The following rates are available from Constellation 12 Month Flat Tier Product12.90 cents per kWh 12 Month Usage Bill Credit15.90 cents per kWh 12Mo Usage Bill Credit + A/C Protection for 1 Unit and HVAC Monitoring15.90 cents per kWh 12Mo Usage Bill Credit + A/C Protection for 2 Units and HVAC Monitoring15.90 cents per kWh 12 Month (No Min Usage Fee)17.50 cents per kWh 12 Month GREEN (No Min Usage Fee)17.80 cents per kWh Keep in mind, Constellation may not have the lowest rates in Montgomery. To find the cheapest power company in Montgomery, just click over to our Montgomery Electricity Rates Page