Ameren MediaRoom (Rates) Ameren MediaRoom Ameren Illinois outlines plan to increase energy savings Maintains focus on assisting moderate- to low-income customers, creating jobs, and boosting economies in central and southern Illinois Wed, 11 Oct 2017 15:19:00 -0400 Ameren Illinois files for electric rate decrease Thu, 13 Apr 2017 15:23:00 -0400 Ameren Illinois Customers Benefit From Federal Ruling Wed, 06 Jan 2016 09:09:00 -0500 Ameren Illinois demands answers from federal energy regulators about surge in capacity prices Files comments in complaint cases against MISO Tue, 30 Jun 2015 00:00:00 -0400 Ameren Missouri Customers Can Expect Lower Rates for Natural Gas Fri, 31 Oct 2014 11:00:00 -0400