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Underground Natural Gas Storage by All Operators
(Million Cubic Feet)
Data Series: Period:
 Monthly 
 Show Data By:
Data Series Area
Oct-25 Nov-25 Dec-25 Jan-26 Feb-26 Mar-26 View
History
U.S.
3,928,608 3,898,970 3,303,456 2,402,081 1,912,770 1,916,360 1973-2026
Alaska
36,820 35,992 33,342 30,974 29,593 27,768 2013-2026
Lower 48 States
3,891,787 3,862,977 3,270,114 2,371,106 1,883,176 1,888,591 2011-2026
Alabama
26,606 26,893 23,753 13,801 11,736 17,304 1995-2026
Arkansas
6,004 5,400 4,284 2,639 1,763 1,423 1990-2026
California
275,855 270,113 263,191 240,171 232,221 233,566 1990-2026
Colorado
49,778 49,758 44,040 34,135 32,925 35,868 1990-2026
Illinois
257,507 256,892 209,161 141,501 106,435 85,918 1990-2026
Indiana
27,990 28,496 24,660 17,878 13,564 12,065 1990-2026
Iowa
72,286 78,468 60,142 41,819 30,822 25,764 1990-2026
Kansas
108,303 104,758 94,446 70,125 62,851 59,439 1990-2026
Kentucky
94,988 95,312 79,452 54,915 41,570 49,938 1990-2026
Louisiana
344,047 358,752 336,853 235,002 169,280 190,267 1990-2026
Maryland
16,400 16,930 16,735 11,675 7,672 5,788 1990-2026
Michigan
639,028 601,745 450,246 298,478 202,266 182,869 1990-2026
Minnesota
2,037 2,147 1,586 1,031 779 325 1990-2026
Mississippi
137,417 145,300 120,460 79,202 66,906 86,113 1990-2026
Missouri
2,747 2,948 2,536 1,320 2,184 2,473 1990-2026
Montana
38,647 35,848 28,752 20,986 15,887 12,526 1990-2026
Nebraska
11,019 11,161 10,931 9,058 8,146 8,182 1990-2026
New Mexico
40,488 43,391 43,747 40,475 41,265 43,471 1990-2026
New York
101,867 100,339 84,528 62,451 44,490 34,857 1990-2026
Ohio
191,462 180,419 150,035 107,647 76,424 58,846 1990-2026
Oklahoma
174,889 173,763 143,485 107,262 92,904 98,897 1990-2026
Oregon
20,021 21,185 20,065 15,170 12,137 13,674 1990-2026
Pennsylvania
374,578 369,870 303,400 204,830 132,260 129,397 1990-2026
Tennessee
1,578 1,559 1,520 1,436 1,400 1,425 1997-2026
Texas
488,923 515,843 458,395 347,814 311,906 341,799 1990-2026
Utah
58,094 56,899 49,980 36,032 31,688 35,249 1990-2026
Virginia
4,356 4,863 4,570 3,363 3,477 3,049 1997-2026
Washington
21,528 22,096 20,735 16,684 13,479 12,254 1990-2026
West Virginia
222,341 202,675 146,154 90,695 54,789 43,129 1990-2026
Wyoming
81,004 79,157 72,273 63,509 59,951 62,712 1990-2026
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
911,004 875,094 705,421 480,660 319,112 275,067 2013-2026
South Central Region
1,286,189 1,330,709 1,181,677 855,846 717,346 795,243 2013-2026
Midwest Region
1,098,162 1,067,567 829,302 558,379 399,020 360,779 2013-2026
Mountain Region
279,028 276,214 249,723 204,196 189,861 198,009 2013-2026
Pacific Region
317,404 313,394 303,992 272,025 257,837 259,494 2013-2026
- = 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: 5/29/2026
Next Release Date: 6/30/2026