Monday 20th October 2025

Union Electric Company d/b/a Ameren Missouri has filed an application with the Missouri Public Service Commission seeking to adjust the Energy Efficiency Investment Charge (EEIC) that appears on the monthly bills of its electric customers.
Applications to intervene and participate in this case must be filed no later than December 10, with the Secretary of the Missouri Public Service Commission in Jefferson City or by using the Commission’s Electronic Filing and Information System (EFIS) on its website.
Individual citizens wishing to comment should contact either the Office of the Public Counsel in Jefferson City via telephone at (866) 922-2959, e-mail opcservice@opc.mo.gov or the Public Service Commission Staff in Jefferson City. The Office of the Public Counsel is a separate state agency that represents the general public in matters before the Commission.
For a typical residential customer, the EEIC will drop from approximately $4.64 a month to approximately $3.80 a month, effective February 1, 2020. According to Ameren Missouri’s application, the proposed adjustment reflects the actual and forecasted costs of the company’s approved energy efficiency programs.
The Energy Efficiency Investment Charge (EEIC) is a charge which encourages utility companies to implement demand-side and energy efficiency programs, and was part of the Missouri Energy Efficiency Investment Act (MEEIA). The mechanism is reflected as a separate line item on customer bills.
Ameren Missouri serves approximately 1.28 million electric customers in Missouri.