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Underground Natural Gas Storage by All Operators
(Million Cubic Feet)
Data Series: Period:
 Show Data By:
Data Series Area
Feb-25 Mar-25 Apr-25 May-25 Jun-25 Jul-25 View
History
U.S.
635,824 -48,270 -304,265 -497,262 -355,008 -151,371 1973-2025
Alaska
1,804 164 -590 -1,541 -1,858 -2,361 2013-2025
Lower 48 States
634,020 -48,434 -303,675 -495,720 -353,150 -149,009 2011-2025
Alabama
2,371 -7,521 -3,986 -2,429 3,155 6,425 1993-2025
Arkansas
1,335 663 -470 -914 -933 -1,000 1990-2025
California
19,971 -4,505 -20,451 -24,182 -20,075 -13,736 1990-2025
Colorado
6,010 -924 1,006 -4,890 -5,307 -4,778 1990-2025
Illinois
52,012 19,620 -18 -18,164 -28,429 -20,061 1990-2025
Indiana
5,337 1,733 -487 -2,062 -2,076 -2,484 1990-2025
Iowa
11,081 5,053 571 -4,141 -4,587 -175 1990-2025
Kansas
16,152 2,469 381 -9,949 -14,767 -9,123 1990-2025
Kentucky
13,188 -6,832 -13,387 -19,037 -2,728 853 1990-2025
Louisiana
67,179 -35,040 -37,557 -48,632 -23,584 -3,317 1990-2025
Maryland
3,508 228 -1,023 -3,207 -1,730 692 1990-2025
Michigan
122,015 8,759 -65,499 -93,225 -73,754 -51,081 1990-2025
Minnesota
388 292 408 58 45 -371 1990-2025
Mississippi
10,024 -25,502 -20,510 -11,053 5,174 16,453 1990-2025
Missouri
602 -441 -76 -4 9 -6 1990-2025
Montana
6,851 4,949 -668 -3,709 -3,715 -4,379 1990-2025
Nebraska
1,731 -99 -417 -1,036 -1,154 -290 1990-2025
New Mexico
1,918 -2,344 -95 -777 502 -546 1990-2025
New York
15,086 3,185 -6,801 -14,561 -9,745 -2,385 1990-2025
Ohio
35,964 18,622 -6,515 -25,123 -22,415 -19,196 1990-2025
Oklahoma
28,304 -7,077 -20,230 -27,623 -20,792 -39 1990-2025
Oregon
5,455 103 -1,218 -4,642 -5,170 -1,783 1990-2025
Pennsylvania
73,909 5,515 -29,147 -60,948 -42,622 -8,333 1990-2025
Tennessee
40 10 0 -20 -75 -93 1998-2025
Texas
77,543 -43,846 -42,042 -49,558 -36,434 -7,225 1990-2025
Utah
7,660 635 -5,357 -9,094 -6,724 -5,307 1990-2025
Virginia
374 17 -324 -269 -205 -146 1995-2025
Washington
5,449 -1,450 -3,669 -1,869 -2,282 -965 1990-2025
West Virginia
36,518 16,315 -20,404 -46,178 -26,129 -14,202 1990-2025
Wyoming
6,042 -1,024 -5,692 -8,482 -6,603 -2,410 1990-2025
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
165,360 43,882 -64,213 -150,285 -102,846 -43,571 2013-2025
South Central Region
202,908 -115,852 -124,413 -150,158 -88,181 2,173 2013-2025
Midwest Region
204,664 28,194 -78,488 -136,596 -111,594 -73,418 2013-2025
Mountain Region
30,213 1,194 -11,222 -27,987 -23,000 -17,710 2013-2025
Pacific Region
30,875 -5,851 -25,338 -30,693 -27,528 -16,484 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: 9/30/2025
Next Release Date: 10/31/2025