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Underground Natural Gas Storage by All Operators
(Million Cubic Feet)
Data Series: Period:
 Monthly 
 Show Data By:
Data Series Area
Apr-25 May-25 Jun-25 Jul-25 Aug-25 Sep-25 View
History
U.S.
-421,492 -286,585 -184,844 -149,768 -41,721 21,459 1973-2025
Alaska
840 1,052 916 1,240 2,184 3,130 2013-2025
Lower 48 States
-422,332 -287,637 -185,760 -151,009 -43,905 18,329 2011-2025
Alabama
1,468 4,537 3,581 -1,607 924 4,479 1996-2025
Arkansas
-535 -555 -486 -354 -267 -258 1990-2025
California
-9,697 -5,283 5,206 13,385 7,360 8,349 1990-2025
Colorado
3,282 2,022 946 2,366 618 1,072 1990-2025
Illinois
7,272 8,204 5,707 -3,510 -7,661 -5,639 1990-2025
Indiana
-4,141 -2,886 -1,784 -920 -185 175 1990-2025
Iowa
3,156 5,250 4,289 656 -3,328 -3,682 1991-2025
Kansas
-26,434 -21,484 -12,470 -4,974 -6,382 2,077 1990-2025
Kentucky
-12,358 -4,249 -4,767 -6,094 -1,470 -2,976 1990-2025
Louisiana
-62,830 -32,251 -16,726 -12,289 3,138 1,535 1990-2025
Maryland
-2,738 -442 -1,464 -2,201 -1,322 -894 1990-2025
Michigan
-127,629 -110,391 -92,660 -67,336 -41,961 -22,193 1990-2025
Minnesota
-519 -571 -520 -276 -200 -111 1990-2025
Mississippi
9,585 17,651 15,006 -887 46 11,318 1990-2025
Missouri
-64 -55 -70 -168 -171 -104 1990-2025
Montana
1,653 -580 -4,122 -6,012 -5,800 -4,855 1990-2025
Nebraska
-64 13 174 182 -177 -861 1991-2025
New Mexico
-9,312 -10,142 -11,251 -11,907 -13,694 -11,827 1990-2025
New York
-2,721 -863 -1,011 -4,060 -1,232 -3,330 1990-2025
Ohio
-20,984 -18,813 -16,522 -14,259 -5,388 -235 1990-2025
Oklahoma
-17,456 -9,350 -61 1,617 -3,041 -26 1990-2025
Oregon
-5,987 -4,762 -1,597 -772 -1,756 -1,272 1990-2025
Pennsylvania
-52,040 -44,879 -34,450 -34,935 -9,661 -4,999 1990-2025
Tennessee
-31 -84 -99 -3 -3 -3 1997-2025
Texas
-78,915 -50,290 -21,278 1,398 39,758 43,447 1990-2025
Utah
-11,151 -8,561 -4,322 -1,163 -182 2,655 1991-2025
Virginia
466 476 1,210 617 515 282 1997-2025
Washington
-123 -2,852 -1,272 1,080 19 210 1990-2025
West Virginia
-12,947 -7,124 -7,473 -11,317 -1,570 -1,983 1990-2025
Wyoming
9,464 10,675 12,526 12,736 9,171 7,977 1990-2025
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
-90,964 -71,645 -59,712 -66,155 -18,659 -11,159 2013-2025
South Central Region
-175,118 -91,742 -32,433 -17,096 34,175 62,572 2013-2025
Midwest Region
-134,314 -104,782 -89,904 -77,652 -54,981 -34,533 2013-2025
Mountain Region
-6,129 -6,573 -6,049 -3,799 -10,063 -5,838 2013-2025
Pacific Region
-15,807 -12,896 2,338 13,693 5,623 7,287 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: 11/28/2025
Next Release Date: 12/31/2025