Ameren's New Log In & Registration Process

A new login and account management experience is coming to your Ameren.com account. Soon, you'll be able to use a single email address and your existing password to access all of your Ameren service accounts.

No action is needed at this time. When you log in to Ameren.com, use your existing unique UserID. Follow the instructions to link to your accounts and to set your email address as your new UserID moving forward.

Alert Info