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Underground Natural Gas Storage Capacity
(Capacity in Million Cubic Feet)
Area: Period:
 Monthly 
 Show Data By:
Data Series Area
Sep-25 Oct-25 Nov-25 Dec-25 Jan-26 Feb-26 View
History
Total Storage Capacity
9,279,199 9,283,856 9,283,816 9,285,036 9,283,906 9,281,782 2012-2026
Total Working Gas Capacity
4,748,811 4,748,626 4,749,115 4,749,055 4,747,642 4,745,604 2013-2026
Total Number of Existing Fields
403 403 403 403 403 403 2013-2026
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: Existing fields include both active and inactive fields.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 4/30/2026
Next Release Date: 5/29/2026