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Underground Natural Gas Storage Capacity
(Capacity in Million Cubic Feet)
Area: Period:
 Show Data By:
Data Series Area
Sep-25 Oct-25 Nov-25 Dec-25 Jan-26 Feb-26 View
History
Total Storage Capacity
9,364,781 9,369,438 9,369,398 9,370,618 9,369,488 9,367,364 1989-2026
Total Working Gas Capacity
4,818,716 4,818,530 4,819,020 4,818,959 4,817,547 4,815,509 2012-2026
Total Number of Existing Fields
408 408 408 408 408 408 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