Allen electricity prices have decreased slightly over the past 7 days, down 0.1¢ per kWh to an average of 15.75¢. That’s about a $1/month decrease for the average home. With 121 plans available and rates ranging from 7.8¢ to 23.56¢, the market remains competitive. When prices trend downward, it’s typically a reasonable time to lock in a rate.