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Underground Natural Gas Storage by All Operators
(Million Cubic Feet)
Data Series: Period:
 Monthly 
 Show Data By:
Data Series Area
Mar-25 Apr-25 May-25 Jun-25 Jul-25 Aug-25 View
History
U.S.
-470,188 -421,492 -286,583 -184,839 -149,759 -41,707 1973-2025
Alaska
337 840 1,054 921 1,250 2,198 2013-2025
Lower 48 States
-470,525 -422,332 -287,637 -185,760 -151,009 -43,905 2011-2025
Alabama
-3,578 1,468 4,537 3,581 -1,607 924 1996-2025
Arkansas
-520 -535 -555 -486 -354 -267 1990-2025
California
-16,501 -9,697 -5,283 5,206 13,385 7,360 1990-2025
Colorado
4,637 3,282 2,022 946 2,366 618 1990-2025
Illinois
1,966 7,272 8,204 5,707 -3,510 -7,661 1990-2025
Indiana
-3,773 -4,141 -2,886 -1,784 -920 -185 1990-2025
Iowa
2,596 3,156 5,250 4,289 656 -3,328 1991-2025
Kansas
-24,981 -26,434 -21,484 -12,470 -4,974 -6,382 1990-2025
Kentucky
-10,313 -12,358 -4,249 -4,767 -6,094 -1,470 1990-2025
Louisiana
-81,700 -62,830 -32,251 -16,726 -12,289 3,138 1990-2025
Maryland
-3,827 -2,738 -442 -1,464 -2,201 -1,322 1990-2025
Michigan
-132,575 -127,629 -110,391 -92,660 -67,336 -41,961 1990-2025
Minnesota
-183 -519 -571 -520 -276 -200 1990-2025
Mississippi
-1,781 9,585 17,651 15,006 -887 46 1990-2025
Missouri
-146 -64 -55 -70 -168 -171 1990-2025
Montana
4,661 1,653 -580 -4,122 -6,012 -5,800 1990-2025
Nebraska
800 -64 13 174 182 -177 1991-2025
New Mexico
-4,974 -9,312 -10,142 -11,251 -11,907 -13,694 1990-2025
New York
-4,862 -2,721 -863 -1,011 -4,060 -1,232 1990-2025
Ohio
-12,037 -20,984 -18,813 -16,522 -14,259 -5,388 1990-2025
Oklahoma
-25,721 -17,456 -9,350 -61 1,617 -3,041 1990-2025
Oregon
-6,085 -5,987 -4,762 -1,597 -772 -1,756 1990-2025
Pennsylvania
-47,703 -52,040 -44,879 -34,450 -34,935 -9,661 1990-2025
Tennessee
15 -31 -84 -99 -3 -3 1997-2025
Texas
-91,331 -78,915 -50,290 -21,278 1,398 39,758 1990-2025
Utah
-12,653 -11,151 -8,561 -4,322 -1,163 -182 1991-2025
Virginia
188 466 476 1,210 617 515 1997-2025
Washington
-2,820 -123 -2,852 -1,272 1,080 19 1990-2025
West Virginia
-6,806 -12,947 -7,124 -7,473 -11,317 -1,570 1990-2025
Wyoming
9,484 9,464 10,675 12,526 12,736 9,171 1990-2025
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
-75,048 -90,964 -71,645 -59,712 -66,155 -18,659 2013-2025
South Central Region
-229,613 -175,118 -91,742 -32,433 -17,096 34,175 2013-2025
Midwest Region
-142,413 -134,314 -104,782 -89,904 -77,652 -54,981 2013-2025
Mountain Region
1,956 -6,129 -6,573 -6,049 -3,799 -10,063 2013-2025
Pacific Region
-25,407 -15,807 -12,896 2,338 13,693 5,623 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: 10/31/2025
Next Release Date: 11/28/2025