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U.S. Underground Natural Gas Storage by Storage Type
(Million Cubic Feet)
Period:
Data Series
Jun-25 Jul-25 Aug-25 Sep-25 Oct-25 Nov-25 View
History
All Operators
             
Natural Gas in Storage
7,480,808 7,633,704 7,819,635 8,127,861 8,434,270 8,400,889 1973-2025
Base Gas
4,490,679 4,489,857 4,491,101 4,490,948 4,492,155 4,490,215 1973-2025
Working Gas
2,990,129 3,143,846 3,328,534 3,636,912 3,942,115 3,910,674 1973-2025
Net Withdrawals
-355,004 -151,128 -185,877 -309,270 -307,724 30,954 1973-2025
Injections
461,472 341,969 366,021 417,302 424,205 244,890 1973-2025
Withdrawals
106,468 190,841 180,144 108,033 116,481 275,844 1973-2025
Salt Cavern Storage Fields
             
Natural Gas in Storage
558,791 518,741 498,306 514,152 567,990 601,508 1994-2025
Base Gas
218,049 219,129 220,105 220,201 220,720 218,981 1994-2025
Working Gas
340,743 299,611 278,201 293,951 347,270 382,527 1994-2025
Net Withdrawals
4,532 40,119 20,608 -16,218 -54,216 -33,950 1994-2025
Injections
59,494 50,606 59,606 72,499 101,324 81,086 1994-2025
Withdrawals
64,027 90,725 80,214 56,280 47,108 47,136 1994-2025
Nonsalt Cavern Storage
             
Natural Gas in Storage
6,922,017 7,114,963 7,321,329 7,613,708 7,866,280 7,799,381 1994-2025
Base Gas
4,272,631 4,270,728 4,270,997 4,270,748 4,271,435 4,271,234 1994-2025
Working Gas
2,649,386 2,844,235 3,050,333 3,342,961 3,594,845 3,528,147 1994-2025
Net Withdrawals
-359,537 -191,247 -206,485 -293,051 -253,509 64,904 1994-2025
Injections
401,978 291,363 306,415 344,804 322,882 163,804 1994-2025
Withdrawals
42,441 100,116 99,930 51,752 69,373 228,708 1994-2025
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: Positive net withdrawals indicate the volume of withdrawals in excess of injections. Negative net withdrawals indicate the volume of injections in excess of withdrawals.

  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 2/6/2026
Next Release Date: 2/27/2026