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Illinois Natural Gas Injections into Underground Storage (Million Cubic Feet)
Illinois Natural Gas Injections into Underground Storage (Million Cubic Feet)
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
  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
  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
  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
  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
  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
  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

- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 3/29/2024
Next Release Date: 4/30/2024

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