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Underground Natural Gas Storage by All Operators
(Million Cubic Feet)
Data Series: Period:
 Monthly 
 Show Data By:
Data Series Area
Oct-24 Nov-24 Dec-24 Jan-25 Feb-25 Mar-25 View
History
U.S.
3,938,399 3,914,872 3,438,005 2,425,195 1,791,133 1,838,076 1973-2025
Alaska
32,238 30,196 28,391 26,480 24,677 24,513 2013-2025
Lower 48 States
3,906,161 3,884,677 3,409,615 2,398,715 1,766,457 1,813,563 2011-2025
Alabama
23,826 25,863 25,457 15,288 12,917 20,437 1995-2025
Arkansas
6,242 5,493 4,385 2,579 1,244 580 1990-2025
California
267,000 266,574 253,813 201,516 181,576 186,111 1990-2025
Colorado
60,136 59,879 57,479 42,377 36,366 37,281 1990-2025
Illinois
256,714 256,759 211,999 146,005 94,083 74,508 1990-2025
Indiana
28,235 28,998 24,377 16,707 11,361 9,627 1990-2025
Iowa
75,162 79,321 60,363 41,120 30,039 24,985 1990-2025
Kansas
108,603 106,187 91,900 72,018 55,873 53,412 1990-2025
Kentucky
95,501 90,401 77,766 53,561 39,858 46,690 1990-2025
Louisiana
346,891 358,887 339,264 227,972 161,753 195,746 1990-2025
Maryland
17,420 17,383 16,486 11,227 7,719 7,486 1990-2025
Michigan
653,919 634,484 512,432 335,524 213,522 205,999 1990-2025
Minnesota
2,061 2,147 2,023 1,608 1,220 928 1990-2025
Mississippi
126,978 132,562 127,995 79,943 70,532 95,255 1990-2025
Missouri
2,605 2,916 2,849 2,345 1,743 2,184 1990-2025
Montana
43,724 40,051 33,873 25,864 19,013 14,063 1990-2025
Nebraska
12,262 12,122 11,758 9,816 7,966 8,093 1990-2025
New Mexico
50,099 47,225 42,366 35,838 33,920 36,264 1990-2025
New York
103,395 102,047 85,862 59,646 44,919 42,090 1990-2025
Ohio
198,094 191,967 160,509 112,186 76,227 56,768 1990-2025
Oklahoma
173,918 174,647 152,122 106,461 78,156 85,234 1990-2025
Oregon
21,083 20,854 19,233 12,001 6,546 6,434 1990-2025
Pennsylvania
381,505 364,799 308,890 206,072 132,254 126,799 1990-2025
Tennessee
1,582 1,575 1,544 1,441 1,401 1,391 1997-2025
Texas
471,529 487,899 474,410 361,144 283,718 327,882 1990-2025
Utah
53,309 55,187 46,368 29,561 21,901 21,266 1990-2025
Virginia
4,433 4,710 4,743 3,945 3,567 3,549 1997-2025
Washington
21,878 21,500 21,829 16,638 11,189 12,639 1990-2025
West Virginia
227,735 219,311 170,572 110,571 74,096 57,059 1990-2025
Wyoming
70,325 72,930 66,947 57,741 51,777 52,801 1990-2025
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
932,581 900,216 747,063 503,647 338,784 293,751 2013-2025
South Central Region
1,257,987 1,291,538 1,215,533 865,404 664,192 778,547 2013-2025
Midwest Region
1,115,779 1,096,601 893,353 598,312 393,227 366,313 2013-2025
Mountain Region
289,854 287,393 258,790 201,197 170,943 169,769 2013-2025
Pacific Region
309,960 308,928 294,875 230,155 199,311 205,184 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: 5/30/2025
Next Release Date: 6/30/2025