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U.S. Underground Natural Gas Storage by Storage Type
(Million Cubic Feet)
Period:
Data Series
May-25 Jun-25 Jul-25 Aug-25 Sep-25 Oct-25 View
History
All Operators
             
Natural Gas in Storage
7,126,078 7,480,808 7,633,704 7,819,635 8,127,744 8,433,997 1973-2025
Base Gas
4,489,486 4,490,679 4,489,857 4,491,101 4,490,948 4,491,820 1973-2025
Working Gas
2,636,591 2,990,129 3,143,846 3,328,534 3,636,795 3,942,177 1973-2025
Net Withdrawals
-497,260 -355,004 -151,128 -185,877 -309,181 -307,438 1973-2025
Injections
578,952 461,472 341,969 366,021 416,944 424,043 1973-2025
Withdrawals
81,692 106,468 190,841 180,144 107,763 116,605 1973-2025
Salt Cavern Storage Fields
             
Natural Gas in Storage
563,824 558,791 518,741 498,306 514,035 567,717 1994-2025
Base Gas
218,136 218,049 219,129 220,105 220,201 220,720 1994-2025
Working Gas
345,688 340,743 299,611 278,201 293,835 346,997 1994-2025
Net Withdrawals
-51,657 4,532 40,119 20,608 -16,102 -53,929 1994-2025
Injections
93,192 59,494 50,606 59,606 72,140 101,161 1994-2025
Withdrawals
41,535 64,027 90,725 80,214 56,038 47,232 1994-2025
Nonsalt Cavern Storage
             
Natural Gas in Storage
6,562,254 6,922,017 7,114,963 7,321,329 7,613,708 7,866,280 1994-2025
Base Gas
4,271,351 4,272,631 4,270,728 4,270,997 4,270,748 4,271,100 1994-2025
Working Gas
2,290,903 2,649,386 2,844,235 3,050,333 3,342,961 3,595,180 1994-2025
Net Withdrawals
-445,603 -359,537 -191,247 -206,485 -293,079 -253,509 1994-2025
Injections
485,760 401,978 291,363 306,415 344,804 322,882 1994-2025
Withdrawals
40,157 42,441 100,116 99,930 51,725 69,373 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: 12/31/2025
Next Release Date: 1/30/2026