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Underground Natural Gas Storage by All Operators
(Million Cubic Feet)
Data Series: Period:
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Data Series Area
2020 2021 2022 2023 2024 2025 View
History
U.S.
3,589,791 3,677,933 3,897,816 3,841,061 3,663,739 4,016,683 1935-2025
Alaska
10,938 10,885 14,639 12,662 11,635 15,344 2013-2025
Lower 48 States
3,578,854 3,667,048 3,883,178 3,828,398 3,652,104 4,001,339 2011-2025
Alabama
25,026 28,854 28,912 34,931 34,260 43,202 1968-2025
Arkansas
5,453 5,757 5,883 5,884 5,595 5,938 1967-2025
California
187,732 172,405 150,795 248,084 162,819 183,694 1967-2025
Colorado
67,332 62,575 63,453 59,573 55,110 61,094 1967-2025
Connecticut
            1973-1996
Delaware
            1967-1975
Georgia
            1974-1975
Idaho
            1974-1975
Illinois
240,000 230,330 238,039 236,501 228,342 238,141 1967-2025
Indiana
16,947 20,687 19,747 17,630 17,734 20,089 1967-2025
Iowa
65,609 67,280 63,871 64,669 65,622 61,318 1967-2025
Kansas
110,464 106,830 115,114 116,095 103,584 115,851 1967-2025
Kentucky
69,736 70,823 91,584 71,310 73,921 97,646 1967-2025
Louisiana
482,581 487,801 536,378 503,002 486,306 520,030 1967-2025
Maryland
16,392 16,922 18,263 16,043 18,278 20,192 1967-2025
Massachusetts
            1967-1975
Michigan
422,786 439,928 510,703 445,597 388,681 519,872 1967-2025
Minnesota
1,023 1,368 1,471 1,314 992 1,640 1973-2025
Mississippi
186,819 268,902 253,075 209,776 208,690 249,355 1967-2025
Missouri
1,969 2,885 2,573 1,455 1,906 2,919 1967-2025
Montana
33,342 25,903 32,515 29,758 37,497 27,242 1967-2025
Nebraska
9,551 7,919 8,042 8,717 6,551 4,010 1967-2025
New Jersey
            1967-1996
New Mexico
18,576 11,983 17,349 26,990 19,947 23,014 1967-2025
New York
78,732 85,110 79,893 78,246 74,262 80,068 1967-2025
North Carolina
            1973-1996
Ohio
162,525 161,349 163,556 154,798 151,072 158,016 1967-2025
Oklahoma
151,743 159,348 154,905 139,801 131,891 153,805 1967-2025
Oregon
14,149 21,270 21,566 21,045 15,082 19,235 1973-2025
Pennsylvania
349,145 382,943 423,387 385,221 375,661 415,236 1967-2025
Rhode Island
            1973-1996
South Carolina
            1973-1975
Tennessee
231 123 275 453 264 187 1968-2025
Texas
547,848 526,062 571,982 617,064 688,000 677,058 1967-2025
Utah
46,066 40,631 43,487 51,680 33,106 41,602 1967-2025
Virginia
8,433 9,939 9,633 8,797 8,806 7,669 1967-2025
Washington
29,618 32,076 31,917 36,093 29,744 24,776 1967-2025
West Virginia
191,604 191,681 197,094 194,187 189,075 187,048 1967-2025
Wisconsin
            1973-1973
Wyoming
37,420 27,365 27,711 43,685 39,306 41,393 1967-2025
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
806,832 847,944 891,826 837,292 817,154 868,230 2013-2025
South Central Region
1,509,935 1,583,554 1,666,250 1,626,552 1,658,326 1,765,238 2013-2025
Midwest Region
818,300 833,425 928,265 838,929 777,463 941,812 2013-2025
Mountain Region
212,288 176,374 192,812 220,403 191,517 198,355 2013-2025
Pacific Region
231,499 225,751 204,279 305,222 207,644 227,705 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: 3/31/2026
Next Release Date: 4/30/2026