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Underground Natural Gas Storage by All Operators
(Million Cubic Feet)
Data Series: Period:
 Monthly 
 Show Data By:
Data Series Area
Apr-25 May-25 Jun-25 Jul-25 Aug-25 Sep-25 View
History
U.S.
2,140,957 2,636,591 2,990,129 3,143,846 3,328,534 3,636,795 1973-2025
Alaska
25,098 26,648 28,493 30,864 33,439 35,637 2013-2025
Lower 48 States
2,115,859 2,609,944 2,961,636 3,112,983 3,295,095 3,601,158 2011-2025
Alabama
24,423 26,853 23,699 17,273 19,782 22,454 1995-2025
Arkansas
1,050 1,964 2,897 3,898 4,818 5,445 1990-2025
California
206,597 230,808 250,910 264,578 256,388 261,487 1990-2025
Colorado
36,304 41,194 46,472 51,250 53,776 58,510 1990-2025
Illinois
75,226 93,300 120,513 142,728 171,583 212,894 1990-2025
Indiana
10,110 12,165 14,231 16,693 20,639 24,941 1990-2025
Iowa
24,414 28,556 33,142 33,318 39,465 54,613 1990-2025
Kansas
53,016 62,965 77,733 86,855 92,303 106,734 1990-2025
Kentucky
60,077 79,100 81,829 80,976 86,112 88,630 1990-2025
Louisiana
233,107 281,128 305,182 308,253 309,658 311,091 1990-2025
Maryland
8,509 11,716 13,446 12,754 13,603 15,595 1990-2025
Michigan
270,248 363,462 437,217 488,297 542,852 600,885 1990-2025
Minnesota
520 462 507 879 1,226 1,648 1990-2025
Mississippi
115,781 126,806 121,481 105,053 104,385 115,824 1990-2025
Missouri
2,261 2,265 2,255 2,261 2,253 2,310 1990-2025
Montana
14,731 18,440 22,154 26,534 31,471 37,243 1990-2025
Nebraska
8,496 9,528 10,679 10,965 10,674 10,665 1990-2025
New Mexico
36,359 37,136 36,633 37,179 36,560 38,810 1990-2025
New York
48,830 62,910 72,481 74,867 81,946 92,431 1990-2025
Ohio
63,214 88,337 110,752 129,945 155,025 180,312 1990-2025
Oklahoma
105,460 133,071 153,862 155,483 151,411 162,186 1990-2025
Oregon
7,646 12,265 17,409 19,183 18,388 19,028 1990-2025
Pennsylvania
156,008 216,963 259,612 267,889 300,183 344,623 1990-2025
Tennessee
1,391 1,411 1,486 1,578 1,578 1,578 1997-2025
Texas
369,595 418,767 454,573 460,759 447,917 459,446 1990-2025
Utah
26,623 35,717 42,441 47,748 50,362 54,697 1990-2025
Virginia
3,872 4,141 4,346 4,492 4,272 4,479 1997-2025
Washington
16,308 18,176 20,459 21,424 20,946 22,519 1990-2025
West Virginia
77,273 123,424 149,689 163,889 190,267 213,674 1990-2025
Wyoming
58,409 66,912 73,543 75,982 75,253 76,402 1990-2025
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
357,706 507,492 610,327 653,837 745,296 851,114 2013-2025
South Central Region
902,432 1,051,554 1,139,427 1,137,573 1,130,273 1,183,181 2013-2025
Midwest Region
444,248 580,722 691,181 766,730 865,708 987,501 2013-2025
Mountain Region
180,923 208,927 231,923 249,658 258,096 276,328 2013-2025
Pacific Region
230,551 261,249 288,778 305,185 295,722 303,034 2013-2025
- = 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: 11/28/2025
Next Release Date: 12/31/2025