Mcallen electricity prices have decreased slightly over the past 7 days, with the average rate dropping from 15.87¢ to 15.74¢ per kWh. That’s roughly a $1.30/month savings for a typical 1000 kWh home. With 113 plans available and rates ranging from 8.3¢ to 22.92¢, the South Texas market remains competitive with modest downward movement.