The stadiums of Arlington, The Sports Capital of North Texas, benefit from some of the lowest electricity prices in Texas, where savings of up to 20% versus the US average. So, enjoy the Cowboys and the JumboJerryTron and or settle in for extra innings with the Rangers at the ballpark! The average rate for electricity in Arlington, Texas is 10.54¢. For our study, we reviewed Arlington Electricity rates that include the TDU / TDSP (Transmission and Distribution) charges from Oncor, which reflect the “All in” cost of electricity and makes it easy to compare electricity plans side by side.