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Underground Natural Gas Storage Capacity
(Million Cubic Feet)
Data Series: Period:
 Show Data By:
Data Series Area
Nov-25 Dec-25 Jan-26 Feb-26 Mar-26 Apr-26 View
History
U.S.
4,819,020 4,818,959 4,815,817 4,815,509 4,813,474 4,814,454 2012-2026
Alaska
69,905 69,905 69,905 69,905 69,905 69,905 2013-2026
Lower 48 States
4,749,115 4,749,055 4,745,912 4,745,604 4,743,569 4,744,549 2013-2026
Alabama
33,150 33,150 33,150 33,150 33,150 33,150 2012-2026
Arkansas
8,894 8,894 8,894 8,894 8,894 8,894 2012-2026
California
323,288 323,288 323,288 323,288 323,288 323,288 2012-2026
Colorado
62,959 62,959 62,959 62,959 62,959 62,959 2012-2026
Illinois
303,813 303,813 303,813 303,813 303,813 303,813 2012-2026
Indiana
32,285 32,225 32,225 32,225 32,225 32,225 2012-2026
Iowa
90,313 90,313 90,313 90,313 90,313 90,313 2012-2026
Kansas
122,982 122,982 122,982 122,982 122,982 122,982 2012-2026
Kentucky
108,131 108,131 108,131 108,131 108,131 108,131 2012-2026
Louisiana
430,859 430,853 430,836 430,831 430,826 430,822 2012-2026
Maryland
18,300 18,300 18,300 18,300 18,300 18,300 2012-2026
Michigan
688,390 688,390 688,390 688,390 686,390 686,390 2012-2026
Minnesota
2,000 2,000 2,000 2,000 2,000 2,000 2012-2026
Mississippi
201,018 201,027 200,934 200,910 200,883 201,870 2012-2026
Missouri
3,656 3,656 3,656 3,656 3,656 3,656 2012-2026
Montana
197,477 197,477 197,477 197,477 197,477 197,477 2012-2026
Nebraska
12,653 12,653 12,653 12,653 12,653 12,653 2012-2026
New Mexico
59,738 59,738 59,738 59,738 59,738 59,738 2012-2026
New York
125,198 125,198 125,198 125,198 125,198 125,198 2012-2026
Ohio
239,681 239,681 239,681 239,681 239,681 239,681 2012-2026
Oklahoma
203,921 203,921 203,921 203,921 203,921 203,921 2012-2026
Oregon
21,550 21,550 21,550 21,550 21,550 21,550 2012-2026
Pennsylvania
426,326 426,327 426,327 426,327 426,327 426,327 2012-2026
Tennessee
1,800 1,800 1,800 1,800 1,800 1,800 2015-2026
Texas
583,649 583,649 580,619 580,619 580,619 580,619 2012-2026
Utah
62,792 62,792 62,792 62,792 62,792 62,792 2012-2026
Virginia
4,930 4,930 4,930 4,930 4,930 4,930 2012-2026
Washington
24,600 24,600 24,600 24,600 24,600 24,600 2012-2026
West Virginia
264,466 264,463 264,460 264,181 264,178 264,175 2012-2026
Wyoming
90,297 90,297 90,297 90,297 90,297 90,297 2012-2026
AGA Producing Region
            2012-2013
AGA Eastern Consuming Region
            2012-2013
AGA Western Consuming Region
            2012-2013
East Region
1,078,900 1,078,898 1,078,895 1,078,616 1,078,613 1,078,611 2013-2026
South Central Region
1,584,473 1,584,476 1,581,336 1,581,307 1,581,275 1,582,258 2013-2026
Midwest Region
1,230,388 1,230,327 1,230,327 1,230,327 1,228,327 1,228,327 2013-2026
Mountain Region
485,916 485,916 485,916 485,916 485,916 485,916 2013-2026
Pacific Region
369,438 369,438 369,438 369,438 369,438 369,438 2013-2026
- = 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: 6/30/2026
Next Release Date: 7/31/2026