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Underground Natural Gas Storage Capacity
(Capacity in Million Cubic Feet)
Area: Period:
 Show Data By:
Data Series Area
Feb-25 Mar-25 Apr-25 May-25 Jun-25 Jul-25 View
History
Total Storage Capacity
9,352,337 9,352,303 9,352,271 9,352,237 9,352,572 9,360,337 1989-2025
Total Working Gas Capacity
4,816,515 4,814,802 4,814,633 4,814,607 4,815,108 4,825,179 2012-2025
Total Number of Existing Fields
408 408 408 408 408 408 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