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Underground Natural Gas Storage by All Operators
(Million Cubic Feet)
Data Series: Period:
 Monthly 
 Show Data By:
Data Series Area
Sep-25 Oct-25 Nov-25 Dec-25 Jan-26 Feb-26 View
History
U.S.
8,124,520 8,430,177 8,399,048 7,802,750 6,898,403 6,409,256 1973-2026
Alaska
49,834 51,018 50,189 47,539 45,171 43,790 2013-2026
Lower 48 States
8,074,686 8,379,160 8,348,859 7,755,210 6,853,231 6,365,466 2011-2026
Alabama
32,904 37,056 37,343 34,203 24,251 22,186 1995-2026
Arkansas
18,523 19,082 18,478 17,362 15,717 14,841 1990-2026
California
542,490 556,859 550,896 543,974 520,954 513,004 1990-2026
Colorado
119,493 121,361 121,465 115,747 105,842 104,631 1990-2026
Illinois
928,064 972,894 972,460 924,749 857,089 822,023 1990-2026
Indiana
106,205 109,254 109,760 105,985 99,202 94,889 1990-2026
Iowa
252,495 270,167 276,349 258,023 239,700 228,704 1990-2026
Kansas
270,527 272,096 268,550 258,239 233,917 226,643 1990-2026
Kentucky
200,456 206,813 207,137 191,277 166,741 153,396 1990-2026
Louisiana
609,217 642,042 656,774 634,374 531,670 465,659 1990-2026
Maryland
61,272 62,078 62,607 62,412 57,352 53,350 1990-2026
Michigan
987,297 1,025,911 988,628 837,129 685,361 589,149 1990-2026
Minnesota
6,496 6,885 6,995 6,434 5,879 5,627 1990-2026
Mississippi
236,479 258,051 265,904 240,919 198,913 185,853 1990-2026
Missouri
12,499 12,936 13,137 12,725 11,509 12,373 1990-2026
Montana
219,763 221,167 218,368 211,272 203,506 198,407 1990-2026
Nebraska
32,862 33,215 33,357 33,128 31,255 30,343 1990-2026
New Mexico
68,172 69,850 72,753 73,109 69,837 70,627 1990-2026
New York
209,600 218,709 217,251 201,204 179,187 160,557 1990-2026
Ohio
515,653 526,803 515,759 485,375 442,979 411,750 1990-2026
Oklahoma
331,573 344,275 343,150 312,871 276,649 262,291 1990-2026
Oregon
33,937 34,930 36,094 34,974 30,079 27,046 1990-2026
Pennsylvania
681,284 711,231 706,520 640,045 541,471 468,787 1990-2026
Tennessee
2,456 2,456 2,437 2,397 2,314 2,278 1997-2026
Texas
776,196 808,711 834,340 776,509 664,510 630,772 1990-2026
Utah
124,205 127,601 126,406 119,488 105,540 101,195 1990-2026
Virginia
8,509 8,386 8,893 8,600 7,393 7,507 1997-2026
Washington
44,819 43,828 44,396 43,035 38,984 35,779 1990-2026
West Virginia
482,588 491,257 471,244 415,126 359,670 323,601 1990-2026
Wyoming
158,652 163,254 161,407 154,523 145,759 142,201 1990-2026
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
1,958,906 2,018,464 1,982,274 1,812,763 1,588,052 1,425,551 2013-2026
South Central Region
2,275,418 2,381,313 2,424,539 2,274,479 1,945,627 1,808,244 2013-2026
Midwest Region
2,495,968 2,607,318 2,576,902 2,338,719 2,067,795 1,908,437 2013-2026
Mountain Region
723,147 736,448 733,757 707,266 661,739 647,404 2013-2026
Pacific Region
621,246 635,616 631,386 621,984 590,018 575,829 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: 4/30/2026
Next Release Date: 5/29/2026