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)17.30 cents per kWh 12 Month GREEN (No Min Usage Fee)17.70 cents per kWh Keep in mind, Constellation may not have the lowest rates in Diboll. To find the cheapest power company in Diboll, just click over to our Diboll Electricity Rates Page