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Underground Natural Gas Storage by All Operators
(Million Cubic Feet)
Data Series: Period:
 Monthly 
 Show Data By:
Data Series Area
Jan-26 Feb-26 Mar-26 Apr-26 May-26 Jun-26 View
History
U.S.
2,402,031 1,902,857 1,906,002 2,209,775 2,635,981 2,994,817 1973-2026
Alaska
30,974 29,593 27,768 28,325 29,994 32,541 2013-2026
Lower 48 States
2,371,057 1,873,264 1,878,233 2,181,450 2,605,987 2,962,276 2011-2026
Alabama
13,801 11,736 17,304 22,863 24,831 23,497 1995-2026
Arkansas
2,639 1,763 1,423 1,934 2,685 3,471 1990-2026
California
240,171 232,221 233,566 246,700 264,186 276,337 1990-2026
Colorado
34,135 32,925 35,651 27,714 28,930 34,241 1990-2026
Illinois
141,501 96,573 75,877 77,356 101,123 140,233 1990-2026
Indiana
17,878 13,564 12,065 12,434 13,360 14,581 1990-2026
Iowa
41,819 30,822 25,764 25,209 31,369 37,165 1990-2026
Kansas
70,125 62,851 59,439 59,361 60,610 73,680 1990-2026
Kentucky
54,915 41,570 49,938 62,499 78,349 86,188 1990-2026
Louisiana
235,002 169,280 190,267 221,739 272,778 309,765 1990-2026
Maryland
11,675 7,672 5,788 6,149 7,463 8,808 1990-2026
Michigan
298,478 202,266 182,869 262,006 350,548 437,163 1990-2026
Minnesota
1,031 779 325 153 191 417 1990-2026
Mississippi
79,202 66,906 86,113 105,300 114,267 117,131 1990-2026
Missouri
1,320 2,184 2,473 2,470 2,379 2,215 1990-2026
Montana
20,986 15,887 12,526 15,690 20,163 24,598 1990-2026
Nebraska
9,058 8,146 8,182 8,569 9,060 9,873 1990-2026
New Mexico
40,475 41,265 43,471 46,399 46,194 43,009 1990-2026
New York
62,451 44,490 34,857 42,895 57,150 66,459 1990-2026
Ohio
107,647 76,424 58,846 68,219 89,977 111,270 1990-2026
Oklahoma
107,262 92,904 98,897 115,638 133,639 145,123 1990-2026
Oregon
15,170 12,137 13,674 14,367 17,752 19,912 1990-2026
Pennsylvania
204,830 132,260 129,397 168,168 221,335 264,710 1990-2026
Tennessee
1,436 1,400 1,425 1,504 1,588 1,589 1997-2026
Texas
347,764 311,856 341,700 370,631 398,667 417,361 1990-2026
Utah
36,032 31,688 35,249 40,225 47,715 51,731 1990-2026
Virginia
3,363 3,477 3,049 3,441 3,677 3,601 1997-2026
Washington
16,684 13,479 12,254 13,579 19,245 21,427 1990-2026
West Virginia
90,695 54,789 43,129 73,275 118,468 146,578 1990-2026
Wyoming
63,509 59,951 62,712 64,961 68,287 70,143 1990-2026
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
480,660 319,112 275,067 362,148 498,071 601,426 2013-2026
South Central Region
855,796 717,296 795,144 897,467 1,007,477 1,090,029 2013-2026
Midwest Region
558,379 389,158 350,737 443,631 578,908 719,550 2013-2026
Mountain Region
204,196 189,861 197,792 203,559 220,349 233,596 2013-2026
Pacific Region
272,025 257,837 259,494 274,646 301,182 317,676 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: 8/31/2026
Next Release Date: 9/30/2026