Ameren Illinois Basic Generation Service (BGS)

Basic Generation Service (BGS) is the default supply option for residential and small commercial customers with electric demands less than 150 kW.

BGS represents the fixed energy supply price Ameren Illinois receives every year through the Illinois Power Agency. For additional information on supply options, contact us at:
bullet Business 800.232.2477
bullet Residential 800.755.5000

For more, review our Rider BGS - Basic Generation Service.

Regardless of your electric supply choice, Ameren Illinois will still deliver you reliable electric service.
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