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Underground Natural Gas Storage by All Operators
(Million Cubic Feet)
Data Series: Period:
 Show Data By:
Data Series Area
Jul-25 Aug-25 Sep-25 Oct-25 Nov-25 Dec-25 View
History
U.S.
341,968 366,021 417,302 424,218 244,890 166,091 1973-2025
Alaska
2,605 2,693 2,228 1,403 210 93 2013-2025
Lower 48 States
339,363 363,328 415,074 422,816 244,680 165,998 2011-2025
Alabama
669 5,000 4,423 5,483 2,450 2,738 1994-2025
Arkansas
1,000 920 627 619 57 154 1990-2025
California
18,116 6,854 12,900 20,072 10,738 13,317 1990-2025
Colorado
6,251 5,818 5,667 4,844 5,632 3,207 1990-2025
Illinois
27,038 32,528 41,603 45,018 16,609 3,712 1990-2025
Indiana
2,486 3,977 4,337 3,082 986 6 1990-2025
Iowa
1,384 6,565 15,149 17,780 10,396 333 1990-2025
Kansas
14,388 11,002 15,385 8,056 6,001 7,432 1990-2025
Kentucky
4,608 9,590 4,381 7,907 5,719 2,709 1990-2025
Louisiana
39,484 33,800 32,779 53,622 37,374 38,071 1990-2025
Maryland
1,634 2,125 2,373 1,420 1,674 1,760 1990-2025
Michigan
55,512 58,295 60,053 44,281 12,844 10,645 1990-2025
Minnesota
371 347 422 389 110   1990-2025
Mississippi
10,154 19,307 22,472 27,299 19,943 16,734 1990-2025
Missouri
15   64 447 252 204 1990-2025
Montana
4,480 5,071 5,926 1,951 409 10 1990-2025
Nebraska
292 36 30 427 220   1990-2025
New Mexico
1,858 1,180 2,847 3,361 3,363 1,515 1990-2025
New York
5,380 8,140 10,870 10,316 2,676 298 1990-2025
Ohio
19,917 25,607 25,999 14,590 2,889 1,495 1990-2025
Oklahoma
9,061 6,663 13,309 15,812 7,295 3,737 1990-2025
Oregon
1,788 443 803 1,080 1,326 877 1990-2025
Pennsylvania
33,189 43,473 48,221 44,073 25,278 11,828 1990-2025
Rhode Island
            1994-1996
Tennessee
93           1997-2025
Texas
51,965 43,147 50,686 67,797 62,432 41,580 1990-2025
Utah
5,308 3,134 4,390 3,436 1,927 435 1990-2025
Virginia
663 373 572 255 676 826 1997-2025
Washington
1,644 1,130 2,220 1,592 1,775 1,153 1990-2025
West Virginia
15,953 26,753 23,628 12,338 2,450 1,152 1990-2025
Wyoming
4,659 2,046 2,940 5,471 1,182 70 1990-2025
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
76,737 106,472 111,661 82,992 35,642 17,358 2013-2025
South Central Region
126,722 119,839 139,680 178,688 135,551 110,447 2013-2025
Midwest Region
91,507 111,304 126,009 118,902 46,914 17,609 2013-2025
Mountain Region
22,847 17,286 21,801 19,490 12,733 5,238 2013-2025
Pacific Region
21,549 8,427 15,923 22,744 13,839 15,347 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: 2/27/2026
Next Release Date: 3/31/2026