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Underground Natural Gas Storage by All Operators
(Million Cubic Feet)
Data Series: Period:
 Monthly 
 Show Data By:
Data Series Area
Feb-25 Mar-25 Apr-25 May-25 Jun-25 Jul-25 View
History
U.S.
-560,061 -470,188 -421,492 -286,583 -184,839 -149,130 1973-2025
Alaska
-574 337 840 1,054 921 1,250 2013-2025
Lower 48 States
-559,486 -470,525 -422,332 -287,637 -185,760 -150,379 2011-2025
Alabama
-7,859 -3,578 1,468 4,537 3,581 -1,607 1996-2025
Arkansas
-481 -520 -535 -555 -486 -354 1990-2025
California
-12,876 -16,501 -9,697 -5,283 5,206 13,385 1990-2025
Colorado
-3,810 4,637 3,282 2,022 946 2,366 1990-2025
Illinois
-7,572 1,966 7,272 8,204 5,707 -3,510 1990-2025
Indiana
-3,160 -3,773 -4,141 -2,886 -1,784 -920 1990-2025
Iowa
880 2,596 3,156 5,250 4,289 656 1991-2025
Kansas
-24,805 -24,981 -26,434 -21,484 -12,470 -4,974 1990-2025
Kentucky
-16,695 -10,313 -12,358 -4,249 -4,767 -6,094 1990-2025
Louisiana
-97,753 -81,700 -62,830 -32,251 -16,726 -12,289 1990-2025
Maryland
-3,234 -3,827 -2,738 -442 -1,464 -2,201 1990-2025
Michigan
-151,453 -132,575 -127,629 -110,391 -92,660 -67,336 1990-2025
Minnesota
-428 -183 -519 -571 -520 -276 1990-2025
Mississippi
-22,713 -1,781 9,585 17,651 15,006 -496 1990-2025
Missouri
-623 -146 -64 -55 -70 -168 1990-2025
Montana
5,572 4,661 1,653 -580 -4,122 -6,012 1990-2025
Nebraska
911 800 -64 13 174 182 1991-2025
New Mexico
-2,915 -4,974 -9,312 -10,142 -11,251 -11,907 1990-2025
New York
-10,350 -4,862 -2,721 -863 -1,011 -4,060 1990-2025
Ohio
-7,164 -12,037 -20,984 -18,813 -16,522 -14,259 1990-2025
Oklahoma
-30,226 -25,721 -17,456 -9,350 -61 1,617 1990-2025
Oregon
-4,109 -6,085 -5,987 -4,762 -1,597 -772 1990-2025
Pennsylvania
-56,748 -47,703 -52,040 -44,879 -34,450 -34,935 1990-2025
Tennessee
24 15 -31 -84 -99 -3 1997-2025
Texas
-96,223 -91,331 -78,915 -50,290 -21,278 1,636 1990-2025
Utah
-9,319 -12,653 -11,151 -8,561 -4,322 -1,163 1991-2025
Virginia
-108 188 466 476 1,210 617 1997-2025
Washington
-2,446 -2,820 -123 -2,852 -1,272 1,080 1990-2025
West Virginia
-5,568 -6,806 -12,947 -7,124 -7,473 -11,317 1990-2025
Wyoming
11,765 9,484 9,464 10,675 12,526 12,736 1990-2025
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
-83,172 -75,048 -90,964 -71,645 -59,712 -66,155 2013-2025
South Central Region
-280,060 -229,613 -175,118 -91,742 -32,433 -16,467 2013-2025
Midwest Region
-179,026 -142,413 -134,314 -104,782 -89,904 -77,652 2013-2025
Mountain Region
2,203 1,956 -6,129 -6,573 -6,049 -3,799 2013-2025
Pacific Region
-19,431 -25,407 -15,807 -12,896 2,338 13,693 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: 9/30/2025
Next Release Date: 10/31/2025