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Electric Vehicles

Residential Charging Program

Electric vehicle owners can take advantage of the Ameren Illinois ChargeSmart program to save money. Shift your electric usage, including when you charge your EV, and save with this optional charging program. 

Take Charge of your EV Lifestyle

Owning an EV means your energy usage can ebb and flow with your driving habits and other lifestyle factors. When at home, it is important to know when to charge. This at-home charging program encourages you to charge during the preferred charging times from 11 p.m. – 7 a.m.


The facts about our ChargeSmart Program

While standard delivery service rates always apply, there are different price periods or times of the day that influence your monthly bill while on this charging program:

  • Preferred Charging Period (PCP): 11:00 p.m. - 7:00 a.m. A credit for your electric delivery service is given for every kWh of usage during this period.
  • Non-Preferred Charging Period (NPCP): 11:00 a.m. – 7:00 p.m. During the highest one hour of total household usage from the billing period that occurs within this timeframe, there will be an additional charge for each kWh used.
  • Standard Charging Period: 7:00 a.m. – 11:00 a.m. and 7 p.m. to 11:00 p.m. There are no additional credits or charges for electric usage during this time period.
  • First-year Bill Credit: We understand that it takes time to adjust. To offset potentially higher charges for usage during the NPCP, we offer a monthly bill credit for your first 12 consecutive months enrolled in the ChargeSmart program. This will give you time to see how household usage impacts your bill and to make adjustments for maximum savings

If you live in a single-family home, such as a house or a condo, and you charge an electric vehicle at that location you are eligible. 
Residential customers will need to provide the following information to sign up for ChargeSmart:
  1. Year, make, model, and VIN of EV
  2. Information on charging equipment (Charger manufacturer, model, voltage, and amp rating) 
  3. Certified installer information if applicable, including company information and ICC Docket number
ChargeSmart will only change the way you are billed for the delivery portion of your service, all standard electric supply rates apply. The program was also designed to impact only the new usage that will be added to your bill for EV charging. This means that if you continue your existing electric usage patterns outside of EV charging, your bill for that portion should not change. 

Preferred Charging Period (PCP): A credit for your electric delivery service is given for every kWh of usage during this period.
Non Preferred Charging Period (NPCP): During the highest one hour of household usage from the billing period that occurs within this timeframe, there will be an additional charge for each kWh used.

 

EXAMPLE: EV Peak NPCP Usage Calculation

Assuming Peak hourly usage: 6 kWh
Assuming NPCP charge/kWh = $.65

$.65/kwh x 6 kWh = $3.90 Total Peak Hourly Delivery charge on bill

EXAMPLE: EV PCP Credit Calculation (summer)

Assuming total PCP usage for the billing period: 230kWh

230 kWh x $.02 summer EV credit = $4.60 total Credit on bill

EV peak NPCP usage charge and PCP credit comparison:

   -$ 3.90  Peak Delivery Charge
+$ 4.60  PCP Credit
+$  .70 credit

In this example, the difference between the charge and the credit for this scenario would be $.70, meaning there is small difference in billing before adding the extra usage for charging. Remember: Charging your vehicle overnight can help keep electricity costs used for fueling an EV low.

You can learn more about your energy usage by logging in to your Ameren Illinois online account

Yes, as a residential customer you can cancel your enrollment at any time and return to standard billing effective with your next meter reading. You can re-enroll at any time; however, if you cancelled before your first consecutive 12 months were complete, you will no longer be eligible to receive the monthly bill credit.
The EV charging program, referred to as ChargeSmart is designed to help our region adopt and transition to electric transportation. Electricity is what fuels electric vehicles. We must balance the needs of our customers with grid efficiency - using our infrastructure wisely. Our ChargeSmart program supports our residential customers with a bill credit and our businesses with incentives to make building the charging infrastructure easier when adding charging stations to facilities and major travel routes.
Enrolling in the charging program is optional. As an EV owner, enrolling in the program can lower charging costs. Charging at home gives customers the opportunity to fuel an EV for less.
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