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Underground Natural Gas Storage by All Operators
(Million Cubic Feet)
Data Series: Period:
 Monthly 
 Show Data By:
Data Series Area
Dec-24 Jan-25 Feb-25 Mar-25 Apr-25 May-25 View
History
U.S.
3,438,005 2,424,600 1,789,619 1,835,868 2,140,957 2,636,593 1973-2025
Alaska
28,391 26,480 24,677 24,513 25,098 26,650 2013-2025
Lower 48 States
3,409,615 2,398,120 1,764,943 1,811,355 2,115,859 2,609,944 2011-2025
Alabama
25,457 15,288 12,917 20,437 24,423 26,853 1995-2025
Arkansas
4,385 2,579 1,244 580 1,050 1,964 1990-2025
California
253,813 201,516 181,576 186,111 206,597 230,808 1990-2025
Colorado
57,479 42,377 36,366 37,281 36,304 41,194 1990-2025
Illinois
211,999 146,005 93,993 74,377 75,226 93,300 1990-2025
Indiana
24,377 16,707 11,361 9,627 10,110 12,165 1990-2025
Iowa
60,363 41,120 30,039 24,985 24,414 28,556 1990-2025
Kansas
91,900 72,018 55,867 53,398 53,016 62,965 1990-2025
Kentucky
77,766 53,561 39,858 46,690 60,077 79,100 1990-2025
Louisiana
339,264 227,377 160,970 194,936 233,107 281,128 1990-2025
Maryland
16,486 11,227 7,719 7,486 8,509 11,716 1990-2025
Michigan
512,432 335,524 213,509 204,750 270,248 363,462 1990-2025
Minnesota
2,023 1,608 1,220 928 520 462 1990-2025
Mississippi
127,995 79,943 69,911 95,255 115,781 126,806 1990-2025
Missouri
2,849 2,345 1,743 2,184 2,261 2,265 1990-2025
Montana
33,873 25,864 19,013 14,063 14,731 18,440 1990-2025
Nebraska
11,758 9,816 7,966 8,093 8,496 9,528 1990-2025
New Mexico
42,366 35,838 33,920 36,264 36,359 37,136 1990-2025
New York
85,862 59,646 44,919 42,090 48,830 62,910 1990-2025
Ohio
160,509 112,186 76,227 56,768 63,214 88,337 1990-2025
Oklahoma
152,122 106,461 78,156 85,232 105,460 133,071 1990-2025
Oregon
19,233 12,001 6,546 6,434 7,646 12,265 1990-2025
Pennsylvania
308,890 206,072 132,254 126,799 156,008 216,963 1990-2025
Tennessee
1,544 1,441 1,401 1,391 1,391 1,411 1997-2025
Texas
474,410 361,144 283,718 327,881 369,595 418,767 1990-2025
Utah
46,368 29,561 21,901 21,266 26,623 35,717 1990-2025
Virginia
4,743 3,945 3,567 3,549 3,872 4,141 1997-2025
Washington
21,829 16,638 11,189 12,639 16,308 18,176 1990-2025
West Virginia
170,572 110,571 74,096 57,059 77,273 123,424 1990-2025
Wyoming
66,947 57,741 51,777 52,801 58,409 66,912 1990-2025
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
747,063 503,647 338,784 293,751 357,706 507,492 2013-2025
South Central Region
1,215,533 864,809 662,781 777,719 902,432 1,051,554 2013-2025
Midwest Region
893,353 598,312 393,124 364,933 444,248 580,722 2013-2025
Mountain Region
258,790 201,197 170,943 169,769 180,923 208,927 2013-2025
Pacific Region
294,875 230,155 199,311 205,184 230,551 261,249 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: 7/31/2025
Next Release Date: 8/29/2025