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Underground Natural Gas Storage Capacity
(Capacity in Million Cubic Feet)
Area: Period:
 Monthly 
 Show Data By:
Data Series Area
Feb-25 Mar-25 Apr-25 May-25 Jun-25 Jul-25 View
History
Total Storage Capacity
2,687,009 2,686,975 2,686,943 2,686,909 2,687,244 2,697,309 2013-2025
Total Working Gas Capacity
1,570,341 1,570,316 1,570,290 1,570,265 1,570,769 1,580,843 2013-2025
Total Number of Existing Fields
101 101 101 101 101 101 2013-2025
- = 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: 9/30/2025
Next Release Date: 10/31/2025