Town of Cardston Regulated retail electricity service for the Town of Cardston is provided by Enmax Energy Corporation. ResidentialCardston RRO June 2022Electricity$0.10823/kWhSmall BusinessCardston RRO June 2022Electricity$0.10823/kWh Compare retailer plans in our Cost Comparison Tool. Compare Rates Phone 403-653-5672 Toll free View Website