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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-26 Mar-26 Apr-26 May-26 Jun-26 Jul-26 View
History
U.S.
1,902,857 1,906,002 2,209,775 2,635,981 2,994,817 3,137,146 1973-2026
Alaska
29,593 27,768 28,325 29,994 32,541 35,030 2013-2026
Lower 48 States
1,873,264 1,878,233 2,181,450 2,605,987 2,962,276 3,102,116 2011-2026
Alabama
11,736 17,304 22,863 24,831 23,497 16,796 1995-2026
Arkansas
1,763 1,423 1,934 2,685 3,471 4,305 1990-2026
California
232,221 233,566 246,700 264,186 276,337 263,753 1990-2026
Colorado
32,925 35,651 27,714 28,930 34,241 37,032 1990-2026
Illinois
96,573 75,877 77,356 101,123 140,233 157,356 1990-2026
Indiana
13,564 12,065 12,434 13,360 14,581 16,598 1990-2026
Iowa
30,822 25,764 25,209 31,369 37,165 38,748 1990-2026
Kansas
62,851 59,439 59,361 60,610 73,680 81,983 1990-2026
Kentucky
41,570 49,938 62,499 78,349 86,188 87,043 1990-2026
Louisiana
169,280 190,267 221,739 272,778 309,765 320,375 1990-2026
Maryland
7,672 5,788 6,149 7,463 8,808 10,609 1990-2026
Michigan
202,266 182,869 262,006 350,548 437,163 497,115 1990-2026
Minnesota
779 325 153 191 417 719 1990-2026
Mississippi
66,906 86,113 105,300 114,267 117,131 85,529 1990-2026
Missouri
2,184 2,473 2,470 2,379 2,215 2,177 1990-2026
Montana
15,887 12,526 15,690 20,163 24,598 26,866 1990-2026
Nebraska
8,146 8,182 8,569 9,060 9,873 10,108 1990-2026
New Mexico
41,265 43,471 46,399 46,194 43,009 41,191 1990-2026
New York
44,490 34,857 42,895 57,150 66,459 73,470 1990-2026
Ohio
76,424 58,846 68,219 89,977 111,270 133,426 1990-2026
Oklahoma
92,904 98,897 115,638 133,639 145,123 148,100 1990-2026
Oregon
12,137 13,674 14,367 17,752 19,912 19,952 1990-2026
Pennsylvania
132,260 129,397 168,168 221,335 264,710 287,904 1990-2026
Tennessee
1,400 1,425 1,504 1,588 1,589 1,589 1997-2026
Texas
311,856 341,700 370,631 398,667 417,361 420,105 1990-2026
Utah
31,688 35,249 40,225 47,715 51,731 54,242 1990-2026
Virginia
3,477 3,049 3,441 3,677 3,601 3,709 1997-2026
Washington
13,479 12,254 13,579 19,245 21,427 20,940 1990-2026
West Virginia
54,789 43,129 73,275 118,468 146,578 171,823 1990-2026
Wyoming
59,951 62,712 64,961 68,287 70,143 68,552 1990-2026
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
319,112 275,067 362,148 498,071 601,426 680,941 2013-2026
South Central Region
717,296 795,144 897,467 1,007,477 1,090,029 1,077,194 2013-2026
Midwest Region
389,158 350,737 443,631 578,908 719,550 801,345 2013-2026
Mountain Region
189,861 197,792 203,559 220,349 233,596 237,990 2013-2026
Pacific Region
257,837 259,494 274,646 301,182 317,676 304,645 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: 9/30/2026
Next Release Date: 10/30/2026