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Underground Natural Gas Storage by All Operators
(Million Cubic Feet)
Data Series: Period:
 Show Data By:
Data Series Area
Mar-25 Apr-25 May-25 Jun-25 Jul-25 Aug-25 View
History
U.S.
287,318 143,847 81,692 106,468 190,841 180,144 1973-2025
Alaska
738 696 149 196 248 118 2013-2025
Lower 48 States
286,580 143,151 81,543 106,272 190,592 180,026 2011-2025
Alabama
375 796 1,593 5,070 7,094 2,470 1994-2025
Arkansas
737 113         1990-2025
California
11,789 3,549 2,571 4,096 4,381 15,055 1990-2025
Colorado
4,729 5,130 2,359 1,255 1,473 3,292 1990-2025
Illinois
24,475 12,059 2,472 344 6,978 3,532 1990-2025
Indiana
1,892 406 6 5 2 4 1990-2025
Iowa
5,057 903 408 233 1,208 418 1990-2025
Kansas
10,865 9,212 2,148 1,414 5,266 5,554 1990-2025
Kentucky
4,463 2,768 3,996 5,240 5,461 4,453 1990-2025
Louisiana
27,030 26,302 15,784 24,546 36,167 31,539 1990-2025
Maryland
1,617 72 2 653 2,327 1,277 1990-2025
Michigan
31,297 4,827 2,772 2,463 4,431 3,741 1990-2025
Minnesota
292 408 58 45     1990-2025
Mississippi
10,341 7,733 10,948 18,616 26,607 19,981 1990-2025
Missouri
87 3 6 9 9 9 1990-2025
Montana
5,005 819 94 319 101 134 1990-2025
Nebraska
218 1 0   2 323 1990-2025
New Mexico
891 1,744 1,383 1,207 1,312 1,799 1990-2025
New York
8,061 3,354 440 1,182 2,995 1,061 1990-2025
Ohio
21,647 7,071 1,125 1,279 721 527 1990-2025
Oklahoma
9,045 2,302 2,068 2,740 9,023 10,736 1990-2025
Oregon
1,885 13 87 0 6 1,236 1990-2025
Pennsylvania
38,254 18,121 3,450 9,396 24,856 11,081 1990-2025
Tennessee
10 0         1997-2025
Texas
38,661 30,641 26,134 23,916 44,978 55,920 1990-2025
Utah
1,025 825 5 9 1 519 1990-2025
Virginia
663 207 334 226 517 593 1997-2025
Washington
2,423 265 1,003 578 679 1,608 1990-2025
West Virginia
21,993 3,091 268 925 1,751 362 1990-2025
Wyoming
1,752 417 30 503 2,248 2,801 1990-2025
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
92,235 31,916 5,618 13,662 33,167 14,901 2013-2025
South Central Region
97,054 77,099 58,675 76,303 129,134 126,200 2013-2025
Midwest Region
67,572 21,374 9,718 8,339 18,090 12,157 2013-2025
Mountain Region
13,621 8,935 3,871 3,293 5,137 8,869 2013-2025
Pacific Region
16,097 3,827 3,661 4,674 5,065 17,898 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