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1.8avg. commissioner years of serviceSource: Advanced Energy United
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12.13¢avg. price per kWhSource: EIA
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12legislative session length, monthsSource: Legislative Session
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71%residential market share of the largest utilitySource: May 2024, Advanced Energy United
breakdown of market shareUtility Percentage Market Share in Illinois
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Commonwealth Edison Co
Market Share71% -
Ameren Illinois Company
Market Share20%
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5governor years servedSource: May 2024, Advanced Energy United
Governor
Jay R. "JB" Pritzker
Governor Since14 Jan 2019
State Energy Office
Illinois Office of Energy
1021 North Grand Avenue East
Springfield, IL 62794
(217) 782-3397
Utility Consumer Advocate
Superior Agency: Office of the Illinois Attorney General
Susan Satter
Chief