Electronic
Pay <a href="/sites/aiu/CSC/Pages/DirectPayandEDI.aspx">automatically with Direct Pay or EDI</a> from your checking account.
Online
Make <a href="/sites/aiu/CSC/Pages/OnlinePaymentOptions.aspx">one-time or scheduled payments</a> by electronic check, credit or debit card.
Phone
Make <a href="/sites/aiu/CSC/Pages/WesternUnionSpeedpay.aspx">immediate payment through Speedpay</a> by credit card or electronic check.
Pay Stations
Pay in person by check, money order or cash. <a href="https://www2.ameren.com/common/PayStationLocator.aspx?ID=residential">Find a location near you</a>.
U.S. Mail
Send payment, check or money order, to the <a href="/sites/aiu/CSC/Pages/PaymentMailAddresses.aspx">Ameren Illinois address</a>.
More Information
Late payment and returned check policies, plus fee schedule. (<a href="/sites/aiu/CSC/Pages/OtherPaymentInformation.aspx">more</a>)
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