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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.
7,802,750 6,899,690 6,398,509 6,403,137 6,710,832 7,139,580 1973-2026
Alaska
47,539 45,171 43,790 41,966 42,522 44,191 2013-2026
Lower 48 States
7,755,210 6,854,519 6,354,719 6,361,172 6,668,311 7,095,389 2011-2026
Alabama
34,203 24,251 22,186 27,754 33,313 35,281 1995-2026
Arkansas
17,362 15,717 14,841 14,501 15,012 15,763 1990-2026
California
543,974 520,954 513,004 514,349 527,483 544,969 1990-2026
Colorado
115,747 105,842 104,631 107,575 99,736 101,093 1990-2026
Illinois
924,749 857,089 812,160 791,288 792,161 816,290 1990-2026
Indiana
105,985 99,202 94,889 93,390 93,758 94,684 1990-2026
Iowa
258,023 239,700 228,704 223,646 223,091 229,250 1990-2026
Kansas
258,239 233,917 226,643 223,232 223,154 224,402 1990-2026
Kentucky
191,277 166,741 153,396 161,764 174,325 190,175 1990-2026
Louisiana
634,374 531,670 465,659 486,327 517,808 568,629 1990-2026
Maryland
62,412 57,352 53,350 51,488 51,849 53,163 1990-2026
Michigan
837,129 685,361 589,149 569,752 649,370 737,912 1990-2026
Minnesota
6,434 5,879 5,627 5,173 5,001 5,039 1990-2026
Mississippi
240,919 198,913 185,853 204,633 225,538 235,093 1990-2026
Missouri
12,725 11,509 12,373 12,662 12,659 12,568 1990-2026
Montana
211,272 203,506 198,407 195,046 198,210 202,683 1990-2026
Nebraska
33,128 31,255 30,343 30,379 30,766 31,257 1990-2026
New Mexico
73,109 69,837 70,627 72,834 75,761 75,556 1990-2026
New York
201,204 179,187 160,557 150,645 159,191 173,719 1990-2026
Ohio
485,375 442,979 411,750 394,171 403,543 425,293 1990-2026
Oklahoma
312,871 276,649 262,291 268,284 285,024 303,026 1990-2026
Oregon
34,974 30,079 27,046 28,583 29,276 32,661 1990-2026
Pennsylvania
640,045 541,471 468,787 465,896 504,708 557,871 1990-2026
Tennessee
2,397 2,314 2,278 2,303 2,381 2,466 1997-2026
Texas
776,509 665,797 629,887 660,819 689,752 717,840 1990-2026
Utah
119,488 105,540 101,195 104,756 109,732 117,222 1990-2026
Virginia
8,600 7,393 7,507 7,127 7,519 7,755 1997-2026
Washington
43,035 38,984 35,779 34,554 35,879 41,545 1990-2026
West Virginia
415,126 359,670 323,601 311,892 342,048 387,283 1990-2026
Wyoming
154,523 145,759 142,201 146,349 150,261 154,900 1990-2026
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
1,812,763 1,588,052 1,425,551 1,381,220 1,468,858 1,605,084 2013-2026
South Central Region
2,274,479 1,946,914 1,807,360 1,885,550 1,989,602 2,100,034 2013-2026
Midwest Region
2,338,719 2,067,795 1,898,574 1,859,978 1,952,747 2,088,385 2013-2026
Mountain Region
707,266 661,739 647,404 656,938 664,466 682,712 2013-2026
Pacific Region
621,984 590,018 575,829 577,486 592,638 619,174 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