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Underground Natural Gas Storage by All Operators
(Million Cubic Feet)
Data Series: Period:
 Monthly 
 Show Data By:
Data Series Area
Jan-25 Feb-25 Mar-25 Apr-25 May-25 Jun-25 View
History
U.S.
2,424,600 1,789,619 1,835,868 2,140,957 2,636,593 2,990,386 1973-2025
Alaska
26,480 24,677 24,513 25,098 26,650 28,498 2013-2025
Lower 48 States
2,398,120 1,764,943 1,811,355 2,115,859 2,609,944 2,961,888 2011-2025
Alabama
15,288 12,917 20,437 24,423 26,853 23,699 1995-2025
Arkansas
2,579 1,244 580 1,050 1,964 2,897 1990-2025
California
201,516 181,576 186,111 206,597 230,808 250,910 1990-2025
Colorado
42,377 36,366 37,281 36,304 41,194 46,472 1990-2025
Illinois
146,005 93,993 74,377 75,226 93,300 120,513 1990-2025
Indiana
16,707 11,361 9,627 10,110 12,165 14,231 1990-2025
Iowa
41,120 30,039 24,985 24,414 28,556 33,142 1990-2025
Kansas
72,018 55,867 53,398 53,016 62,965 77,733 1990-2025
Kentucky
53,561 39,858 46,690 60,077 79,100 81,829 1990-2025
Louisiana
227,377 160,970 194,936 233,107 281,128 305,182 1990-2025
Maryland
11,227 7,719 7,486 8,509 11,716 13,446 1990-2025
Michigan
335,524 213,509 204,750 270,248 363,462 437,469 1990-2025
Minnesota
1,608 1,220 928 520 462 507 1990-2025
Mississippi
79,943 69,911 95,255 115,781 126,806 121,481 1990-2025
Missouri
2,345 1,743 2,184 2,261 2,265 2,255 1990-2025
Montana
25,864 19,013 14,063 14,731 18,440 22,154 1990-2025
Nebraska
9,816 7,966 8,093 8,496 9,528 10,679 1990-2025
New Mexico
35,838 33,920 36,264 36,359 37,136 36,633 1990-2025
New York
59,646 44,919 42,090 48,830 62,910 72,481 1990-2025
Ohio
112,186 76,227 56,768 63,214 88,337 110,752 1990-2025
Oklahoma
106,461 78,156 85,232 105,460 133,071 153,862 1990-2025
Oregon
12,001 6,546 6,434 7,646 12,265 17,409 1990-2025
Pennsylvania
206,072 132,254 126,799 156,008 216,963 259,612 1990-2025
Tennessee
1,441 1,401 1,391 1,391 1,411 1,486 1997-2025
Texas
361,144 283,718 327,881 369,595 418,767 454,573 1990-2025
Utah
29,561 21,901 21,266 26,623 35,717 42,441 1990-2025
Virginia
3,945 3,567 3,549 3,872 4,141 4,346 1997-2025
Washington
16,638 11,189 12,639 16,308 18,176 20,459 1990-2025
West Virginia
110,571 74,096 57,059 77,273 123,424 149,689 1990-2025
Wyoming
57,741 51,777 52,801 58,409 66,912 73,543 1990-2025
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
503,647 338,784 293,751 357,706 507,492 610,327 2013-2025
South Central Region
864,809 662,781 777,719 902,432 1,051,554 1,139,427 2013-2025
Midwest Region
598,312 393,124 364,933 444,248 580,722 691,433 2013-2025
Mountain Region
201,197 170,943 169,769 180,923 208,927 231,923 2013-2025
Pacific Region
230,155 199,311 205,184 230,551 261,249 288,778 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: 8/29/2025
Next Release Date: 9/30/2025