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Underground Natural Gas Storage Capacity
(Capacity in Million Cubic Feet)
Area: Period:
 Show Data By:
Data Series Area
2012 2013 2014 2015 2016 2017 View
History
Total Storage Capacity
8,991,335 9,172,951 9,233,352 9,230,840 9,239,042 9,260,590 1988-2017
Salt Caverns
715,821 654,266 702,548 709,380 712,519 715,847 1999-2017
Aquifers
1,237,269 1,443,769 1,445,031 1,445,639 1,446,649 1,377,293 1999-2017
Depleted Fields
7,038,245 7,074,916 7,085,773 7,075,821 7,079,874 7,167,450 1999-2017
Total Working Gas Capacity
4,576,356 4,748,636 4,785,669 4,800,671 4,815,970 4,851,452 2008-2017
Salt Caverns
488,268 455,729 488,698 493,976 499,233 500,596 2008-2017
Aquifers
367,108 453,054 452,044 452,287 452,467 413,475 2008-2017
Depleted Fields
3,720,980 3,839,852 3,844,927 3,854,408 3,864,269 3,937,382 2008-2017
Total Number of Existing Fields
414 419 418 415 415 414 1989-2017
Salt Caverns
40 40 39 39 39 39 1999-2017
Aquifers
44 47 46 47 47 47 1999-2017
Depleted Fields
330 332 333 329 329 328 1999-2017
- = 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: 6/28/2019
Next Release Date: 7/31/2019