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Underground Natural Gas Storage by All Operators
(Million Cubic Feet)
Data Series: Period:
 Monthly 
 Show Data By:
Data Series Area
Aug-25 Sep-25 Oct-25 Nov-25 Dec-25 Jan-26 View
History
U.S.
7,817,329 8,124,520 8,429,727 8,398,584 7,802,285 6,898,254 1973-2026
Alaska
47,636 49,834 51,018 50,189 47,539 45,171 2013-2026
Lower 48 States
7,769,693 8,074,686 8,378,710 8,348,394 7,754,746 6,853,083 2011-2026
Alabama
30,232 32,904 37,056 37,343 34,203 24,251 1995-2026
Arkansas
17,896 18,523 19,082 18,478 17,362 15,717 1990-2026
California
537,391 542,490 556,859 550,896 543,974 520,954 1990-2026
Colorado
114,759 119,493 121,361 121,465 115,747 105,842 1990-2026
Illinois
886,626 928,064 972,894 972,460 924,749 857,089 1990-2026
Indiana
101,903 106,205 109,254 109,760 105,985 99,202 1990-2026
Iowa
237,346 252,495 270,167 276,349 258,023 239,700 1990-2026
Kansas
256,096 270,527 272,096 268,550 258,239 233,917 1990-2026
Kentucky
197,938 200,456 206,813 207,137 191,277 166,741 1990-2026
Louisiana
607,757 609,217 642,042 656,774 634,374 531,670 1990-2026
Maryland
59,280 61,272 62,078 62,607 62,412 57,352 1990-2026
Michigan
929,263 987,297 1,025,911 988,628 837,129 685,361 1990-2026
Minnesota
6,074 6,496 6,885 6,995 6,434 5,879 1990-2026
Mississippi
225,029 236,479 258,051 265,904 240,919 198,913 1990-2026
Missouri
12,442 12,499 12,936 13,137 12,725 11,509 1990-2026
Montana
213,991 219,763 221,167 218,368 211,272 203,506 1990-2026
Nebraska
32,870 32,862 33,215 33,357 33,128 31,255 1990-2026
New Mexico
65,922 68,172 69,850 72,753 73,109 69,837 1990-2026
New York
199,471 209,600 218,709 217,251 201,204 179,187 1990-2026
Ohio
490,366 515,653 526,803 515,759 485,375 442,979 1990-2026
Oklahoma
320,797 331,573 343,825 342,685 312,407 276,184 1990-2026
Oregon
33,297 33,937 34,930 36,094 34,974 30,079 1990-2026
Pennsylvania
636,856 681,284 711,231 706,520 640,045 541,471 1990-2026
Tennessee
2,456 2,456 2,456 2,437 2,397 2,314 1997-2026
Texas
765,535 776,196 808,711 834,340 776,509 664,825 1990-2026
Utah
119,869 124,205 127,601 126,406 119,488 105,540 1990-2026
Virginia
8,302 8,509 8,386 8,893 8,600 7,393 1997-2026
Washington
43,246 44,819 43,828 44,396 43,035 38,984 1990-2026
West Virginia
459,178 482,588 491,257 471,244 415,126 359,670 1990-2026
Wyoming
157,503 158,652 163,254 161,407 154,523 145,759 1990-2026
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
1,853,453 1,958,906 2,018,464 1,982,274 1,812,763 1,588,052 2013-2026
South Central Region
2,223,343 2,275,418 2,380,863 2,424,075 2,274,014 1,945,478 2013-2026
Midwest Region
2,374,048 2,495,968 2,607,318 2,576,902 2,338,719 2,067,795 2013-2026
Mountain Region
704,915 723,147 736,448 733,757 707,266 661,739 2013-2026
Pacific Region
613,934 621,246 635,616 631,386 621,984 590,018 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: 3/31/2026
Next Release Date: 4/30/2026