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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
9,500 8,960 8,960 8,960 8,960 8,960 1998-2023
Salt Caverns
6,200 5,660 5,660 5,660 5,660 5,660 1999-2023
Aquifers
0 0 0 0 0 0 1999-2023
Depleted Fields
3,300 3,300 3,300 3,300 3,300 3,300 1999-2023
Total Working Gas Capacity
5,400 4,930 4,930 4,930 4,930 4,930 2008-2023
Salt Caverns
4,000 3,530 3,530 3,530 3,530 3,530 2008-2023
Aquifers
0 0 0 0 0 0 2012-2023
Depleted Fields
1,400 1,400 1,400 1,400 1,400 1,400 2009-2023
Total Number of Existing Fields
2 2 2 2 2 2 1998-2023
Salt Caverns
1 1 1 1 1 1 1999-2023
Depleted Fields
1 1 1 1 1 1 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