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Underground Natural Gas Storage by All Operators
(Million Cubic Feet)
Data Series: Period:
 Monthly 
 Show Data By:
Data Series Area
Nov-25 Dec-25 Jan-26 Feb-26 Mar-26 Apr-26 View
History
U.S.
8,399,048 7,802,750 6,899,740 6,398,559 6,403,237 6,710,847 1973-2026
Alaska
50,189 47,539 45,171 43,790 41,966 42,522 2013-2026
Lower 48 States
8,348,859 7,755,210 6,854,568 6,354,768 6,361,271 6,668,325 2011-2026
Alabama
37,343 34,203 24,251 22,186 27,754 33,313 1995-2026
Arkansas
18,478 17,362 15,717 14,841 14,501 15,012 1990-2026
California
550,896 543,974 520,954 513,004 514,349 527,483 1990-2026
Colorado
121,465 115,747 105,842 104,631 107,575 99,736 1990-2026
Illinois
972,460 924,749 857,089 812,160 791,288 792,161 1990-2026
Indiana
109,760 105,985 99,202 94,889 93,390 93,758 1990-2026
Iowa
276,349 258,023 239,700 228,704 223,646 223,091 1990-2026
Kansas
268,550 258,239 233,917 226,643 223,232 223,154 1990-2026
Kentucky
207,137 191,277 166,741 153,396 161,764 174,325 1990-2026
Louisiana
656,774 634,374 531,670 465,659 486,327 517,808 1990-2026
Maryland
62,607 62,412 57,352 53,350 51,488 51,849 1990-2026
Michigan
988,628 837,129 685,361 589,149 569,752 649,370 1990-2026
Minnesota
6,995 6,434 5,879 5,627 5,173 5,001 1990-2026
Mississippi
265,904 240,919 198,913 185,853 204,633 225,538 1990-2026
Missouri
13,137 12,725 11,509 12,373 12,662 12,659 1990-2026
Montana
218,368 211,272 203,506 198,407 195,046 198,210 1990-2026
Nebraska
33,357 33,128 31,255 30,343 30,379 30,766 1990-2026
New Mexico
72,753 73,109 69,837 70,627 72,834 75,761 1990-2026
New York
217,251 201,204 179,187 160,557 150,645 159,191 1990-2026
Ohio
515,759 485,375 442,979 411,750 394,171 403,543 1990-2026
Oklahoma
343,150 312,871 276,649 262,291 268,284 285,024 1990-2026
Oregon
36,094 34,974 30,079 27,046 28,583 29,276 1990-2026
Pennsylvania
706,520 640,045 541,471 468,787 465,896 504,708 1990-2026
Tennessee
2,437 2,397 2,314 2,278 2,303 2,381 1997-2026
Texas
834,340 776,509 665,847 629,937 660,918 689,766 1990-2026
Utah
126,406 119,488 105,540 101,195 104,756 109,732 1990-2026
Virginia
8,893 8,600 7,393 7,507 7,127 7,519 1997-2026
Washington
44,396 43,035 38,984 35,779 34,554 35,879 1990-2026
West Virginia
471,244 415,126 359,670 323,601 311,892 342,048 1990-2026
Wyoming
161,407 154,523 145,759 142,201 146,349 150,261 1990-2026
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
1,982,274 1,812,763 1,588,052 1,425,551 1,381,220 1,468,858 2013-2026
South Central Region
2,424,539 2,274,479 1,946,964 1,807,410 1,885,650 1,989,616 2013-2026
Midwest Region
2,576,902 2,338,719 2,067,795 1,898,574 1,859,978 1,952,747 2013-2026
Mountain Region
733,757 707,266 661,739 647,404 656,938 664,466 2013-2026
Pacific Region
631,386 621,984 590,018 575,829 577,486 592,638 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: 6/30/2026
Next Release Date: 7/31/2026