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Underground Natural Gas Storage by All Operators
(Million Cubic Feet)
Data Series: Period:
 Monthly 
 Show Data By:
Data Series Area
Mar-25 Apr-25 May-25 Jun-25 Jul-25 Aug-25 View
History
U.S.
1,835,868 2,140,957 2,636,593 2,990,134 3,143,856 3,328,548 1973-2025
Alaska
24,513 25,098 26,650 28,498 30,873 33,453 2013-2025
Lower 48 States
1,811,355 2,115,859 2,609,944 2,961,636 3,112,983 3,295,095 2011-2025
Alabama
20,437 24,423 26,853 23,699 17,273 19,782 1995-2025
Arkansas
580 1,050 1,964 2,897 3,898 4,818 1990-2025
California
186,111 206,597 230,808 250,910 264,578 256,388 1990-2025
Colorado
37,281 36,304 41,194 46,472 51,250 53,776 1990-2025
Illinois
74,377 75,226 93,300 120,513 142,728 171,583 1990-2025
Indiana
9,627 10,110 12,165 14,231 16,693 20,639 1990-2025
Iowa
24,985 24,414 28,556 33,142 33,318 39,465 1990-2025
Kansas
53,398 53,016 62,965 77,733 86,855 92,303 1990-2025
Kentucky
46,690 60,077 79,100 81,829 80,976 86,112 1990-2025
Louisiana
194,936 233,107 281,128 305,182 308,253 309,658 1990-2025
Maryland
7,486 8,509 11,716 13,446 12,754 13,603 1990-2025
Michigan
204,750 270,248 363,462 437,217 488,297 542,852 1990-2025
Minnesota
928 520 462 507 879 1,226 1990-2025
Mississippi
95,255 115,781 126,806 121,481 105,053 104,385 1990-2025
Missouri
2,184 2,261 2,265 2,255 2,261 2,253 1990-2025
Montana
14,063 14,731 18,440 22,154 26,534 31,471 1990-2025
Nebraska
8,093 8,496 9,528 10,679 10,965 10,674 1990-2025
New Mexico
36,264 36,359 37,136 36,633 37,179 36,560 1990-2025
New York
42,090 48,830 62,910 72,481 74,867 81,946 1990-2025
Ohio
56,768 63,214 88,337 110,752 129,945 155,025 1990-2025
Oklahoma
85,232 105,460 133,071 153,862 155,483 151,411 1990-2025
Oregon
6,434 7,646 12,265 17,409 19,183 18,388 1990-2025
Pennsylvania
126,799 156,008 216,963 259,612 267,889 300,183 1990-2025
Tennessee
1,391 1,391 1,411 1,486 1,578 1,578 1997-2025
Texas
327,881 369,595 418,767 454,573 460,759 447,917 1990-2025
Utah
21,266 26,623 35,717 42,441 47,748 50,362 1990-2025
Virginia
3,549 3,872 4,141 4,346 4,492 4,272 1997-2025
Washington
12,639 16,308 18,176 20,459 21,424 20,946 1990-2025
West Virginia
57,059 77,273 123,424 149,689 163,889 190,267 1990-2025
Wyoming
52,801 58,409 66,912 73,543 75,982 75,253 1990-2025
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
293,751 357,706 507,492 610,327 653,837 745,296 2013-2025
South Central Region
777,719 902,432 1,051,554 1,139,427 1,137,573 1,130,273 2013-2025
Midwest Region
364,933 444,248 580,722 691,181 766,730 865,708 2013-2025
Mountain Region
169,769 180,923 208,927 231,923 249,658 258,096 2013-2025
Pacific Region
205,184 230,551 261,249 288,778 305,185 295,722 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: 10/31/2025
Next Release Date: 11/28/2025