Union Electric Company d/b/a Ameren Missouri

Peak

6am-10pm every day, all year (price shown is the June-September base energy charge)

18.4¢/kWh

Off-peak

10pm-6am every day, all year (price shown is the June-September base energy charge)

7.3¢/kWh

Optional rate open to Ameren Missouri residential customers. The rates shown are the summer (June through September) base energy charges; in winter the on-peak charge is 10.34 cents and the off-peak charge is 6.31 cents per kWh. Riders such as the fuel adjustment are added on top. A summer-only option bills winter usage at the standard Anytime rate. Customers without an advanced meter pay an extra $1.50 monthly meter charge. It is a whole-home rate, not an EV-specific rate.

Peak

3pm-7pm weekdays June through September (price shown is the summer base energy charge); 6am-8am and 6pm-8pm weekdays October through May; holidays excluded

40.5¢/kWh

Off-peak

10pm-6am every day (price shown is the June-September base energy charge); other non-peak hours are billed at a mid-priced intermediate rate

7.7¢/kWh

Optional rate for residential customers served through an advanced (smart) meter. The rates shown are the summer base energy charges; the summer intermediate charge is 12.16 cents per kWh, and winter charges are 21.69 cents on-peak, 7.78 cents intermediate, and 6.35 cents off-peak, before riders. Customers can change plans up to three times a year. It is a whole-home rate, not an EV-specific rate.

Peak

2pm-7pm weekdays, June through September

40.1¢/kWh

Off-peak

7pm-2pm weekdays plus all weekend hours, June through September

9.4¢/kWh

Closed to new enrollment. Existing customers keep it until an advanced meter is installed, then move to the Smart Saver rate unless they pick another plan. The rates shown are summer base energy charges; riders such as the fuel adjustment are added on top. Time-of-day pricing applies only in summer; winter usage is billed at 10.62 cents per kWh for the first 750 kWh and 7.14 cents above that, before riders.