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Underground Natural Gas Storage by All Operators
(Million Cubic Feet)
Data Series: Period:
 Monthly 
 Show Data By:
Data Series Area
May-25 Jun-25 Jul-25 Aug-25 Sep-25 Oct-25 View
History
U.S.
4,489,486 4,490,679 4,489,857 4,491,101 4,490,948 4,491,820 1973-2025
Alaska
14,197 14,197 14,197 14,197 14,197 14,197 2013-2025
Lower 48 States
4,475,289 4,476,482 4,475,660 4,476,904 4,476,751 4,477,623 2011-2025
Alabama
10,450 10,450 10,450 10,450 10,450 10,450 1995-2025
Arkansas
13,078 13,078 13,078 13,078 13,078 13,078 1990-2025
California
281,003 281,003 281,003 281,003 281,003 281,003 1990-2025
Colorado
60,982 60,982 60,982 60,982 60,982 60,982 1990-2025
Illinois
716,298 717,361 715,052 715,044 715,170 715,387 1990-2025
Indiana
81,264 81,264 81,264 81,264 81,264 81,264 1990-2025
Iowa
197,881 197,881 197,881 197,881 197,881 197,881 1990-2025
Kansas
163,793 163,793 163,793 163,793 163,793 163,793 1990-2025
Kentucky
111,826 111,826 111,826 111,826 111,826 111,826 1990-2025
Louisiana
297,138 296,951 297,177 298,099 298,126 297,995 1990-2025
Maryland
45,677 45,677 45,677 45,677 45,677 45,677 1990-2025
Michigan
386,411 386,411 386,411 386,411 386,411 386,883 1990-2025
Minnesota
4,848 4,848 4,848 4,848 4,848 4,848 1990-2025
Mississippi
120,482 120,636 120,646 120,645 120,655 120,634 1990-2025
Missouri
10,189 10,189 10,189 10,189 10,189 10,189 1990-2025
Montana
182,520 182,520 182,520 182,520 182,520 182,520 1990-2025
Nebraska
22,197 22,197 22,197 22,197 22,197 22,197 1990-2025
New Mexico
29,362 29,362 29,362 29,362 29,362 29,362 1990-2025
New York
116,656 116,927 117,314 117,525 117,171 116,842 1990-2025
Ohio
335,341 335,341 335,341 335,341 335,341 335,341 1990-2025
Oklahoma
169,387 169,387 169,387 169,387 169,387 169,387 1990-2025
Oregon
14,909 14,909 14,909 14,909 14,909 14,909 1990-2025
Pennsylvania
336,546 336,518 336,574 336,673 336,661 336,652 1990-2025
Tennessee
878 878 878 878 878 878 1997-2025
Texas
319,100 319,046 319,879 319,924 319,971 320,641 1990-2025
Utah
69,507 69,507 69,507 69,507 69,507 69,507 1990-2025
Virginia
4,030 4,030 4,030 4,030 4,030 4,030 1997-2025
Washington
22,300 22,300 22,300 22,300 22,300 22,300 1990-2025
West Virginia
268,902 268,905 268,908 268,911 268,914 268,917 1990-2025
Wyoming
82,333 82,305 82,277 82,250 82,250 82,250 1990-2025
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
1,107,153 1,107,399 1,107,844 1,108,157 1,107,794 1,107,460 2013-2025
South Central Region
1,093,427 1,093,340 1,094,410 1,095,375 1,095,460 1,095,977 2013-2025
Midwest Region
1,509,595 1,510,658 1,508,349 1,508,341 1,508,467 1,509,156 2013-2025
Mountain Region
446,902 446,873 446,845 446,819 446,819 446,819 2013-2025
Pacific Region
318,212 318,212 318,212 318,212 318,212 318,212 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: 12/31/2025
Next Release Date: 1/30/2026