Backed by Fortune 500 parent company Vistra Corp, TXU Energy offers distinctive plan options including Free Nights and Solar Days packages. The company provides 24/7 customer support and has distributed over $84 million through its TXU Energy Aid assistance program since 1983. While the provider has earned J.D. Power recognition and maintains strong service scores (77/100), customers should carefully review plan terms given the lower billing clarity ratings reported in reviews.