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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-25 Jan-26 Feb-26 Mar-26 Apr-26 May-26 View
History
U.S.
3,303,456 2,402,031 1,902,857 1,906,002 2,209,775 2,635,981 1973-2026
Alaska
33,342 30,974 29,593 27,768 28,325 29,994 2013-2026
Lower 48 States
3,270,114 2,371,057 1,873,264 1,878,233 2,181,450 2,605,987 2011-2026
Alabama
23,753 13,801 11,736 17,304 22,863 24,831 1995-2026
Arkansas
4,284 2,639 1,763 1,423 1,934 2,685 1990-2026
California
263,191 240,171 232,221 233,566 246,700 264,186 1990-2026
Colorado
44,040 34,135 32,925 35,651 27,714 28,930 1990-2026
Illinois
209,161 141,501 96,573 75,877 77,356 101,123 1990-2026
Indiana
24,660 17,878 13,564 12,065 12,434 13,360 1990-2026
Iowa
60,142 41,819 30,822 25,764 25,209 31,369 1990-2026
Kansas
94,446 70,125 62,851 59,439 59,361 60,610 1990-2026
Kentucky
79,452 54,915 41,570 49,938 62,499 78,349 1990-2026
Louisiana
336,853 235,002 169,280 190,267 221,739 272,778 1990-2026
Maryland
16,735 11,675 7,672 5,788 6,149 7,463 1990-2026
Michigan
450,246 298,478 202,266 182,869 262,006 350,548 1990-2026
Minnesota
1,586 1,031 779 325 153 191 1990-2026
Mississippi
120,460 79,202 66,906 86,113 105,300 114,267 1990-2026
Missouri
2,536 1,320 2,184 2,473 2,470 2,379 1990-2026
Montana
28,752 20,986 15,887 12,526 15,690 20,163 1990-2026
Nebraska
10,931 9,058 8,146 8,182 8,569 9,060 1990-2026
New Mexico
43,747 40,475 41,265 43,471 46,399 46,194 1990-2026
New York
84,528 62,451 44,490 34,857 42,895 57,150 1990-2026
Ohio
150,035 107,647 76,424 58,846 68,219 89,977 1990-2026
Oklahoma
143,485 107,262 92,904 98,897 115,638 133,639 1990-2026
Oregon
20,065 15,170 12,137 13,674 14,367 17,752 1990-2026
Pennsylvania
303,400 204,830 132,260 129,397 168,168 221,335 1990-2026
Tennessee
1,520 1,436 1,400 1,425 1,504 1,588 1997-2026
Texas
458,395 347,764 311,856 341,700 370,631 398,667 1990-2026
Utah
49,980 36,032 31,688 35,249 40,225 47,715 1990-2026
Virginia
4,570 3,363 3,477 3,049 3,441 3,677 1997-2026
Washington
20,735 16,684 13,479 12,254 13,579 19,245 1990-2026
West Virginia
146,154 90,695 54,789 43,129 73,275 118,468 1990-2026
Wyoming
72,273 63,509 59,951 62,712 64,961 68,287 1990-2026
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
705,421 480,660 319,112 275,067 362,148 498,071 2013-2026
South Central Region
1,181,677 855,796 717,296 795,144 897,467 1,007,477 2013-2026
Midwest Region
829,302 558,379 389,158 350,737 443,631 578,908 2013-2026
Mountain Region
249,723 204,196 189,861 197,792 203,559 220,349 2013-2026
Pacific Region
303,992 272,025 257,837 259,494 274,646 301,182 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