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Underground Natural Gas Storage Capacity
(Million Cubic Feet)
Data Series: Period:
 Show Data By:
Data Series Area
Jul-25 Aug-25 Sep-25 Oct-25 Nov-25 Dec-25 View
History
U.S.
4,827,679 4,828,646 4,828,716 4,828,530 4,829,020 4,828,959 2012-2025
Alaska
69,905 69,905 69,905 69,905 69,905 69,905 2013-2025
Lower 48 States
4,757,774 4,758,741 4,758,811 4,758,626 4,759,115 4,759,055 2013-2025
Alabama
33,150 33,150 33,150 33,150 33,150 33,150 2012-2025
Arkansas
8,894 8,894 8,894 8,894 8,894 8,894 2012-2025
California
323,068 323,068 323,068 323,068 323,288 323,288 2012-2025
Colorado
72,959 72,959 72,959 72,959 72,959 72,959 2012-2025
Illinois
303,813 303,813 303,813 303,813 303,813 303,813 2012-2025
Indiana
32,285 32,285 32,285 32,285 32,285 32,225 2012-2025
Iowa
90,313 90,313 90,313 90,313 90,313 90,313 2012-2025
Kansas
122,982 122,982 122,982 122,982 122,982 122,982 2012-2025
Kentucky
108,131 108,131 108,131 108,131 108,131 108,131 2012-2025
Louisiana
429,788 430,785 430,884 430,863 430,859 430,853 2012-2025
Maryland
18,300 18,300 18,300 18,300 18,300 18,300 2012-2025
Michigan
688,390 688,390 688,390 688,390 688,390 688,390 2012-2025
Minnesota
2,000 2,000 2,000 2,000 2,000 2,000 2012-2025
Mississippi
201,258 201,231 201,205 201,044 201,018 201,027 2012-2025
Missouri
3,656 3,656 3,656 3,656 3,656 3,656 2012-2025
Montana
197,477 197,477 197,477 197,477 197,477 197,477 2012-2025
Nebraska
12,653 12,653 12,653 12,653 12,653 12,653 2012-2025
New Mexico
59,738 59,738 59,738 59,738 59,738 59,738 2012-2025
New York
125,198 125,198 125,198 125,198 125,198 125,198 2012-2025
Ohio
239,681 239,681 239,681 239,681 239,681 239,681 2012-2025
Oklahoma
203,921 203,921 203,921 203,921 203,921 203,921 2012-2025
Oregon
21,550 21,550 21,550 21,550 21,550 21,550 2012-2025
Pennsylvania
426,326 426,326 426,326 426,326 426,326 426,327 2012-2025
Tennessee
1,800 1,800 1,800 1,800 1,800 1,800 2015-2025
Texas
583,350 583,350 583,350 583,350 583,649 583,649 2012-2025
Utah
62,792 62,792 62,792 62,792 62,792 62,792 2012-2025
Virginia
4,930 4,930 4,930 4,930 4,930 4,930 2012-2025
Washington
24,600 24,600 24,600 24,600 24,600 24,600 2012-2025
West Virginia
264,475 264,472 264,469 264,467 264,466 264,463 2012-2025
Wyoming
90,297 90,297 90,297 90,297 90,297 90,297 2012-2025
AGA Producing Region
            2012-2013
AGA Eastern Consuming Region
            2012-2013
AGA Western Consuming Region
            2012-2013
East Region
1,078,910 1,078,907 1,078,904 1,078,901 1,078,900 1,078,898 2013-2025
South Central Region
1,583,343 1,584,312 1,584,386 1,584,203 1,584,473 1,584,476 2013-2025
Midwest Region
1,230,388 1,230,388 1,230,388 1,230,388 1,230,388 1,230,327 2013-2025
Mountain Region
495,916 495,916 495,916 495,916 495,916 495,916 2013-2025
Pacific Region
369,218 369,218 369,218 369,218 369,438 369,438 2013-2025
- = 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: 2/27/2026
Next Release Date: 3/31/2026