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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.
-0.6 -7.2 -23.8 -20.4 -16.4 -9.8 1973-2025
Alaska
-5.2 -2.1 -2.3 1.4 3.5 4.1 2013-2025
Lower 48 States
-0.5 -7.2 -24.1 -20.6 -16.6 -9.9 2011-2025
Alabama
21.7 0.9 -37.8 -14.9 6.4 20.3 1996-2025
Arkansas
9.8 8.7 -27.9 -47.3 -33.7 -22.0 1991-2025
California
5.9 2.6 -6.6 -8.1 -4.5 -2.2 1991-2025
Colorado
-0.9 -11.1 -9.5 14.2 9.9 5.2 1991-2025
Illinois
-1.4 -2.2 -7.5 2.7 10.7 9.6 1991-2025
Indiana
-3.7 -9.9 -21.8 -28.2 -29.1 -19.2 1991-2025
Iowa
-1.3 -0.6 3.0 11.6 14.8 22.5 1991-2025
Kansas
-5.9 -10.5 -30.7 -31.9 -33.3 -25.4 1991-2025
Kentucky
-5.0 -11.9 -29.5 -18.1 -17.1 -5.1 1991-2025
Louisiana
4.0 -6.8 -37.8 -29.5 -21.2 -10.3 1991-2025
Maryland
1.6 -7.7 -29.5 -33.8 -24.3 -3.6 1991-2025
Michigan
-8.6 -19.0 -41.5 -39.3 -32.1 -23.3 1991-2025
Minnesota
-4.3 -5.7 -26.0 -16.5 -49.9 -55.2 1991-2025
Mississippi
8.1 -9.3 -24.5 -1.8 9.0 16.2 1991-2025
Missouri
1.4 17.7 -26.3 -6.3 -2.7 -2.4 1991-2025
Montana
30.2 37.8 41.5 49.6 12.6 -3.0 1991-2025
Nebraska
17.7 26.1 12.9 11.0 -0.7 0.1 1991-2025
New Mexico
7.8 0.3 -7.9 -12.1 -20.4 -21.5 1991-2025
New York
-6.8 -14.7 -18.7 -10.4 -5.3 -1.4 1991-2025
Ohio
1.8 -1.5 -8.6 -17.5 -24.9 -17.6 1991-2025
Oklahoma
-0.9 -6.8 -27.9 -23.2 -14.2 -6.6 1991-2025
Oregon
1.1 -8.2 -38.6 -48.6 -43.9 -28.0 1990-2025
Pennsylvania
-10.3 -19.0 -30.0 -27.3 -25.0 -17.1 1991-2025
Tennessee
8.8 4.0 1.8 1.1 -2.2 -5.6 1997-2025
Texas
2.8 -1.7 -25.3 -21.8 -17.6 -10.7 1991-2025
Utah
4.7 -7.0 -29.9 -37.3 -29.5 -19.3 1991-2025
Virginia
7.4 9.1 -2.9 5.6 13.7 13.0 1997-2025
Washington
0.4 -3.8 -17.9 -18.2 -0.7 -13.6 1991-2025
West Virginia
-0.6 -5.8 -7.0 -10.7 -14.4 -5.5 1991-2025
Wyoming
33.9 33.5 29.4 21.9 19.3 19.0 1991-2025
AGA Producing Region
            1996-2014
AGA Eastern Consuming Region
            1996-2014
AGA Western Consuming Region
            1996-2014
East Region
-5.00 -11.80 -19.70 -20.30 -20.30 -12.40 2015-2025
South Central Region
2.80 -5.10 -29.70 -22.80 -16.30 -8.00 2015-2025
Midwest Region
-6.00 -13.20 -31.30 -28.10 -23.20 -15.30 2015-2025
Mountain Region
13.70 8.70 1.30 1.20 -3.30 -3.00 2015-2025
Pacific Region
5.20 1.50 -8.90 -11.00 -6.40 -4.70 2015-2025
- = 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