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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
845,081 845,081 847,640 847,485 860,268 863,422 1988-2023
Salt Caverns
253,261 253,261 253,261 252,821 264,464 267,617 1999-2023
Aquifers
0 0 0 0 0 0 1999-2023
Depleted Fields
591,820 591,820 594,379 594,664 595,804 595,805 1999-2023
Total Working Gas Capacity
545,640 543,975 544,665 544,315 551,806 554,483 2008-2023
Salt Caverns
167,702 167,036 167,064 166,497 172,847 175,525 2008-2023
Aquifers
0 0 0 0 0 0 2012-2023
Depleted Fields
377,938 376,938 377,602 377,817 378,958 378,958 2008-2023
Total Number of Existing Fields
35 35 35 35 36 37 1989-2023
Salt Caverns
16 16 16 16 17 18 1999-2023
Depleted Fields
19 19 19 19 19 19 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