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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-25 Jan-26 Feb-26 Mar-26 Apr-26 May-26 View
History
U.S.
-3.9 -0.8 6.5 4.0 3.3 0.1 1973-2026
Alaska
17.4 17.0 19.9 13.3 12.9 12.6 2013-2026
Lower 48 States
-4.1 -1.0 6.3 3.8 3.2 -0.1 2011-2026
Alabama
-6.7 -9.7 -9.1 -15.3 -6.4 -7.5 1996-2026
Arkansas
-2.3 2.3 41.8 145.3 84.2 36.7 1991-2026
California
3.7 19.2 27.9 25.5 19.4 14.5 1991-2026
Colorado
-23.4 -19.4 -9.5 -4.4 -23.7 -29.8 1991-2026
Illinois
-1.3 -3.1 2.7 2.0 2.8 8.4 1991-2026
Indiana
1.2 7.0 19.4 25.3 23.0 9.8 1991-2026
Iowa
-0.4 1.7 2.6 3.1 3.3 9.9 1991-2026
Kansas
2.8 -2.6 12.5 11.3 12.0 -3.7 1991-2026
Kentucky
2.2 2.5 4.3 7.0 4.0 -0.9 1991-2026
Louisiana
-0.7 3.4 5.2 -2.4 -4.9 -3.0 1991-2026
Maryland
1.5 4.0 -0.6 -22.7 -27.7 -36.3 1991-2026
Michigan
-12.1 -11.0 -5.3 -10.7 -3.0 -3.6 1991-2026
Minnesota
-21.6 -35.9 -36.2 -65.0 -70.6 -58.7 1991-2026
Mississippi
-5.9 -0.9 -4.3 -9.6 -9.1 -9.9 1991-2026
Missouri
-11.0 -43.7 25.3 13.2 9.3 5.1 1991-2026
Montana
-15.1 -18.9 -16.4 -10.9 6.5 9.3 1991-2026
Nebraska
-7.0 -7.7 2.3 1.1 0.9 -4.9 1991-2026
New Mexico
3.3 12.9 21.7 19.9 27.6 24.4 1991-2026
New York
-1.6 4.7 -1.0 -17.2 -12.2 -9.2 1991-2026
Ohio
-6.5 -4.0 0.3 3.7 7.9 1.9 1991-2026
Oklahoma
-5.7 0.8 18.9 16.0 9.7 0.4 1991-2026
Oregon
4.3 26.4 85.4 112.5 87.9 44.7 1990-2026
Pennsylvania
-1.8 -0.6 0 2.0 7.8 2.0 1991-2026
Tennessee
-1.6 -0.3 -0.1 2.5 8.1 12.5 1997-2026
Texas
-3.3 -3.1 10.8 5.0 0.9 -4.3 1991-2026
Utah
7.8 21.9 44.7 65.7 51.1 33.6 1991-2026
Virginia
-3.7 -14.8 -2.5 -14.1 -11.1 -11.2 1997-2026
Washington
-5.0 0.3 20.5 -3.0 -16.7 5.9 1991-2026
West Virginia
-14.3 -18.0 -26.1 -24.4 -5.2 -4.0 1991-2026
Wyoming
8.0 10.0 15.8 18.8 11.2 2.1 1991-2026
AGA Producing Region
            1996-2014
AGA Eastern Consuming Region
            1996-2014
AGA Western Consuming Region
            1996-2014
East Region
-5.60 -4.60 -5.80 -6.40 1.20 -1.90 2015-2026
South Central Region
-2.70 -0.80 8.60 2.50 -0.30 -4.00 2015-2026
Midwest Region
-7.20 -6.70 -1.00 -3.90 -0.10 -0.30 2015-2026
Mountain Region
-3.50 1.50 11.10 16.50 12.50 5.50 2015-2026
Pacific Region
3.10 18.20 29.40 26.50 19.10 15.30 2015-2026
- = 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: 7/31/2026
Next Release Date: 8/31/2026