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Underground Natural Gas Storage by All Operators
(Million Cubic Feet)
Data Series: Period:
 Show Data By:
Data Series Area
Mar-25 Apr-25 May-25 Jun-25 Jul-25 Aug-25 View
History
U.S.
335,588 448,112 578,954 461,476 341,973 366,026 1973-2025
Alaska
574 1,286 1,690 2,054 2,610 2,698 2013-2025
Lower 48 States
335,014 446,826 577,264 459,421 339,363 363,328 2011-2025
Alabama
7,895 4,782 4,022 1,915 669 5,000 1994-2025
Arkansas
74 582 914 933 1,000 920 1990-2025
California
16,293 24,000 26,753 24,171 18,116 6,854 1990-2025
Colorado
5,653 4,125 7,249 6,562 6,251 5,818 1990-2025
Illinois
4,855 12,077 20,636 28,773 27,038 32,528 1990-2025
Indiana
159 893 2,069 2,080 2,486 3,977 1990-2025
Iowa
4 331 4,549 4,820 1,384 6,565 1990-2025
Kansas
8,396 8,831 12,098 16,181 14,388 11,002 1990-2025
Kentucky
11,295 16,155 23,033 7,968 4,608 9,590 1990-2025
Louisiana
62,070 63,858 64,416 48,130 39,484 33,800 1990-2025
Maryland
1,389 1,096 3,208 2,383 1,634 2,125 1990-2025
Michigan
22,538 70,326 95,997 76,217 55,512 58,295 1990-2025
Minnesota
        371 347 1990-2025
Mississippi
35,842 28,243 22,000 13,442 10,154 19,307 1990-2025
Missouri
528 79 10   15   1990-2025
Montana
56 1,486 3,803 4,034 4,480 5,071 1990-2025
Nebraska
317 418 1,036 1,154 292 36 1990-2025
New Mexico
3,235 1,839 2,160 704 1,858 1,180 1990-2025
New York
4,876 10,154 15,000 10,927 5,381 8,140 1990-2025
Ohio
3,024 13,586 26,249 23,694 19,917 25,607 1990-2025
Oklahoma
16,122 22,533 29,691 23,532 9,061 6,663 1990-2025
Oregon
1,782 1,231 4,729 5,171 1,788 443 1990-2025
Pennsylvania
32,740 47,268 64,398 52,017 33,189 43,473 1990-2025
Rhode Island
            1994-1996
Tennessee
    20 75 93   1997-2025
Texas
82,507 72,683 75,692 60,350 51,965 43,147 1990-2025
Utah
390 6,182 9,098 6,733 5,308 3,134 1990-2025
Virginia
647 530 603 432 663 373 1997-2025
Washington
3,873 3,934 2,872 2,860 1,644 1,130 1990-2025
West Virginia
5,678 23,495 46,445 27,055 15,953 26,753 1990-2025
Wyoming
2,776 6,109 8,512 7,107 4,659 2,046 1990-2025
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
48,353 96,129 155,904 116,508 76,738 106,472 2013-2025
South Central Region
212,906 201,512 208,833 164,485 126,722 119,839 2013-2025
Midwest Region
39,378 99,862 146,314 119,933 91,507 111,304 2013-2025
Mountain Region
12,427 20,158 31,859 26,294 22,847 17,286 2013-2025
Pacific Region
21,948 29,165 34,354 32,202 21,549 8,427 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: 10/31/2025
Next Release Date: 11/28/2025