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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-25 Feb-25 Mar-25 Apr-25 May-25 Jun-25 View
History
U.S.
6,914,352 6,277,974 6,326,377 6,630,453 7,126,080 7,481,065 1973-2025
Alaska
40,677 38,874 38,710 39,295 40,847 42,695 2013-2025
Lower 48 States
6,873,675 6,239,100 6,287,667 6,591,159 7,085,233 7,438,370 2011-2025
Alabama
25,738 23,367 30,887 34,873 37,303 34,149 1995-2025
Arkansas
15,657 14,322 13,658 14,128 15,042 15,975 1990-2025
California
482,519 462,579 467,114 487,600 511,812 531,914 1990-2025
Colorado
103,359 97,349 98,264 97,287 102,177 107,454 1990-2025
Illinois
863,475 811,463 791,778 791,597 809,598 837,874 1990-2025
Indiana
97,971 92,625 90,891 91,374 93,429 95,495 1990-2025
Iowa
239,001 227,920 222,867 222,296 226,437 231,024 1990-2025
Kansas
235,811 219,659 217,190 216,809 226,758 241,525 1990-2025
Kentucky
165,387 151,684 158,516 171,903 190,926 193,654 1990-2025
Louisiana
525,076 457,788 492,664 530,237 578,266 602,133 1990-2025
Maryland
56,905 53,397 53,163 54,187 57,394 59,124 1990-2025
Michigan
721,936 599,920 591,161 656,659 749,873 823,880 1990-2025
Minnesota
6,456 6,068 5,776 5,368 5,310 5,355 1990-2025
Mississippi
200,266 190,204 215,758 236,252 247,287 242,117 1990-2025
Missouri
12,534 11,932 12,373 12,450 12,454 12,444 1990-2025
Montana
208,384 201,533 196,583 197,251 200,960 204,674 1990-2025
Nebraska
32,013 30,163 30,290 30,693 31,725 32,876 1990-2025
New Mexico
65,200 63,282 65,626 65,721 66,498 65,996 1990-2025
New York
176,304 161,166 158,110 165,086 179,566 189,408 1990-2025
Ohio
446,626 410,663 392,040 398,555 423,679 446,093 1990-2025
Oklahoma
275,847 247,543 254,619 274,846 302,457 323,249 1990-2025
Oregon
26,910 21,455 21,343 22,555 27,174 32,318 1990-2025
Pennsylvania
542,827 468,929 463,414 492,561 553,509 596,130 1990-2025
Tennessee
2,319 2,278 2,269 2,269 2,289 2,363 1997-2025
Texas
680,526 603,107 647,122 689,047 737,868 773,619 1990-2025
Utah
99,068 91,408 90,774 96,130 105,224 111,948 1990-2025
Virginia
7,975 7,597 7,579 7,902 8,171 8,376 1997-2025
Washington
38,938 33,489 34,939 38,608 40,476 42,759 1990-2025
West Virginia
378,551 342,080 325,745 346,152 392,326 418,594 1990-2025
Wyoming
140,095 134,131 135,154 140,763 149,245 155,848 1990-2025
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
1,609,189 1,443,831 1,400,051 1,464,443 1,614,645 1,717,726 2013-2025
South Central Region
1,958,921 1,755,990 1,871,898 1,996,192 2,144,981 2,232,767 2013-2025
Midwest Region
2,109,079 1,903,891 1,875,631 1,953,915 2,090,317 2,202,091 2013-2025
Mountain Region
648,120 617,865 616,691 627,845 655,828 678,796 2013-2025
Pacific Region
548,367 517,523 523,396 548,763 579,462 606,991 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: 8/29/2025
Next Release Date: 9/30/2025