Reliant, an NRG company Share: Electric Service-Residential/BusinessEnergy Services/BrokerUtilities Reliant, an NRG company Visit Website Request Info 2745 Dallas Parkway, Suite #200 Plano, TX 75093 (469) 277-4083 About Map About Public Utilities What's Nearby? Distance: 5 10 15 20 25 50 mi.