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Underground Natural Gas Storage Capacity
(Million Cubic Feet)
Data Series: Period:
 Show Data By:
Data Series Area
Aug-25 Sep-25 Oct-25 Nov-25 Dec-25 Jan-26 View
History
U.S.
9,364,711 9,364,781 9,369,438 9,369,398 9,370,618 9,369,488 1989-2026
Alaska
85,582 85,582 85,582 85,582 85,582 85,582 2013-2026
Lower 48 States
9,279,129 9,279,199 9,283,856 9,283,816 9,285,036 9,283,906 2012-2026
Alabama
43,600 43,600 43,600 43,600 43,600 43,600 2002-2026
Arkansas
21,972 21,972 21,972 21,972 21,972 21,972 2002-2026
California
604,048 604,048 604,048 604,048 604,048 604,048 2002-2026
Colorado
141,407 141,407 141,407 141,407 141,407 141,407 2002-2026
Illinois
1,017,523 1,017,523 1,017,523 1,017,523 1,017,940 1,017,940 2002-2026
Indiana
113,549 113,549 113,549 113,549 113,549 113,549 2002-2026
Iowa
288,210 288,210 288,210 288,210 288,210 288,210 2002-2026
Kansas
282,986 282,986 282,986 282,986 282,986 282,986 2002-2026
Kentucky
222,230 222,230 222,230 222,230 222,230 222,230 2002-2026
Louisiana
744,694 744,798 744,762 744,756 744,744 744,717 2002-2026
Maryland
64,000 64,000 64,000 64,000 64,000 64,000 2002-2026
Michigan
1,076,066 1,076,066 1,076,066 1,076,066 1,076,066 1,076,066 2002-2026
Minnesota
7,000 7,000 7,000 7,000 7,000 7,000 2002-2026
Mississippi
330,121 330,087 329,893 329,860 329,825 329,751 2002-2026
Missouri
13,845 13,845 13,845 13,845 13,845 13,845 2002-2026
Montana
376,225 376,225 376,225 376,225 376,225 376,225 2002-2026
Nebraska
34,850 34,850 34,850 34,850 34,850 34,850 2002-2026
New Mexico
89,100 89,100 89,100 89,100 89,100 89,100 2002-2026
New York
242,791 242,791 242,791 242,791 242,791 242,791 2002-2026
Ohio
575,109 575,109 575,109 575,109 575,109 575,109 2002-2026
Oklahoma
374,655 374,655 374,655 374,655 374,655 374,655 2002-2026
Oregon
36,459 36,459 36,459 36,459 36,459 36,459 2002-2026
Pennsylvania
763,296 763,296 763,296 763,296 763,296 763,296 2002-2026
Tennessee
2,400 2,400 2,400 2,400 2,400 2,400 2002-2026
Texas
903,656 903,656 908,542 908,542 908,992 907,963 2002-2026
Utah
132,309 132,309 132,309 132,309 132,309 132,309 2002-2026
Virginia
8,960 8,960 8,960 8,960 8,960 8,960 2002-2026
Washington
46,900 46,900 46,900 46,900 46,900 46,900 2002-2026
West Virginia
533,175 533,175 533,175 533,175 533,575 533,575 2002-2026
Wyoming
187,995 187,995 187,995 187,995 187,995 187,995 2002-2026
AGA Producing Region
            1994-2013
AGA Eastern Consuming Region
            1994-2013
AGA Western Consuming Region
            1994-2013
East Region
2,187,330 2,187,330 2,187,330 2,187,330 2,187,730 2,187,730 2013-2026
South Central Region
2,701,683 2,701,753 2,706,410 2,706,370 2,706,773 2,705,643 2013-2026
Midwest Region
2,740,823 2,740,823 2,740,823 2,740,823 2,741,240 2,741,240 2013-2026
Mountain Region
961,886 961,886 961,886 961,886 961,886 961,886 2013-2026
Pacific Region
687,407 687,407 687,407 687,407 687,407 687,407 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: 3/31/2026
Next Release Date: 4/30/2026