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Underground Natural Gas Storage by All Operators
(Million Cubic Feet)
Data Series: Period:
 Show Data By:
Data Series Area
Jul-25 Aug-25 Sep-25 Oct-25 Nov-25 Dec-25 View
History
U.S.
-151,127 -185,877 -309,270 -307,460 30,934 594,350 1973-2025
Alaska
-2,357 -2,575 -2,198 -1,183 815 2,650 2013-2025
Lower 48 States
-148,770 -183,302 -307,071 -306,277 30,119 591,700 2011-2025
Alabama
6,425 -2,530 -2,672 -4,152 -287 3,140 1993-2025
Arkansas
-1,000 -920 -627 -559 604 1,115 1990-2025
California
-13,736 8,201 -5,088 -14,435 5,980 6,936 1990-2025
Colorado
-4,778 -2,526 -4,734 -1,869 -104 5,718 1990-2025
Illinois
-20,061 -28,997 -41,577 -44,993 326 47,711 1990-2025
Indiana
-2,484 -3,973 -4,328 -3,075 -495 3,996 1990-2025
Iowa
-175 -6,147 -15,149 -17,672 -6,182 18,326 1990-2025
Kansas
-9,123 -5,447 -14,431 -1,629 3,605 10,312 1990-2025
Kentucky
853 -5,136 -2,518 -6,358 -322 15,862 1990-2025
Louisiana
-3,317 -2,261 -2,034 -33,355 -14,594 22,037 1990-2025
Maryland
692 -849 -1,992 -840 -529 102 1990-2025
Michigan
-51,081 -54,554 -58,033 -38,615 37,283 151,471 1990-2025
Minnesota
-371 -347 -422 -389 -110 312 1990-2025
Mississippi
16,453 674 -11,394 -21,556 -8,174 24,631 1990-2025
Missouri
-6 9 -57 -437 -235 412 1990-2025
Montana
-4,379 -4,937 -5,772 -1,404 2,798 7,097 1990-2025
Nebraska
-290 287 4 -357 -142 229 1990-2025
New Mexico
-546 619 -2,250 -2,476 -2,903 -356 1990-2025
New York
-2,385 -7,080 -10,487 -9,397 1,485 15,814 1990-2025
Ohio
-19,196 -25,080 -25,287 -11,150 11,044 30,384 1990-2025
Oklahoma
-39 4,073 -10,775 -12,245 1,144 30,278 1990-2025
Oregon
-1,783 793 -644 -998 -1,171 1,115 1990-2025
Pennsylvania
-8,333 -32,392 -44,429 -29,946 4,710 66,874 1990-2025
Tennessee
-93     0 19 39 1998-2025
Texas
-6,987 12,772 -11,695 -32,760 -25,615 56,560 1990-2025
Utah
-5,307 -2,615 -4,356 -3,397 1,195 6,918 1990-2025
Virginia
-146 220 -207 123 -506 293 1995-2025
Washington
-965 478 -1,571 991 -568 1,361 1990-2025
West Virginia
-14,202 -26,391 -23,367 -8,657 19,975 56,127 1990-2025
Wyoming
-2,410 755 -1,179 -4,671 1,887 6,884 1990-2025
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
-43,570 -91,571 -105,768 -59,867 36,178 169,594 2013-2025
South Central Region
2,411 6,360 -53,628 -106,256 -43,317 148,074 2013-2025
Midwest Region
-73,418 -99,146 -122,085 -111,538 30,286 238,128 2013-2025
Mountain Region
-17,710 -8,416 -18,286 -14,174 2,732 26,491 2013-2025
Pacific Region
-16,484 9,471 -7,304 -14,441 4,241 9,413 2013-2025
- = 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: 2/27/2026
Next Release Date: 3/31/2026