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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.
8,628 -9,791 -15,902 -134,063 -22,034 126,291 1973-2026
Alaska
3,130 4,583 5,797 4,951 4,494 4,917 2013-2026
Lower 48 States
5,498 -14,374 -21,699 -139,014 -26,528 121,374 2011-2026
Alabama
4,479 2,780 1,030 -1,704 -1,487 -1,181 1996-2026
Arkansas
-258 -239 -93 -101 61 519 1990-2026
California
8,349 8,856 3,539 9,381 38,655 50,645 1990-2026
Colorado
-9,194 -10,358 -10,121 -13,438 -8,241 -3,442 1990-2026
Illinois
-5,639 793 133 -2,838 -4,503 12,442 1990-2026
Indiana
175 -245 -502 283 1,170 2,203 1990-2026
Iowa
-3,682 -2,876 -854 -221 699 784 1991-2026
Kansas
2,077 -299 -1,429 2,546 -1,893 6,984 1990-2026
Kentucky
-2,976 -513 4,911 1,686 1,354 1,712 1990-2026
Louisiana
1,535 -2,844 -135 -2,411 7,626 8,311 1990-2026
Maryland
-894 -1,020 -453 249 447 -47 1990-2026
Michigan
-22,193 -14,890 -32,739 -62,186 -37,047 -11,243 1990-2026
Minnesota
-111 -24 0 -437 -577 -442 1990-2026
Mississippi
11,318 10,439 12,738 -7,535 -740 -3,004 1990-2026
Missouri
-104 142 32 -313 -1,025 440 1990-2026
Montana
-4,855 -5,077 -4,202 -5,121 -4,878 -3,126 1990-2026
Nebraska
-861 -1,243 -962 -827 -758 181 1991-2026
New Mexico
-11,827 -9,611 -3,834 1,381 4,637 7,345 1990-2026
New York
-3,330 -1,528 -1,708 -1,334 2,805 -429 1990-2026
Ohio
-235 -6,631 -11,548 -10,475 -4,539 196 1990-2026
Oklahoma
-26 970 -884 -8,637 802 14,748 1990-2026
Oregon
-1,272 -1,063 331 833 3,169 5,591 1990-2026
Pennsylvania
-4,999 -6,926 5,070 -5,491 -1,242 6 1990-2026
Tennessee
-3 -3 -16 -25 -5 -1 1997-2026
Texas
40,883 17,394 27,944 -15,533 -12,845 31,329 1990-2026
Utah
2,655 4,786 1,712 3,613 6,471 9,787 1991-2026
Virginia
282 -77 152 -173 -582 -91 1997-2026
Washington
210 -350 596 -1,094 47 2,290 1990-2026
West Virginia
-1,983 -5,394 -16,636 -24,419 -19,876 -19,307 1990-2026
Wyoming
7,977 10,679 6,227 5,326 5,768 8,174 1990-2026
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
-11,159 -21,576 -25,122 -41,642 -22,987 -19,672 2013-2026
South Central Region
60,008 28,201 39,171 -33,374 -8,478 57,706 2013-2026
Midwest Region
-34,533 -17,616 -29,034 -64,051 -39,933 5,896 2013-2026
Mountain Region
-16,105 -10,826 -11,180 -9,067 2,999 18,918 2013-2026
Pacific Region
7,287 7,444 4,466 9,120 41,871 58,526 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