Electric Supply Options - Definition
	Basic Generation Service (BGS)―The default option that represents wholesale power supply obtained by Ameren. Ameren does not profit from BGS charges; they represent a dollar-for-dollar pass-through of the suppliers’ price. No action is needed to sign up for BGS.*    *Exception: Non-residential customers with monthly usage over 1 megawatt are asked to proactively communicate their choice for energy supply to Ameren.