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U.S. Natural Gas Salt Underground Storage - Working Gas (Million Cubic Feet)
U.S. Natural Gas Salt Underground Storage - Working Gas (Million Cubic Feet)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1994 47,455 36,864 41,979 49,646 58,678 56,813 63,882 64,460 70,583 72,447 73,277 69,641
  1995 72,965 64,476 58,510 66,025 73,529 78,437 76,026 63,026 80,949 87,711 83,704 71,638
  1996 58,880 47,581 37,918 56,995 62,439 71,476 70,906 75,927 84,962 88,061 87,029 85,140
  1997 57,054 49,490 55,865 58,039 73,265 79,811 65,589 66,536 77,598 93,020 95,180 82,610
  1998 69,390 68,851 63,549 80,476 82,711 83,080 90,544 92,319 83,365 115,709 118,521 104,104
  1999 82,043 77,133 67,758 77,908 94,436 101,788 95,521 102,210 111,680 115,048 116,495 99,921
  2000 64,686 65,513 68,762 73,606 77,383 90,189 97,110 89,625 100,844 107,493 110,471 71,905
  2001 73,430 66,772 53,088 70,924 85,107 84,689 88,705 85,959 100,321 108,318 123,340 114,611
  2002 92,677 74,034 64,952 76,701 93,328 103,526 91,112 95,656 102,493 108,402 105,757 102,085
  2003 56,375 37,527 57,340 71,998 87,088 97,650 98,424 102,160 123,017 129,417 124,825 124,988
  2004 92,335 66,733 77,524 85,881 94,646 107,676 114,858 110,912 103,082 124,414 126,755 98,268
  2005 80,142 87,269 75,497 91,043 100,018 100,865 91,937 83,303 86,596 115,230 134,822 122,827
  2006 128,836 97,781 97,539 115,592 126,108 127,828 113,612 111,338 135,837 140,349 146,459 144,291
  2007 109,286 74,136 93,355 101,900 123,430 125,656 133,372 112,984 125,135 147,002 135,311 123,204
  2008 76,156 81,773 92,536 107,146 127,487 138,463 140,451 138,983 116,011 140,963 156,854 154,332
  2009 104,572 93,719 114,268 148,853 182,639 187,219 200,469 203,991 221,991 228,689 243,351 185,769
  2010 109,460 76,953 112,185 154,702 183,331 186,132 176,996 167,511 204,722 251,719 271,964 220,417
  2011 174,414 125,066 151,198 172,023 211,140 214,240 185,990 169,061 203,835 281,390 315,569 309,026
  2012 276,759 244,172 292,533 285,236 282,422 281,588 256,624 241,799 276,900 329,201 332,418 306,441
  2013 251,545 200,250 175,681 213,394 257,613 269,357 273,112 263,930 296,343 330,570 312,560 267,730
  2014 142,726 94,832 68,247 119,358 178,935 208,878 226,099 229,093 270,893 330,904 335,283 340,855
  2015 252,270 126,686 138,401 220,660 283,136 297,487 296,996 301,018 332,729 375,893 389,384 387,099
  2016 312,055 294,962 322,486 358,453 367,583 348,408 318,719 281,303 294,992 383,088 402,434 348,523
  2017 337,845 327,528 291,861 326,058 342,541 339,164 303,810 278,944 317,579 350,437 378,777 296,514
  2018 192,120 195,679 192,209 202,357 248,679 255,073 213,511 186,962 190,049 254,223 270,200 304,553
  2019 243,094 182,671 164,341 234,220 258,101 262,217 226,948 200,269 232,102 309,664 327,914 326,922
  2020 282,916 231,162 262,959 333,392 359,241 367,673 339,240 338,655 369,971 351,043 375,929 336,817
  2021 278,584 176,321 241,066 267,102 308,280 291,516 251,745 211,993 265,177 334,074 333,084 354,333
  2022 219,905 149,764 174,923 239,208 254,454 233,844 199,910 186,820 232,359 307,735 322,475 279,640
  2023 288,570 262,917 265,506 285,722 342,479 332,882 292,303 248,756 271,964 325,163 338,773 345,155
  2024 265,193 293,300 308,026 320,242 337,870 329,677 310,311 271,695 274,475 346,685 363,755 368,836
  2025 222,710 155,890

- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 4/30/2025
Next Release Date: 5/30/2025

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