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South Central Montana Rates Summary

Residential Service Rates

Residential Service Rates (PDF)
(all residential services, see rate schedule for Rules and Regulations)

  • Basic Charge (single-phase service): $23.71 per month
  • Basic Charge (three-phase service): $36.28 per month
  • Energy Charge: $0.1364 per kWh
  • No Demand Charge
Medium General Service Rates

Medium General Service Rates (PDF)
(non-residential services 50 kW to less than 100 kW)

  • Basic Charge (single-phase service): $38.47 per month
  • Basic Charge (three-phase service): $53.09 per month
  • Energy Charge: $0.07508 per kWh
  • Demand Charge: $12.77 per kW
  • Reactive Power Charge: $1.29 per kVar
  • Primary Meter Discount: -1.5% of total bill and -$0.15 per kW
Large General Service Rates

Large General Service Rates (PDF)
(non-residential services 100 kW to less than 400 kW)

  • Basic Charge: $64.24 per month
  • Load Size Charge: $1.19 per kW
  • Energy Charge: $0.05631 per kWh
  • Demand Charge: $15.41 per kW
  • Reactive Power Charge: $1.29 per kVar
  • Primary Meter Discount: -1.5% of total bill and -$0.15 per kW
Industrial Service Rates

Industrial Service Rates (PDF)
(services 1,000 kW or greater)

  • Basic Charge: $350.81 per month
  • Load Size Charge: $1.53 per kW
  • Energy Charge: $0.04189 per kWh
  • Demand Charge: $23.99 per kW
  • Reactive Power Charge: $1.29 per kVar
  • Primary Meter Discount: -1.5% of total bill and -$0.15 per kW