The Illinois Commerce Commission issued a news release stating that the Ameren Illinois Price to Compare for the three rate zones will fall from 4.86 cents per kWh for the October 2013 to May 2014 period to "approximately" 4.6 cents per kWh for the June 2014 to September 2014 period.
Specific rates for each zone were not listed and have not been updated on PlugIn Illinois yet.
Furthermore, the ICC noted that the actual Transmission Services Charge for Ameren Illinois will not be known until on or around May 20, 2014, meaning Ameren Illinois' Prices to Compare are subject to slight changes.