Basic Generation Service
(BGS) is the default supply option for residential and small commercial customers with electric demands less than 150 kW.
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 800.232.2477
For more, review our Rider BGS - Basic Generation Service
Regardless of your electric supply choice, Ameren Illinois will still deliver you reliable electric service.