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Underground Natural Gas Storage by All Operators
(Million Cubic Feet)
Data Series: Period:
 Show Data By:
Data Series Area
Feb-25 Mar-25 Apr-25 May-25 Jun-25 Jul-25 View
History
U.S.
771,688 287,318 143,847 81,692 106,468 190,559 1973-2025
Alaska
1,977 738 696 149 196 248 2013-2025
Lower 48 States
769,711 286,580 143,151 81,543 106,272 190,310 2011-2025
Alabama
4,587 375 796 1,593 5,070 7,094 1994-2025
Arkansas
1,377 737 113       1990-2025
California
27,902 11,789 3,549 2,571 4,096 4,381 1990-2025
Colorado
9,920 4,729 5,130 2,359 1,255 1,473 1990-2025
Illinois
55,681 24,475 12,059 2,472 344 6,978 1990-2025
Indiana
5,337 1,892 406 6 5 2 1990-2025
Iowa
11,087 5,057 903 408 233 1,208 1990-2025
Kansas
21,244 10,865 9,212 2,148 1,414 5,266 1990-2025
Kentucky
15,561 4,463 2,768 3,996 5,240 5,461 1990-2025
Louisiana
93,922 27,030 26,302 15,784 24,546 36,167 1990-2025
Maryland
4,231 1,617 72 2 653 2,327 1990-2025
Michigan
127,434 31,297 4,827 2,772 2,463 4,431 1990-2025
Minnesota
388 292 408 58 45   1990-2025
Mississippi
31,865 10,341 7,733 10,948 18,616 26,607 1990-2025
Missouri
1,159 87 3 6 9 9 1990-2025
Montana
6,862 5,005 819 94 319 101 1990-2025
Nebraska
1,811 218 1 0   2 1990-2025
New Mexico
2,857 891 1,744 1,383 1,207 1,312 1990-2025
New York
16,261 8,061 3,354 440 1,182 2,995 1990-2025
Ohio
36,566 21,647 7,071 1,125 1,279 721 1990-2025
Oklahoma
32,842 9,045 2,302 2,068 2,740 9,023 1990-2025
Oregon
5,459 1,885 13 87 0 6 1990-2025
Pennsylvania
81,270 38,254 18,121 3,450 9,396 24,856 1990-2025
Tennessee
40 10 0       1997-2025
Texas
113,734 38,661 30,641 26,134 23,916 44,696 1990-2025
Utah
7,973 1,025 825 5 9 1 1990-2025
Virginia
1,451 663 207 334 226 517 1997-2025
Washington
6,340 2,423 265 1,003 578 679 1990-2025
West Virginia
38,275 21,993 3,091 268 925 1,751 1990-2025
Wyoming
6,275 1,752 417 30 503 2,248 1990-2025
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
178,055 92,235 31,916 5,618 13,662 33,167 2013-2025
South Central Region
299,570 97,054 77,099 58,675 76,303 128,852 2013-2025
Midwest Region
216,687 67,572 21,374 9,718 8,339 18,090 2013-2025
Mountain Region
35,698 13,621 8,935 3,871 3,293 5,137 2013-2025
Pacific Region
39,701 16,097 3,827 3,661 4,674 5,065 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: 9/30/2025
Next Release Date: 10/31/2025