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Underground Natural Gas Storage by All Operators
(Million Cubic Feet)
Data Series: Period:
 Monthly 
 Show Data By:
Data Series Area
May-25 Jun-25 Jul-25 Aug-25 Sep-25 Oct-25 View
History
U.S.
2,636,591 2,990,129 3,143,846 3,328,534 3,636,795 3,942,177 1973-2025
Alaska
26,648 28,493 30,864 33,439 35,637 36,820 2013-2025
Lower 48 States
2,609,944 2,961,636 3,112,983 3,295,095 3,601,158 3,905,356 2011-2025
Alabama
26,853 23,699 17,273 19,782 22,454 26,606 1995-2025
Arkansas
1,964 2,897 3,898 4,818 5,445 6,004 1990-2025
California
230,808 250,910 264,578 256,388 261,487 275,855 1990-2025
Colorado
41,194 46,472 51,250 53,776 58,510 60,379 1990-2025
Illinois
93,300 120,513 142,728 171,583 212,894 257,507 1990-2025
Indiana
12,165 14,231 16,693 20,639 24,941 27,990 1990-2025
Iowa
28,556 33,142 33,318 39,465 54,613 72,286 1990-2025
Kansas
62,965 77,733 86,855 92,303 106,734 108,303 1990-2025
Kentucky
79,100 81,829 80,976 86,112 88,630 94,988 1990-2025
Louisiana
281,128 305,182 308,253 309,658 311,091 344,047 1990-2025
Maryland
11,716 13,446 12,754 13,603 15,595 16,400 1990-2025
Michigan
363,462 437,217 488,297 542,852 600,885 639,028 1990-2025
Minnesota
462 507 879 1,226 1,648 2,037 1990-2025
Mississippi
126,806 121,481 105,053 104,385 115,824 137,417 1990-2025
Missouri
2,265 2,255 2,261 2,253 2,310 2,747 1990-2025
Montana
18,440 22,154 26,534 31,471 37,243 38,647 1990-2025
Nebraska
9,528 10,679 10,965 10,674 10,665 11,019 1990-2025
New Mexico
37,136 36,633 37,179 36,560 38,810 41,286 1990-2025
New York
62,910 72,481 74,867 81,946 92,431 101,905 1990-2025
Ohio
88,337 110,752 129,945 155,025 180,312 191,462 1990-2025
Oklahoma
133,071 153,862 155,483 151,411 162,186 174,188 1990-2025
Oregon
12,265 17,409 19,183 18,388 19,028 20,021 1990-2025
Pennsylvania
216,963 259,612 267,889 300,183 344,623 374,578 1990-2025
Tennessee
1,411 1,486 1,578 1,578 1,578 1,578 1997-2025
Texas
418,767 454,573 460,759 447,917 459,446 491,754 1990-2025
Utah
35,717 42,441 47,748 50,362 54,697 58,094 1990-2025
Virginia
4,141 4,346 4,492 4,272 4,479 4,356 1997-2025
Washington
18,176 20,459 21,424 20,946 22,519 21,528 1990-2025
West Virginia
123,424 149,689 163,889 190,267 213,674 222,341 1990-2025
Wyoming
66,912 73,543 75,982 75,253 76,402 81,004 1990-2025
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
507,492 610,327 653,837 745,296 851,114 911,043 2013-2025
South Central Region
1,051,554 1,139,427 1,137,573 1,130,273 1,183,181 1,288,319 2013-2025
Midwest Region
580,722 691,181 766,730 865,708 987,501 1,098,162 2013-2025
Mountain Region
208,927 231,923 249,658 258,096 276,328 290,428 2013-2025
Pacific Region
261,249 288,778 305,185 295,722 303,034 317,404 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: 12/31/2025
Next Release Date: 1/30/2026