View History:  Annual  
Download Data (XLS File)
Illinois Natural Gas Percentage Total Commercial Deliveries  (Percent)
Illinois Natural Gas Percentage Total Commercial Deliveries (Percent)
Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9
  1990's 7.10 6.82 6.72 6.90 6.31 5.82 6.19
  2000's 6.34 6.26 6.51 6.66 6.52 6.73 6.93 6.75 7.05 7.14
  2010's 6.38 6.83 6.50 7.00 7.11 6.72 6.83 6.82 6.89 7.04
  2020's 6.81 6.78 6.97


- = 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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