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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-24 Jan-25 Feb-25 Mar-25 Apr-25 May-25 View
History
U.S.
-19,476 -186,766 -560,061 -470,188 -421,492 -286,583 1973-2025
Alaska
-1,552 -581 -574 337 840 1,054 2013-2025
Lower 48 States
-17,923 -186,185 -559,486 -470,525 -422,332 -287,637 2011-2025
Alabama
4,540 131 -7,859 -3,578 1,468 4,537 1996-2025
Arkansas
391 206 -481 -520 -535 -555 1990-2025
California
14,245 5,130 -12,876 -16,501 -9,697 -5,283 1990-2025
Colorado
-521 -5,314 -3,810 4,637 3,282 2,022 1990-2025
Illinois
-2,960 -3,357 -7,572 1,966 7,272 8,204 1990-2025
Indiana
-933 -1,837 -3,160 -3,773 -4,141 -2,886 1990-2025
Iowa
-794 -249 880 2,596 3,156 5,250 1991-2025
Kansas
-5,802 -8,414 -24,805 -24,981 -26,434 -21,484 1990-2025
Kentucky
-4,104 -7,212 -16,695 -10,313 -12,358 -4,249 1990-2025
Louisiana
12,902 -16,563 -97,753 -81,700 -62,830 -32,251 1990-2025
Maryland
255 -936 -3,234 -3,827 -2,738 -442 1990-2025
Michigan
-48,410 -78,826 -151,453 -132,575 -127,629 -110,391 1990-2025
Minnesota
-92 -98 -428 -183 -519 -571 1990-2025
Mississippi
9,549 -8,214 -22,713 -1,781 9,585 17,651 1990-2025
Missouri
38 352 -623 -146 -64 -55 1990-2025
Montana
7,850 7,098 5,572 4,661 1,653 -580 1990-2025
Nebraska
1,767 2,034 911 800 -64 13 1991-2025
New Mexico
3,078 92 -2,915 -4,974 -9,312 -10,142 1990-2025
New York
-6,275 -10,259 -10,350 -4,862 -2,721 -863 1990-2025
Ohio
2,845 -1,734 -7,164 -12,037 -20,984 -18,813 1990-2025
Oklahoma
-1,393 -7,748 -30,226 -25,721 -17,456 -9,350 1990-2025
Oregon
204 -1,069 -4,109 -6,085 -5,987 -4,762 1990-2025
Pennsylvania
-35,602 -48,311 -56,748 -47,703 -52,040 -44,879 1990-2025
Tennessee
125 56 24 15 -31 -84 1997-2025
Texas
12,805 -6,314 -96,223 -91,331 -78,915 -50,290 1990-2025
Utah
2,091 -2,227 -9,319 -12,653 -11,151 -8,561 1991-2025
Virginia
328 330 -108 188 466 476 1997-2025
Washington
83 -665 -2,446 -2,820 -123 -2,852 1990-2025
West Virginia
-1,083 -6,765 -5,568 -6,806 -12,947 -7,124 1990-2025
Wyoming
16,948 14,499 11,765 9,484 9,464 10,675 1990-2025
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
-39,531 -67,674 -83,172 -75,048 -90,964 -71,645 2013-2025
South Central Region
32,992 -46,916 -280,060 -229,613 -175,118 -91,742 2013-2025
Midwest Region
-57,129 -91,171 -179,026 -142,413 -134,314 -104,782 2013-2025
Mountain Region
31,214 16,182 2,203 1,956 -6,129 -6,573 2013-2025
Pacific Region
14,532 3,396 -19,431 -25,407 -15,807 -12,896 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: 7/31/2025
Next Release Date: 8/29/2025