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|View History:  Monthly  Annual Download Data (XLS File)                      
|View History:  Monthly  Annual                                                
|View History:  Monthly  Annual                                                
|View History:                                                                 
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|Illinois Natural Gas Underground Storage Net Withdrawals  (Million Cubic Feet)
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|Illinois Natural Gas Underground Storage Net Withdrawals  (Million Cubic Feet)
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|Year                                                                                                                              | Jan    | Feb    | Mar    | Apr     | May     | Jun     | Jul     | Aug     | Sep     | Oct     | Nov    | Dec   
|--------------------------------------------------------------------------------------------------------------------------------- | ------ | ------ | ------ | ------- | ------- | ------- | ------- | ------- | ------- | ------- | ------ | ------
|1990                                                                                                                              | 36,920 | 51,120 | 32,950 | 3,696   | -30,874 | -32,757 | -29,394 | -35,504 | -33,537 | -18,692 | -594   | 40,741
|1991                                                                                                                              | 60,973 | 48,068 | 25,373 | -2,559  | -30,660 | -29,798 | -28,745 | -34,057 | -32,897 | -26,390 | 17,558 | 34,113
|1992                                                                                                                              | 58,118 | 43,448 | 25,247 | 8,578   | -31,163 | -29,861 | -28,140 | -35,313 | -32,462 | -26,155 | 14,263 | 42,048
|1993                                                                                                                              | 63,751 | 53,114 | 28,317 | -2,013  | -35,988 | -35,244 | -33,084 | -36,393 | -41,424 | -27,980 | 7,677  | 47,074
|1994                                                                                                                              | 76,867 | 46,395 | 14,791 | -502    | -25,727 | -31,224 | -34,981 | -37,123 | -40,132 | -27,773 | 12,634 | 33,868
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|1995                                                                                                                              | 74,603 | 68,672 | 28,695 | 5,540   | -34,672 | -35,273 | -37,156 | -39,596 | -39,267 | -38,814 | 18,278 | 51,971
|1996                                                                                                                              | 67,753 | 40,993 | 22,829 | -3,200  | -26,711 | -32,122 | -35,480 | -35,172 | -36,529 | -28,103 | 15,523 | 35,109
|1997                                                                                                                              | 63,269 | 39,383 | 22,821 | -636    | -23,526 | -27,571 | -32,161 | -35,387 | -35,655 | -28,399 | 2,805  | 44,906
|1998                                                                                                                              | 59,692 | 37,109 | 28,954 | -559    | -25,812 | -32,534 | -25,975 | -32,631 | -39,382 | -30,361 | 9,311  | 42,407
|1999                                                                                                                              | 55,871 | 39,761 | 26,392 | 10,812  | -25,941 | -25,952 | -25,990 | -32,748 | -38,163 | -31,518 | 2,345  | 42,415
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|2000                                                                                                                              | 58,269 | 34,034 | 8,699  | 13,169  | -12,923 | -32,238 | -27,774 | -27,776 | -30,571 | -33,495 | 25,535 | 49,235
|2001                                                                                                                              | 42,128 | 43,197 | 14,166 | -12,124 | -30,499 | -25,516 | -20,310 | -23,439 | -33,020 | -25,879 | -726   | 46,435
|2002                                                                                                                              | 58,718 | 49,782 | 26,800 | 8,617   | -26,088 | -37,540 | -28,544 | -36,473 | -38,648 | -29,718 | 19,615 | 52,510
|2003                                                                                                                              | 70,407 | 50,338 | 11,028 | -8,980  | -29,399 | -32,674 | -32,362 | -30,265 | -33,079 | -32,129 | 14,742 | 43,473
|2004                                                                                                                              | 67,571 | 44,777 | 26,768 | -750    | -27,588 | -34,451 | -34,646 | -34,089 | -38,974 | -30,615 | 14,552 | 52,049
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|2005                                                                                                                              | 65,878 | 47,565 | 29,033 | 1,745   | -28,986 | -34,509 | -36,120 | -37,164 | -38,438 | -33,782 | 11,186 | 52,366
