Illinois Power Switch Ameren Illinois Utilities


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Know how to judge the offerings of every supplier. Click here to learn the basic elements of electric supply and get ready to make your decision.

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Be a smart shopper.

Whether you’re a residential customer or a business, prepare yourself with smart questions before you shop energy providers. Click here for a printable list of questions that can help guide your shopping. Some of these companies will advertise, and others won't. And some may hire third parties, also known as agents, to market their services to you. You can always ask an agent which supplier they are representing.

Once you’re prepared, click on the appropriate link below to browse a list of potential suppliers.