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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
1,009,080 1,012,210 1,014,401 1,018,292 1,018,770 1,019,173 1988-2023
Salt Caverns
0 0 0 0 0 0 1999-2023
Aquifers
903,085 906,165 908,302 912,173 912,631 913,014 1999-2023
Depleted Fields
105,994 106,044 106,099 106,119 106,139 106,159 1999-2023
Total Working Gas Capacity
303,613 303,613 303,613 303,613 303,813 303,813 2008-2023
Salt Caverns
0 0 0 0 0 0 2012-2023
Aquifers
251,845 251,845 251,845 251,845 252,045 252,045 2008-2023
Depleted Fields
51,768 51,768 51,768 51,768 51,768 51,768 2008-2023
Total Number of Existing Fields
28 28 28 28 28 28 1989-2023
Aquifers
18 18 18 18 18 18 1999-2023
Depleted Fields
10 10 10 10 10 10 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