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Underground Natural Gas Storage Capacity
(Million Cubic Feet)
Data Series: Period:
 Show Data By:
Data Series Area
Feb-25 Mar-25 Apr-25 May-25 Jun-25 Jul-25 View
History
U.S.
4,816,515 4,814,802 4,814,633 4,814,607 4,815,108 4,825,179 2012-2025
Alaska
69,905 69,905 69,905 69,905 69,905 69,905 2013-2025
Lower 48 States
4,746,610 4,744,897 4,744,728 4,744,702 4,745,204 4,755,274 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
323,068 323,068 323,068 323,068 323,068 323,068 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 32,285 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
429,788 429,788 429,788 429,788 429,788 429,788 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
200,857 200,831 200,806 200,780 201,285 201,258 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
240,594 239,752 239,681 239,681 239,681 239,681 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
426,326 426,326 426,326 426,326 426,326 426,326 2012-2025
Tennessee
1,800 1,800 1,800 1,800 1,800 1,800 2015-2025
Texas
570,750 570,750 570,750 570,750 570,750 580,850 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
265,400 264,555 264,481 264,481 264,478 264,475 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
1,080,747 1,079,060 1,078,915 1,078,915 1,078,912 1,078,910 2013-2025
South Central Region
1,570,341 1,570,316 1,570,290 1,570,265 1,570,769 1,580,843 2013-2025
Midwest Region
1,230,388 1,230,388 1,230,388 1,230,388 1,230,388 1,230,388 2013-2025
Mountain Region
495,916 495,916 495,916 495,916 495,916 495,916 2013-2025
Pacific Region
369,218 369,218 369,218 369,218 369,218 369,218 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: 9/30/2025
Next Release Date: 10/31/2025