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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.
3,411,906 3,761,119 4,174,634 3,295,030 3,668,387 4,129,494 1944-2025
Alaska
15,267 13,749 10,656 12,345 13,134 10,389 2013-2025
Lower 48 States
3,396,639 3,747,370 4,163,978 3,282,686 3,655,253 4,119,105 2011-2025
Alabama
23,286 31,310 35,191 28,376 29,720 44,885 1968-2025
Arkansas
5,418 4,797 6,658 5,406 5,203 6,038 1967-2025
California
149,418 184,290 199,235 144,914 149,663 174,627 1967-2025
Colorado
63,351 62,647 64,559 53,108 55,900 63,769 1967-2025
Connecticut
            1973-1996
Delaware
            1967-1975
Georgia
            1974-1975
Illinois
236,053 232,691 248,455 222,509 227,198 241,568 1967-2025
Indiana
17,453 17,216 23,612 14,682 18,362 19,834 1967-2025
Iowa
56,138 63,340 67,568 62,709 66,416 61,539 1967-2025
Kansas
107,190 105,903 129,482 99,915 109,462 113,305 1967-2025
Kentucky
69,593 68,037 92,493 72,749 77,731 95,269 1967-2025
Louisiana
458,746 536,673 565,499 452,935 465,180 518,300 1967-2025
Maryland
16,550 15,119 19,286 14,573 18,005 19,765 1967-2025
Massachusetts
            1967-1975
Michigan
400,748 477,696 546,234 346,619 438,758 581,428 1967-2025
Minnesota
1,075 1,313 1,560 1,309 1,217 1,916 1973-2025
Mississippi
186,250 264,277 279,570 192,695 199,406 256,202 1967-2025
Missouri
2,283 2,461 3,238 767 1,867 3,198 1967-2025
Montana
26,132 28,106 30,784 24,535 28,259 32,363 1967-2025
Nebraska
9,686 7,578 9,961 6,347 4,713 4,746 1967-2025
New Jersey
            1967-1996
New Mexico
12,896 28,448 19,964 9,488 16,888 20,835 1967-2025
New York
78,415 86,561 85,015 63,210 80,543 81,400 1967-2025
North Carolina
            1974-1996
Ohio
152,327 160,023 170,540 142,129 147,208 167,595 1967-2025
Oklahoma
160,426 142,486 161,885 123,080 132,990 164,486 1967-2025
Oregon
14,354 21,120 22,794 15,814 14,519 18,284 1989-2025
Pennsylvania
356,567 389,999 437,051 347,246 411,308 421,068 1967-2025
Rhode Island
            1973-1996
South Carolina
            1973-1975
Tennessee
174 176 385 193 132 212 1968-2025
Texas
496,623 518,695 589,638 570,421 675,106 688,050 1967-2025
Utah
44,313 38,868 51,999 36,243 30,979 37,965 1967-2025
Virginia
9,062 9,875 10,294 8,114 8,463 7,831 1967-2025
Washington
30,341 33,353 34,641 29,412 29,621 25,872 1967-2025
West Virginia
185,693 181,165 225,289 172,838 188,112 210,648 1967-2025
Wisconsin
            1974-1975
Wyoming
26,078 33,146 31,121 20,347 22,323 36,106 1967-2025
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
798,615 842,742 947,475 748,110 853,639 908,307 2013-2025
South Central Region
1,437,939 1,604,140 1,767,924 1,472,829 1,617,067 1,791,266 2013-2025
Midwest Region
783,516 862,930 983,546 721,538 831,682 1,004,964 2013-2025
Mountain Region
182,456 198,794 208,689 150,069 159,062 195,784 2013-2025
Pacific Region
194,114 238,764 256,671 190,140 193,803 218,783 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