Mcallen electricity prices have decreased by 0.1¢ over the past 7 days for an average 1,000 kWh home, roughly $1 a month for the typical household. Across South Texas, 111 plans range from 6.8¢ to 21.51¢ per kWh, with the market average at 14.32¢. Rates are still spread widely, so we’ll keep tracking where they head next.