Illinois electricity rates in October 2017 averaged 12.88 cents per kilowatthour -- an estimated 0 percent more than the 12.84 cents per kilowatthour average rate in the U.S. overall in October 2017.
Illinois natural gas rates in October 2017 averaged 10.40 dollars per thousand cubic feet -- an estimated 23 percent less than the 13.50 dollars per thousand cubic feet average rate in the nation overall in October 2017.
In the last decade, wind energy companies have invested $128 billion into the United States economy, the AWEA said in a recent report.
Last year was a record-breaking one for solar power generation in the U.S., and 2016 looks to have an even brighter future, the SEIA said.
For the first time ever, natural gas is expected to surpass coal as an electricity generating source in the United States.
Illinois has an estimated population of 12,830,632, which ranks 7th in the nation. 
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For more information about energy in Illinois, or to learn more about IL energy, visit the EIA.