| 
 | ||||||||
|  | ||||||||
| Illinois Natural Gas Withdrawals from Gas Wells (Million Cubic Feet) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1991 | 40 | 37 | 39 | 38 | 37 | 36 | 35 | 37 | 36 | 39 | 39 | 40 | 
| 1992 | 30 | 27 | 29 | 28 | 28 | 27 | 27 | 27 | 27 | 29 | 29 | 30 | 
| 1993 | 30 | 28 | 28 | 26 | 27 | 27 | 26 | 27 | 27 | 28 | 26 | 29 | 
| 1994 | 29 | 28 | 28 | 26 | 26 | 26 | 26 | 27 | 26 | 27 | 25 | 28 | 
| 1995 | 29 | 28 | 28 | 26 | 27 | 26 | 26 | 27 | 27 | 28 | 25 | 28 | 
| 1996 | 29 | 27 | 27 | 25 | 26 | 26 | 21 | 21 | 21 | 22 | 20 | 23 | 
| 1997 | 22 | 21 | 21 | 20 | 20 | 20 | 16 | 17 | 17 | 17 | 16 | 18 | 
| 1998 | 20 | 19 | 19 | 18 | 18 | 18 | 15 | 15 | 15 | 16 | 14 | 16 | 
| 1999 | 19 | 18 | 18 | 17 | 17 | 17 | 14 | 14 | 14 | 15 | 13 | 15 | 
| 2000 | 18 | 17 | 17 | 16 | 16 | 16 | 13 | 14 | 14 | 14 | 13 | 14 | 
| 2001 | 18 | 17 | 17 | 16 | 16 | 16 | 13 | 13 | 13 | 14 | 13 | 14 | 
| 2002 | 17 | 16 | 16 | 15 | 16 | 16 | 13 | 13 | 13 | 13 | 12 | 14 | 
| 2003 | 17 | 16 | 16 | 15 | 15 | 15 | 12 | 13 | 12 | 13 | 12 | 13 | 
| 2004 | 16 | 16 | 16 | 15 | 15 | 15 | 12 | 12 | 12 | 13 | 12 | 13 | 
| 2005 | 16 | 15 | 15 | 14 | 14 | 14 | 12 | 12 | 12 | 12 | 11 | 13 | 
| 2006 | 16 | 16 | 16 | 15 | 15 | 15 | 12 | 12 | 12 | 13 | 12 | 13 | 
| 2007 | 137 | 131 | 131 | 122 | 124 | 124 | 100 | 103 | 102 | 107 | 98 | 110 | 
| 2008 | 118 | 112 | 112 | 104 | 106 | 106 | 85 | 88 | 87 | 91 | 84 | 94 | 
| 2009 | 142 | 136 | 136 | 126 | 128 | 128 | 103 | 107 | 106 | 110 | 102 | 114 | 
| 2010 | 175 | 160 | 168 | 168 | 168 | 126 | 94 | 78 | 98 | 111 | 156 | 194 | 
| 2011 | 183 | 155 | 192 | 180 | 182 | 155 | 144 | 172 | 164 | 179 | 204 | 204 | 
| 2012 | 184 | 156 | 193 | 181 | 183 | 156 | 144 | 173 | 165 | 180 | 205 | 205 | 
| 2013 | 532 | 203 | 267 | 204 | 160 | 155 | 157 | 155 | 186 | 158 | 165 | 546 | 
| 2014 | 164 | 148 | 164 | 159 | 164 | 159 | 164 | 164 | 159 | 164 | 159 | 164 | 
| 2015 | 182 | 147 | 161 | 144 | 158 | 158 | 182 | 191 | 191 | 181 | 191 | 194 | 
| 2016 | 175 | 175 | 188 | 188 | 191 | 192 | 184 | 188 | 178 | 176 | 175 | 173 | 
| 2017 | 173 | 168 | 182 | 174 | 182 | 176 | 179 | 184 | 160 | 173 | 183 | 197 | 
| 2018 | 191 | 182 | 190 | 194 | 189 | 229 | 206 | 212 | 249 | 215 | 203 | 204 | 
| 2019 | 212 | 176 | 176 | 195 | 189 | 194 | 189 | 182 | 170 | 142 | 151 | 175 | 
| 2020 | 172 | 164 | 176 | 164 | 138 | 169 | 174 | 161 | 102 | 136 | 141 | 143 | 
| 2021 | 149 | 120 | 140 | 135 | 133 | 132 | 127 | 136 | 126 | 136 | 144 | 158 | 
| 2022 | 161 | 168 | 171 | 138 | 143 | 159 | 112 | 174 | 183 | 130 | 177 | 288 | 
| 2023 | 195 | 160 | 202 | 252 | 208 | 192 | 233 | 229 | 204 | 229 | 255 | 229 | 
| 2024 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | 
| 2025 | NA | NA | NA | NA | NA | NA | NA | |||||
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. | 
| Release Date: 9/30/2025 | 
| Next Release Date: 10/31/2025 |