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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
743,169 747,923 739,063 739,703 747,223 747,223 1988-2021
Salt Caverns
222,269 227,023 218,963 218,803 226,323 226,323 1999-2021
Aquifers
  0 0 0 0 0 1999-2021
Depleted Fields
520,900 520,900 520,100 520,900 520,900 520,900 1999-2021
Total Working Gas Capacity
454,753 456,952 449,172 446,562 450,992 461,434 2008-2021
Salt Caverns
161,774 163,973 156,193 153,583 158,013 159,923 2008-2021
Aquifers
  0 0 0 0 0 2012-2021
Depleted Fields
292,979 292,979 292,979 292,979 292,979 301,511 2008-2021
Total Number of Existing Fields
19 19 19 19 19 19 1989-2021
Salt Caverns
11 11 11 11 11 11 1999-2021
Depleted Fields
8 8 8 8 8 8 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: 10/31/2022
Next Release Date: 11/30/2022