How can you pay your Ameren bill online?

Customers are able to pay an Ameren bill online by visiting the main company website and clicking on the Pay Online Now button. Online payment requires a customer-specific user ID and password to be registered and entered.

As of 2015, customers have the option of paying online with a credit or debit card or an electronic check. The first two methods incur a convenience fee, while the latter is fee-free. Electronic checks require a customer-specific login and password. Customers can also settle bills by phone with a credit or debit card or an electronic check. A convenience fee is added to each transaction made by phone.