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Underground Natural Gas Storage by All Operators
(Million Cubic Feet)
Data Series: Period:
 Show Data By:
Data Series Area
Dec-25 Jan-26 Feb-26 Mar-26 Apr-26 May-26 View
History
U.S.
594,350 905,926 501,383 -5,472 -307,162 -430,317 1973-2026
Alaska
2,650 2,391 1,381 1,825 -556 -1,669 2013-2026
Lower 48 States
591,700 903,535 500,002 -7,297 -306,605 -428,648 2011-2026
Alabama
3,140 9,952 2,215 -5,568 -5,559 -1,968 1993-2026
Arkansas
1,115 1,645 876 340 -511 -750 1990-2026
California
6,936 23,045 7,969 -1,316 -13,124 -17,456 1990-2026
Colorado
5,718 9,870 1,211 -2,927 7,838 -1,357 1990-2026
Illinois
47,711 67,660 45,151 20,867 -875 -24,129 1990-2026
Indiana
3,996 6,771 4,307 1,498 -373 -1,212 1990-2026
Iowa
18,326 18,323 10,996 5,058 555 -6,160 1990-2026
Kansas
10,312 24,322 7,274 3,411 78 -1,249 1990-2026
Kentucky
15,862 24,522 13,338 -8,510 -12,562 -15,850 1990-2026
Louisiana
22,037 102,643 65,896 -20,578 -31,426 -51,329 1990-2026
Maryland
102 5,060 4,003 1,861 -360 -1,314 1990-2026
Michigan
151,471 151,960 96,017 19,085 -79,658 -89,026 1990-2026
Minnesota
312 555 252 454 172 -38 1990-2026
Mississippi
24,631 42,686 13,130 -18,681 -20,808 -9,862 1990-2026
Missouri
412 1,215 -863 -290 3 91 1990-2026
Montana
7,097 7,766 5,099 3,361 -3,164 -4,473 1990-2026
Nebraska
229 1,869 908 -40 -391 -495 1990-2026
New Mexico
-356 3,271 -789 -2,207 -2,928 205 1990-2026
New York
15,814 22,077 18,667 9,861 -8,341 -14,459 1990-2026
Ohio
30,384 42,396 31,230 17,579 -9,373 -21,750 1990-2026
Oklahoma
30,278 36,222 14,358 -5,993 -16,741 -18,002 1990-2026
Oregon
1,115 4,895 3,030 -1,546 -697 -3,403 1990-2026
Pennsylvania
66,874 98,574 72,713 2,866 -38,812 -53,163 1990-2026
Tennessee
39 83 36 -25 -78 -84 1998-2026
Texas
56,560 112,731 35,906 -31,464 -28,705 -28,147 1990-2026
Utah
6,918 13,948 4,344 -3,561 -4,976 -7,490 1990-2026
Virginia
293 1,207 -113 380 -392 -237 1995-2026
Washington
1,361 4,050 3,206 1,225 -1,324 -5,666 1990-2026
West Virginia
56,127 55,453 36,075 11,713 -30,162 -45,236 1990-2026
Wyoming
6,884 8,764 3,558 -4,147 -3,912 -4,639 1990-2026
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
169,594 224,766 162,575 44,260 -87,440 -136,158 2013-2026
South Central Region
148,074 330,201 139,655 -78,533 -103,671 -111,307 2013-2026
Midwest Region
238,128 271,089 169,236 38,137 -92,816 -136,408 2013-2026
Mountain Region
26,491 45,488 14,331 -9,522 -7,532 -18,249 2013-2026
Pacific Region
9,413 31,990 14,205 -1,638 -15,145 -26,525 2013-2026
- = 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: 7/31/2026
Next Release Date: 8/31/2026