Grapevine electricity prices have decreased slightly over the past 7 days, down about 0.1¢ per kWh for an average 1,000 kWh home, from 15.35¢ to 15.26¢. That works out to roughly $1 less per month. Across North Texas, 112 available plans currently range from 7.2¢ to 22.57¢ per kWh, with the market average at 15.27¢. The spread is wide, so plan terms matter.