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Underground Natural Gas Storage Capacity
(Million Cubic Feet)
Data Series: Period:
 Show Data By:
Data Series Area
2019 2020 2021 2022 2023 2024 View
History
U.S.
9,231,237 9,259,491 9,264,867 9,268,661 9,278,223 9,319,291 1988-2024
Alaska
83,592 83,592 83,592 83,592 83,592 85,582 2013-2024
Alabama
43,600 43,600 43,600 43,600 43,600 43,600 1995-2024
Arkansas
21,774 21,972 21,972 21,972 21,972 21,972 1988-2024
California
604,048 604,048 604,048 604,048 604,048 604,048 1988-2024
Colorado
141,407 141,407 141,407 141,407 141,407 141,407 1988-2024
Illinois
1,012,210 1,014,401 1,018,292 1,018,770 1,019,173 1,019,823 1988-2024
Indiana
112,972 112,987 113,465 113,537 113,549 113,549 1988-2024
Iowa
288,210 288,210 288,210 288,210 288,210 288,210 1988-2024
Kansas
282,986 282,986 282,986 282,986 282,986 282,986 1988-2024
Kentucky
221,695 221,695 221,695 221,695 221,695 222,230 1988-2024
Louisiana
739,703 747,223 747,223 739,213 741,135 742,784 1988-2024
Maryland
64,000 64,000 64,000 64,000 64,000 64,000 1988-2024
Michigan
1,071,608 1,071,608 1,071,608 1,071,580 1,076,066 1,076,066 1988-2024
Minnesota
7,000 7,000 7,000 7,000 7,000 7,000 1988-2024
Mississippi
331,607 331,129 330,928 330,504 330,099 329,698 1988-2024
Missouri
13,845 13,845 13,845 13,845 13,845 13,845 1988-2024
Montana
376,225 376,225 376,225 376,225 376,225 376,225 1988-2024
Nebraska
34,850 34,850 34,850 34,850 34,850 34,850 1988-2024
New Mexico
89,100 89,100 89,100 89,100 89,100 89,100 1988-2024
New York
245,779 245,779 245,779 242,791 242,791 242,791 1988-2024
Ohio
575,109 575,109 575,109 575,109 575,109 575,109 1988-2024
Oklahoma
372,191 372,390 372,655 372,655 372,655 374,655 1988-2024
Oregon
34,929 34,929 36,027 36,459 36,459 36,459 1989-2024
Pennsylvania
763,296 763,296 763,296 763,306 763,296 763,296 1988-2024
Tennessee
2,400 2,400 2,400 2,400 2,400 2,400 1998-2024
Texas
845,081 847,640 847,485 860,268 863,422 878,267 1988-2024
Utah
124,509 124,509 124,509 124,509 124,509 132,309 1988-2024
Virginia
8,960 8,960 8,960 8,960 8,960 8,960 1998-2024
Washington
46,900 46,900 46,900 46,900 46,900 46,900 1988-2024
West Virginia
531,706 531,706 531,706 533,175 533,175 533,175 1988-2024
Wyoming
139,947 155,995 155,995 155,995 155,995 167,995 1988-2024
- = 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: 11/28/2025
Next Release Date: 12/31/2025