Current Co-worker?

If you're connected to the Ameren network, select "Current Co-worker Login" for Single Sign On (SSO). If you're connected from home or other network, select "Current Co-worker Login" and enter your Ameren employee email address (letter+number@ameren.com) and the password you use to access other Ameren applications.

Retiree or Former Co-worker?

Select "Retiree / Former Co-worker Login" and use your previously created personal UserID and password. If you retired or terminated on August 8, 2023 or after, you will first need to register to create your own UserID and password using your personal credentials.