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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
9,239,042 9,260,590 9,240,542 9,231,237 9,259,491 9,264,867 1988-2021
Salt Caverns
712,519 715,847 701,690 698,505 705,547 704,906 1999-2021
Aquifers
1,446,649 1,377,293 1,369,538 1,370,840 1,372,914 1,376,785 1999-2021
Depleted Fields
7,079,874 7,167,450 7,169,314 7,161,892 7,181,030 7,183,176 1999-2021
Total Working Gas Capacity
4,815,970 4,851,452 4,840,158 4,822,109 4,844,737 4,804,849 2008-2021
Salt Caverns
499,233 500,596 488,557 483,165 487,250 488,456 2008-2021
Aquifers
452,467 413,475 404,646 403,810 403,747 403,747 2008-2021
Depleted Fields
3,864,269 3,937,382 3,946,955 3,935,134 3,953,740 3,912,646 2008-2021
Total Number of Existing Fields
415 414 410 412 412 412 1989-2021
Salt Caverns
39 39 38 37 37 37 1999-2021
Aquifers
47 47 47 47 47 47 1999-2021
Depleted Fields
329 328 325 328 328 328 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: 2/28/2023
Next Release Date: 3/31/2023