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Underground Natural Gas Storage by All Operators
(Million Cubic Feet)
Data Series: Period:
 Show Data By:
Data Series Area
Feb-25 Mar-25 Apr-25 May-25 Jun-25 Jul-25 View
History
U.S.
135,864 335,588 448,112 578,954 461,476 341,929 1973-2025
Alaska
173 574 1,286 1,690 2,054 2,610 2013-2025
Lower 48 States
135,691 335,014 446,826 577,264 459,421 339,319 2011-2025
Alabama
2,216 7,895 4,782 4,022 1,915 669 1994-2025
Arkansas
42 74 582 914 933 1,000 1990-2025
California
7,931 16,293 24,000 26,753 24,171 18,116 1990-2025
Colorado
3,909 5,653 4,125 7,249 6,562 6,251 1990-2025
Illinois
3,669 4,855 12,077 20,636 28,773 27,038 1990-2025
Indiana
0 159 893 2,069 2,080 2,486 1990-2025
Iowa
5 4 331 4,549 4,820 1,384 1990-2025
Kansas
5,092 8,396 8,831 12,098 16,181 14,388 1990-2025
Kentucky
2,373 11,295 16,155 23,033 7,968 4,608 1990-2025
Louisiana
26,742 62,070 63,858 64,416 48,130 39,484 1990-2025
Maryland
722 1,389 1,096 3,208 2,383 1,634 1990-2025
Michigan
5,419 22,538 70,326 95,997 76,217 55,512 1990-2025
Minnesota
          371 1990-2025
Mississippi
21,841 35,842 28,243 22,000 13,442 10,154 1990-2025
Missouri
557 528 79 10   15 1990-2025
Montana
11 56 1,486 3,803 4,034 4,480 1990-2025
Nebraska
80 317 418 1,036 1,154 292 1990-2025
New Mexico
939 3,235 1,839 2,160 704 1,858 1990-2025
New York
1,176 4,876 10,154 15,000 10,927 5,381 1990-2025
Ohio
603 3,024 13,586 26,249 23,694 19,917 1990-2025
Oklahoma
4,538 16,122 22,533 29,691 23,532 9,061 1990-2025
Oregon
4 1,782 1,231 4,729 5,171 1,788 1990-2025
Pennsylvania
7,361 32,740 47,268 64,398 52,017 33,189 1990-2025
Rhode Island
            1994-1996
Tennessee
      20 75 93 1997-2025
Texas
36,191 82,507 72,683 75,692 60,350 51,921 1990-2025
Utah
312 390 6,182 9,098 6,733 5,308 1990-2025
Virginia
1,077 647 530 603 432 663 1997-2025
Washington
891 3,873 3,934 2,872 2,860 1,644 1990-2025
West Virginia
1,757 5,678 23,495 46,445 27,055 15,953 1990-2025
Wyoming
232 2,776 6,109 8,512 7,107 4,659 1990-2025
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
12,695 48,353 96,129 155,904 116,508 76,738 2013-2025
South Central Region
96,662 212,906 201,512 208,833 164,485 126,678 2013-2025
Midwest Region
12,023 39,378 99,862 146,314 119,933 91,507 2013-2025
Mountain Region
5,485 12,427 20,158 31,859 26,294 22,847 2013-2025
Pacific Region
8,826 21,948 29,165 34,354 32,202 21,549 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