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Underground Natural Gas Storage Capacity
(Capacity in Million Cubic Feet)
Area: Period:
 Show Data By:
Data Series Area
2018 2019 2020 2021 2022 2023 View
History
Total Storage Capacity
113,761 112,972 112,987 113,465 113,537 113,549 1988-2023
Salt Caverns
0 0 0 0 0 0 1999-2023
Aquifers
82,071 80,293 80,230 80,230 80,230 80,243 1999-2023
Depleted Fields
31,690 32,679 32,757 33,235 33,307 33,307 1999-2023
Total Working Gas Capacity
33,109 32,374 32,109 32,242 32,274 32,285 2008-2023
Salt Caverns
0 0 0 0 0 0 2012-2023
Aquifers
20,140 19,304 19,241 19,241 19,241 19,253 2008-2023
Depleted Fields
12,968 13,070 12,868 13,001 13,033 13,033 2008-2023
Total Number of Existing Fields
21 23 23 23 23 23 1989-2023
Aquifers
12 12 12 12 12 12 1999-2023
Depleted Fields
9 11 11 11 11 11 1999-2023
- = 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: 4/30/2025
Next Release Date: 5/30/2025