 7,438,118 7,589,640 2011-2025
Alabama
23,367 30,887 34,873 37,303 34,149 27,723 1995-2025
Arkansas
14,322 13,658 14,128 15,042 15,975 16,976 1990-2025
California
462,579 467,114 487,600 511,812 531,914 545,581 1990-2025
Colorado
97,349 98,264 97,287 102,177 107,454 112,233 1990-2025
Illinois
811,463 791,778 791,597 809,598 837,874 857,780 1990-2025
Indiana
92,625 90,891 91,374 93,429 95,495 97,957 1990-2025
Iowa
227,920 222,867 222,296 226,437 231,024 231,199 1990-2025
Kansas
219,659 217,190 216,809 226,758 241,525 250,648 1990-2025
Kentucky
151,684 158,516 171,903 190,926 193,654 192,801 1990-2025
Louisiana
457,788 492,664 530,237 578,266 602,133 605,430 1990-2025
Maryland
53,397 53,163 54,187 57,394 59,124 58,432 1990-2025
Michigan
599,920 591,161 656,659 749,873 823,628 874,709 1990-2025
Minnesota
6,068 5,776 5,368 5,310 5,355 5,727 1990-2025
Mississippi
190,204 215,758 236,252 247,287 242,117 226,458 1990-2025
Missouri
11,932 12,373 12,450 12,454 12,444 12,450 1990-2025
Montana
201,533 196,583 197,251 200,960 204,674 209,054 1990-2025
Nebraska
30,163 30,290 30,693 31,725 32,876 33,162 1990-2025
New Mexico
63,282 65,626 65,721 66,498 65,996 66,541 1990-2025
New York
161,166 158,110 165,086 179,566 189,408 192,180 1990-2025
Ohio
410,663 392,040 398,555 423,679 446,093 465,286 1990-2025
Oklahoma
247,543 254,619 274,846 302,457 323,249 324,870 1990-2025
Oregon
21,455 21,343 22,555 27,174 32,318 34,092 1990-2025
Pennsylvania
468,929 463,414 492,561 553,509 596,130 604,464 1990-2025
Tennessee
2,278 2,269 2,269 2,289 2,363 2,456 1997-2025
Texas
603,107 647,122 689,047 737,868 773,619 780,876 1990-2025
Utah
91,408 90,774 96,130 105,224 111,948 117,255 1990-2025
Virginia
7,597 7,579 7,902 8,171 8,376 8,522 1997-2025
Washington
33,489 34,939 38,608 40,476 42,759 43,724 1990-2025
West Virginia
342,080 325,745 346,152 392,326 418,594 432,797 1990-2025
Wyoming
134,131 135,154 140,763 149,245 155,848 158,259 1990-2025
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
1,443,831 1,400,051 1,464,443 1,614,645 1,717,726 1,761,681 2013-2025
South Central Region
1,755,990 1,871,898 1,996,192 2,144,981 2,232,767 2,232,980 2013-2025
Midwest Region
1,903,891 1,875,631 1,953,915 2,090,317 2,201,839 2,275,079 2013-2025
Mountain Region
617,865 616,691 627,845 655,828 678,796 696,503 2013-2025
Pacific Region
517,523 523,396 548,763 579,462 606,991 623,397 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: 9/30/2025
Next Release Date: 10/31/2025