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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.
8,430,177 8,399,048 7,802,750 6,899,740 6,408,421 6,413,671 1973-2026
Alaska
51,018 50,189 47,539 45,171 43,790 41,966 2013-2026
Lower 48 States
8,379,160 8,348,859 7,755,210 6,854,568 6,364,631 6,371,705 2011-2026
Alabama
37,056 37,343 34,203 24,251 22,186 27,754 1995-2026
Arkansas
19,082 18,478 17,362 15,717 14,841 14,501 1990-2026
California
556,859 550,896 543,974 520,954 513,004 514,349 1990-2026
Colorado
121,361 121,465 115,747 105,842 104,631 107,791 1990-2026
Illinois
972,894 972,460 924,749 857,089 822,023 801,505 1990-2026
Indiana
109,254 109,760 105,985 99,202 94,889 93,390 1990-2026
Iowa
270,167 276,349 258,023 239,700 228,704 223,646 1990-2026
Kansas
272,096 268,550 258,239 233,917 226,643 223,232 1990-2026
Kentucky
206,813 207,137 191,277 166,741 153,396 161,764 1990-2026
Louisiana
642,042 656,774 634,374 531,670 465,659 486,327 1990-2026
Maryland
62,078 62,607 62,412 57,352 53,350 51,488 1990-2026
Michigan
1,025,911 988,628 837,129 685,361 589,149 569,752 1990-2026
Minnesota
6,885 6,995 6,434 5,879 5,627 5,173 1990-2026
Mississippi
258,051 265,904 240,919 198,913 185,853 204,633 1990-2026
Missouri
12,936 13,137 12,725 11,509 12,373 12,662 1990-2026
Montana
221,167 218,368 211,272 203,506 198,407 195,046 1990-2026
Nebraska
33,215 33,357 33,128 31,255 30,343 30,379 1990-2026
New Mexico
69,850 72,753 73,109 69,837 70,627 72,834 1990-2026
New York
218,709 217,251 201,204 179,187 160,557 150,645 1990-2026
Ohio
526,803 515,759 485,375 442,979 411,750 394,171 1990-2026
Oklahoma
344,275 343,150 312,871 276,649 262,291 268,284 1990-2026
Oregon
34,930 36,094 34,974 30,079 27,046 28,583 1990-2026
Pennsylvania
711,231 706,520 640,045 541,471 468,787 465,896 1990-2026
Tennessee
2,456 2,437 2,397 2,314 2,278 2,303 1997-2026
Texas
808,711 834,340 776,509 665,847 629,937 660,918 1990-2026
Utah
127,601 126,406 119,488 105,540 101,195 104,756 1990-2026
Virginia
8,386 8,893 8,600 7,393 7,507 7,127 1997-2026
Washington
43,828 44,396 43,035 38,984 35,779 34,554 1990-2026
West Virginia
491,257 471,244 415,126 359,670 323,601 311,892 1990-2026
Wyoming
163,254 161,407 154,523 145,759 142,201 146,349 1990-2026
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
2,018,464 1,982,274 1,812,763 1,588,052 1,425,551 1,381,220 2013-2026
South Central Region
2,381,313 2,424,539 2,274,479 1,946,964 1,807,410 1,885,650 2013-2026
Midwest Region
2,607,318 2,576,902 2,338,719 2,067,795 1,908,437 1,870,195 2013-2026
Mountain Region
736,448 733,757 707,266 661,739 647,404 657,155 2013-2026
Pacific Region
635,616 631,386 621,984 590,018 575,829 577,486 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