Southlake electricity prices have decreased slightly by 0.1¢ over the past 7 days for an average 1000 kWh home. That’s about a $1/month decrease for the average family. With 121 available plans ranging from 7.78¢ to 23.56¢ per kWh, the market remains competitive. If you were considering switching plans, a downward trend is typically a good signal.