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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
739,063 739,703 747,223 747,223 739,213 741,135 1988-2023
Salt Caverns
218,963 218,803 226,323 226,323 218,313 220,235 1999-2023
Aquifers
0 0 0 0 0 0 1999-2023
Depleted Fields
520,100 520,900 520,900 520,900 520,900 520,900 1999-2023
Total Working Gas Capacity
449,172 446,562 450,992 461,434 454,124 455,751 2008-2023
Salt Caverns
156,193 153,583 158,013 159,923 152,613 154,240 2008-2023
Aquifers
0 0 0 0 0 0 2012-2023
Depleted Fields
292,979 292,979 292,979 301,511 301,511 301,511 2008-2023
Total Number of Existing Fields
19 19 19 19 19 19 1989-2023
Salt Caverns
11 11 11 11 11 11 1999-2023
Depleted Fields
8 8 8 8 8 8 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