|2006                                                                                                                              | 44,792 | 58,397 | 30,352 | 1,281   | -26,254 | -32,599 | -33,696 | -35,795 | -39,774 | -34,007 | 13,461 | 46,678
|2007                                                                                                                              | 68,301 | 54,277 | 14,660 | 4,716   | -30,392 | -32,789 | -34,214 | -33,438 | -39,181 | -36,610 | 19,042 | 52,960
|2008                                                                                                                              | 68,017 | 54,417 | 20,499 | 3       | -25,611 | -36,126 | -34,743 | -40,321 | -39,464 | -36,054 | 14,302 | 54,575
|2009                                                                                                                              | 65,060 | 46,821 | 25,030 | 3,628   | -30,860 | -33,808 | -35,495 | -39,125 | -40,911 | -37,052 | 10,313 | 54,935
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|2010                                                                                                                              | 68,075 | 53,029 | 21,363 | -7,071  | -30,014 | -31,297 | -27,354 | -35,682 | -38,164 | -38,847 | 9,533  | 54,106
|2011                                                                                                                              | 72,555 | 52,470 | 30,053 | -5,552  | -27,948 | -33,549 | -31,333 | -40,046 | -38,580 | -35,363 | 2,195  | 53,914
|2012                                                                                                                              | 68,015 | 55,400 | 15,641 | 2,589   | -29,462 | -29,239 | -31,211 | -38,847 | -35,293 | -35,976 | 8,869  | 50,515
|2013                                                                                                                              | 72,686 | 60,736 | 26,339 | -2,759  | -27,868 | -34,613 | -32,123 | -36,406 | -38,902 | -34,674 | 7,962  | 56,945
|2014                                                                                                                              | 72,190 | 49,721 | 23,881 | -1,578  | -29,654 | -35,170 | -35,418 | -39,186 | -38,887 | -38,767 | 11,226 | 50,911
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|2015                                                                                                                              | 63,529 | 58,104 | 21,193 | 1,105   | -28,714 | -29,520 | -32,685 | -34,172 | -37,238 | -36,756 | -1,164 | 45,715
|2016                                                                                                                              | 69,604 | 50,274 | 26,092 | 4,551   | -26,284 | -32,072 | -28,440 | -33,535 | -41,363 | -37,807 | 623    | 53,639
|2017                                                                                                                              | 59,371 | 42,917 | 35,264 | 4,438   | -17,012 | -32,389 | -25,184 | -34,888 | -41,306 | -40,165 | -333   | 57,696
|2018                                                                                                                              | 64,676 | 43,006 | 31,354 | 7,769   | -20,286 | -29,674 | -28,754 | -34,744 | -42,720 | -43,390 | 5,019  | 44,338
|2019                                                                                                                              | 71,746 | 44,951 | 21,726 | -2,460  | -29,250 | -31,465 | -21,798 | -34,114 | -39,814 | -39,931 | 2,466  | 40,690
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|2020                                                                                                                              | 52,539 | 55,297 | 34,667 | 7,597   | -18,009 | -28,451 | -29,436 | -40,365 | -40,475 | -38,409 | -4,152 | 45,251
|2021                                                                                                                              | 59,429 | 48,591 | 31,440 | 9,718   | -14,991 | -26,141 | -25,250 | -34,957 | -45,164 | -44,771 | -867   | 45,324
|2022                                                                                                                              | 73,361 | 46,075 | 30,379 | 4,813   | -19,121 | -26,677 | -30,481 | -34,626 | -38,908 | -45,403 | 4,926  | 46,078
|2023                                                                                                                              | 47,923 | 51,258 | 36,124 | 6,481   | -15,376 | -27,140 | -28,118 | -33,745 | -39,880 | -46,091 | -7,035 | 41,607
|2024                                                                                                                              | 65,597 | 47,797 | 29,370 | 5,062   | -17,684 |         |         |         |         |         |        |       
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|- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
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|Release Date: 7/31/2024                                                                                                          
|Next Release Date: 8/30/2024