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Underground Natural Gas Storage Capacity
(Capacity in Million Cubic Feet)
Area: Period:
 Show Data By:
Data Series Area
2016 2017 2018 2019 2020 2021 View
History
Total Storage Capacity
334,654 334,792 334,092 331,607 331,129 330,928 1988-2021
Salt Caverns
186,993 186,993 186,993 184,507 184,029 183,829 1999-2021
Aquifers
  0 0 0 0 0 1999-2021
Depleted Fields
147,662 147,800 147,100 147,100 147,100 147,100 1999-2021
Total Working Gas Capacity
204,713 204,713 204,013 202,366 201,994 201,856 2008-2021
Salt Caverns
135,102 135,102 135,102 133,456 133,084 132,945 2008-2021
Aquifers
  0 0 0 0 0 2012-2021
Depleted Fields
69,611 69,611 68,911 68,911 68,911 68,911 2008-2021
Total Number of Existing Fields
12 12 12 11 11 11 1989-2021
Salt Caverns
6 6 6 5 5 5 1999-2021
Depleted Fields
6 6 6 6 6 6 1999-2021
- = 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: 8/31/2023
Next Release Date: 9/29/2023