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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 Injections into Underground Storage  (Million Cubic Feet)
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|Illinois Natural Gas Injections into Underground Storage  (Million Cubic Feet)
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|Year                                                                                                                              | Jan   | Feb   | Mar    | Apr    | May    | Jun    | Jul    | Aug    | Sep    | Oct    | Nov    | Dec  
|--------------------------------------------------------------------------------------------------------------------------------- | ----- | ----- | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | -----
|1990                                                                                                                              | 2,189 | 271   | 2,720  | 9,668  | 32,390 | 37,507 | 29,406 | 35,531 | 34,922 | 20,388 | 6,532  | 1,553
|1991                                                                                                                              | 4,412 | 442   | 309    | 9,233  | 31,471 | 30,144 | 30,332 | 35,249 | 33,602 | 26,760 | 7,536  | 2,741
|1992                                                                                                                              | 778   | 229   | 589    | 6,696  | 32,026 | 31,485 | 31,568 | 35,782 | 32,858 | 28,319 | 7,586  | 6,487
|1993                                                                                                                              | 219   | 53    | 1,527  | 13,439 | 36,040 | 35,265 | 34,281 | 36,399 | 41,709 | 28,438 | 11,331 | 1,815
|1994                                                                                                                              | 4,339 | 3,538 | 3,911  | 8,670  | 26,460 | 31,342 | 35,109 | 37,133 | 40,143 | 29,292 | 13,367 | 2,475
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|1995                                                                                                                              | 208   | 379   | 3,672  | 9,006  | 36,015 | 36,237 | 37,316 | 39,644 | 39,517 | 41,846 | 16,463 | 3,106
|1996                                                                                                                              | 474   | 7,068 | 6,054  | 11,279 | 27,032 | 32,217 | 35,936 | 35,624 | 36,560 | 30,807 | 13,301 | 4,777
|1997                                                                                                                              | 2,153 | 735   | 4,381  | 12,766 | 24,992 | 28,360 | 32,378 | 36,759 | 36,940 | 30,502 | 16,235 | 1,584
|1998                                                                                                                              | 1,416 | 1,259 | 7,109  | 11,084 | 27,418 | 33,706 | 27,617 | 33,787 | 39,619 | 33,506 | 4,769  | 3,801
|1999                                                                                                                              | 4,619 | 2,075 | 4,465  | 5,876  | 27,742 | 28,270 | 27,998 | 33,861 | 39,499 | 35,746 | 20,295 | 7,878
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|2000                                                                                                                              | 4,045 | 4,730 | 9,641  | 7,101  | 16,925 | 33,821 | 29,885 | 28,560 | 35,893 | 36,281 | 12,077 | 6,565
|2001                                                                                                                              | 3,885 | 746   | 6,245  | 18,559 | 33,834 | 28,495 | 23,462 | 25,073 | 35,125 | 29,758 | 18,539 | 7,375
|2002                                                                                                                              | 1,916 | 3,721 | 8,738  | 7,185  | 28,263 | 38,934 | 31,501 | 37,500 | 38,895 | 34,235 | 13,429 | 2,256
|2003                                                                                                                              | 803   | 1,189 | 11,560 | 17,209 | 30,400 | 33,316 | 34,202 | 32,003 | 34,216 | 33,433 | 16,932 | 3,965
|2004                                                                                                                              | 1,911 | 2,213 | 5,198  | 11,722 | 30,306 | 34,830 | 35,735 | 36,356 | 39,853 | 31,541 | 14,224 | 2,858
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|2005                                                                                                                              | 1,576 | 1,234 | 7,939  | 7,957  | 31,332 | 37,075 | 37,738 | 39,085 | 39,574 | 36,090 | 17,134 | 3,779
|2006                                                                                                                              | 1,810 | 717   | 4,529  | 9,094  | 28,419 | 33,178 | 34,985 | 36,597 | 40,364 | 36,539 | 13,645 | 2,876
|2007                                                                                                                              | 516   | 1,695 | 7,704  | 11,521 | 31,585 | 33,443 | 34,496 | 34,296 | 39,623 | 36,788 | 10,130 | 1,993
|2008                                                                                                                              | 2,631 | 3,134 | 6,287  | 10,824 | 26,419 | 37,158 | 36,021 | 41,138 | 40,389 | 38,748 | 13,327 | 4,256
|2009                                                                                                                              | 2,331 | 4,963 | 6,791  | 10,311 | 31,187 | 34,503 | 36,059 | 39,362 | 41,146 | 38,736 | 11,942 | 2,087
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|2010                                                                                                                              | 2,871 | 1,320 | 6,396  | 14,213 | 31,448 | 31,758 | 29,040 | 36,617 | 39,109 | 39,543 | 12,546 | 2,597
|2011                                                                                                                              | 3,174 | 3,040 | 6,542  | 15,272 | 29,639 | 33,782 | 32,183 | 40,468 | 39,783 | 37,144 | 14,941 | 2,721
|2012                                                                                                                              | 1,911 | 2,103 | 6,929  | 12,420 | 30,302 | 30,312 | 31,776 | 40,069 | 35,726 | 37,236 | 17,136 | 4,032
|2013                                                                                                                              | 4,884 | 2,764 | 7,763  | 15,713 | 29,309 | 35,608 | 33,014 | 37,695 | 39,558 | 35,792 | 16,114 | 6,961
|2014                                                                                                                              | 3,420 | 4,144 | 10,453 | 14,136 | 30,553 | 35,460 | 36,065 | 40,022 | 40,081 | 39,739 | 15,067 | 1,690
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|2015                                                                                                                              | 2,355 | 2,548 | 8,068  | 9,806  | 30,404 | 30,143 | 33,669 | 34,660 | 37,984 | 38,110 | 18,310 | 1,782
|2016                                                                                                                              | 2,495 | 2,208 | 2,693  | 8,974  | 27,607 | 32,284 | 29,377 | 35,014 | 42,051 | 38,361 | 17,875 | 2,647
|2017                                                                                                                              | 4,164 | 2,900 | 2,698  | 8,028  | 20,596 | 32,777 | 25,965 | 36,530 | 41,470 | 41,130 | 17,571 | 1,734
|2018                                                                                                                              | 3,201 | 6,150 | 2,927  | 8,315  | 21,210 | 30,449 | 29,536 | 35,224 | 42,750 | 43,950 | 18,002 | 6,399
|2019                                                                                                                              | 1,573 | 6,736 | 5,735  | 13,112 | 29,875 | 31,998 | 26,860 | 36,403 | 40,128 | 40,884 | 17,554 | 5,533
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|2020                                                                                                                              | 5,604 | 1,827 | 1,646  | 9,371  | 19,275 | 28,999 | 30,437 | 41,835 | 40,951 | 39,101 | 19,470 | 1,484
|2021                                                                                                                              | 634   | 4,190 | 3,817  | 6,246  | 18,098 | 27,247 | 25,737 | 35,492 | 45,191 | 44,799 | 16,775 | 2,102
|2022                                                                                                                              | 2,187 | 6,037 | 3,484  | 6,869  | 19,889 | 26,722 | 30,581 | 35,652 | 40,181 | 45,533 | 14,640 | 6,263
|2023                                                                                                                              | 5,257 | 1,447 | 2,080  | 6,498  | 17,071 | 27,157 | 28,825 | 34,134 | 41,020 | 47,871 | 22,143 | 2,998
|2024                                                                                                                              | 1,967 | 1,738 | 2,118  | 7,205  | 18,860 |        |        |        |        |        |        |      
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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