Learn more about Ameren Illinois, programs we offer, and options to help you save energy and manage your account.

Ameren Illinois; Ameren Missouri; Ameren Transmission; Trying to make a payment? You can make a payment by phone by calling Ameren's authorized payment vendor, Speedpay: Ameren Illinois - 888.777.3108 Ameren Missouri - 866.268.3729. Gas Odor? Downed Power Line? Call us immediately. Ameren Illinois – 800.755.5000 Ameren Missouri – 800.552.7583

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