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Underground Natural Gas Storage Capacity
(Capacity in Million Cubic Feet)
Area: Period:
 Show Data By:
Data Series Area
2014 2015 2016 2017 2018 2019 View
History
Total Storage Capacity
9,233,352 9,230,840 9,239,042 9,260,590 9,240,542 9,231,237 1988-2019
Salt Caverns
702,548 709,380 712,519 715,847 701,690 698,505 1999-2019
Aquifers
1,445,031 1,445,639 1,446,649 1,377,293 1,369,538 1,370,840 1999-2019
Depleted Fields
7,085,773 7,075,821 7,079,874 7,167,450 7,169,314 7,161,892 1999-2019
Total Working Gas Capacity
4,785,669 4,800,671 4,815,970 4,851,452 4,840,158 4,822,109 2008-2019
Salt Caverns
488,698 493,976 499,233 500,596 488,557 483,165 2008-2019
Aquifers
452,044 452,287 452,467 413,475 404,646 403,810 2008-2019
Depleted Fields
3,844,927 3,854,408 3,864,269 3,937,382 3,946,955 3,935,134 2008-2019
Total Number of Existing Fields
418 415 415 414 410 412 1989-2019
Salt Caverns
39 39 39 39 38 37 1999-2019
Aquifers
46 47 47 47 47 47 1999-2019
Depleted Fields
333 329 329 328 325 328 1999-2019
- = 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: 6/30/2021
Next Release Date: 7/30/2021