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Underground Natural Gas Storage by All Operators
(Million Cubic Feet)
Data Series: Period:
 Monthly 
 Show Data By:
Data Series Area
Dec-25 Jan-26 Feb-26 Mar-26 Apr-26 May-26 View
History
U.S.
-134,063 -20,263 115,544 72,440 71,124 1,695 1973-2026
Alaska
4,951 4,494 4,917 3,256 3,227 3,346 2013-2026
Lower 48 States
-139,014 -24,757 110,627 69,184 67,897 -1,651 2011-2026
Alabama
-1,704 -1,487 -1,181 -3,133 -1,560 -2,021 1996-2026
Arkansas
-101 61 519 843 884 720 1990-2026
California
9,381 38,655 50,645 47,455 40,103 33,378 1990-2026
Colorado
-13,438 -8,241 -3,442 -1,630 -8,590 -12,265 1990-2026
Illinois
-2,838 -4,503 2,580 1,500 2,130 7,823 1990-2026
Indiana
283 1,170 2,203 2,438 2,323 1,194 1990-2026
Iowa
-221 699 784 779 795 2,813 1991-2026
Kansas
2,546 -1,893 6,984 6,042 6,345 -2,356 1990-2026
Kentucky
1,686 1,354 1,712 3,248 2,422 -751 1990-2026
Louisiana
-2,411 7,626 8,311 -4,669 -11,367 -8,350 1990-2026
Maryland
249 447 -47 -1,697 -2,360 -4,254 1990-2026
Michigan
-62,186 -37,047 -11,243 -21,881 -8,241 -12,914 1990-2026
Minnesota
-437 -577 -442 -603 -367 -271 1990-2026
Mississippi
-7,535 -740 -3,004 -9,143 -10,482 -12,538 1990-2026
Missouri
-313 -1,025 440 289 210 115 1990-2026
Montana
-5,121 -4,878 -3,126 -1,537 960 1,723 1990-2026
Nebraska
-827 -758 181 89 73 -468 1991-2026
New Mexico
1,381 4,637 7,345 7,208 10,040 9,058 1990-2026
New York
-1,334 2,805 -429 -7,233 -5,935 -5,760 1990-2026
Ohio
-10,475 -4,539 196 2,078 5,005 1,640 1990-2026
Oklahoma
-8,637 802 14,748 13,665 10,178 569 1990-2026
Oregon
833 3,169 5,591 7,240 6,721 5,487 1990-2026
Pennsylvania
-5,491 -1,242 6 2,598 12,160 4,372 1990-2026
Tennessee
-25 -5 -1 34 113 177 1997-2026
Texas
-15,533 -11,074 30,444 16,125 3,342 -17,794 1990-2026
Utah
3,613 6,471 9,787 13,982 13,602 11,998 1991-2026
Virginia
-173 -582 -91 -499 -431 -464 1997-2026
Washington
-1,094 47 2,290 -384 -2,729 1,068 1990-2026
West Virginia
-24,419 -19,876 -19,307 -13,930 -3,997 -4,956 1990-2026
Wyoming
5,326 5,768 8,174 9,912 6,551 1,375 1990-2026
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
-41,642 -22,987 -19,672 -18,684 4,442 -9,421 2013-2026
South Central Region
-33,374 -6,707 56,821 19,730 -2,659 -41,771 2013-2026
Midwest Region
-64,051 -39,933 -3,967 -14,196 -616 -1,814 2013-2026
Mountain Region
-9,067 2,999 18,918 28,024 22,636 11,422 2013-2026
Pacific Region
9,120 41,871 58,526 54,310 44,095 39,933 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: 7/31/2026
Next Release Date: 8/31/2026