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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
530,837 531,706 531,706 531,706 533,175 533,175 1988-2023
Salt Caverns
0 0 0 0 0 0 1999-2023
Aquifers
200 200 200 200 200 200 2015-2023
Depleted Fields
530,637 531,506 531,506 531,506 532,975 532,975 1999-2023
Total Working Gas Capacity
268,626 268,803 268,803 268,803 269,603 267,508 2008-2023
Salt Caverns
0 0 0 0 0 0 2012-2023
Aquifers
66 66 66 66 66 66 2015-2023
Depleted Fields
268,560 268,737 268,737 268,737 269,537 267,442 2008-2023
Total Number of Existing Fields
31 31 31 31 31 31 1989-2023
Aquifers
1 1 1 1 1 1 2015-2023
Depleted Fields
30 30 30 30 30 30 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