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Underground Natural Gas Storage by All Operators
(Million Cubic Feet)
Data Series: Period:
 Show Data By:
Data Series Area
May-25 Jun-25 Jul-25 Aug-25 Sep-25 Oct-25 View
History
U.S.
578,952 461,472 341,969 366,021 416,944 424,043 1973-2025
Alaska
1,689 2,051 2,605 2,693 2,228 1,403 2013-2025
Lower 48 States
577,264 459,421 339,363 363,328 414,716 422,640 2011-2025
Alabama
4,022 1,915 669 5,000 4,423 5,483 1994-2025
Arkansas
914 933 1,000 920 627 619 1990-2025
California
26,753 24,171 18,116 6,854 12,900 20,072 1990-2025
Colorado
7,249 6,562 6,251 5,818 5,667 4,844 1990-2025
Illinois
20,636 28,773 27,038 32,528 41,603 45,018 1990-2025
Indiana
2,069 2,080 2,486 3,977 4,337 3,082 1990-2025
Iowa
4,549 4,820 1,384 6,565 15,149 17,780 1990-2025
Kansas
12,098 16,181 14,388 11,002 15,385 8,056 1990-2025
Kentucky
23,033 7,968 4,608 9,590 4,381 7,907 1990-2025
Louisiana
64,416 48,130 39,484 33,800 32,779 53,622 1990-2025
Maryland
3,208 2,383 1,634 2,125 2,373 1,420 1990-2025
Michigan
95,997 76,217 55,512 58,295 60,053 44,281 1990-2025
Minnesota
    371 347 422 389 1990-2025
Mississippi
22,000 13,442 10,154 19,307 22,472 27,299 1990-2025
Missouri
10   15   64 447 1990-2025
Montana
3,803 4,034 4,480 5,071 5,926 1,951 1990-2025
Nebraska
1,036 1,154 292 36 30 427 1990-2025
New Mexico
2,160 704 1,858 1,180 2,847 3,361 1990-2025
New York
15,000 10,927 5,381 8,140 10,870 10,394 1990-2025
Ohio
26,249 23,694 19,917 25,607 25,999 14,590 1990-2025
Oklahoma
29,691 23,532 9,061 6,663 13,309 15,561 1990-2025
Oregon
4,729 5,171 1,788 443 803 1,080 1990-2025
Pennsylvania
64,398 52,017 33,189 43,473 48,221 44,073 1990-2025
Rhode Island
            1994-1996
Tennessee
20 75 93       1997-2025
Texas
75,692 60,350 51,965 43,147 50,327 67,795 1990-2025
Utah
9,098 6,733 5,308 3,134 4,390 3,436 1990-2025
Virginia
603 432 663 373 572 255 1997-2025
Washington
2,872 2,860 1,644 1,130 2,220 1,592 1990-2025
West Virginia
46,445 27,055 15,953 26,753 23,628 12,338 1990-2025
Wyoming
8,512 7,107 4,659 2,046 2,940 5,471 1990-2025
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
155,904 116,508 76,738 106,472 111,661 83,070 2013-2025
South Central Region
208,833 164,485 126,722 119,839 139,322 178,434 2013-2025
Midwest Region
146,314 119,933 91,507 111,304 126,009 118,902 2013-2025
Mountain Region
31,859 26,294 22,847 17,286 21,801 19,490 2013-2025
Pacific Region
34,354 32,202 21,549 8,427 15,923 22,744 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