Oncor is a regulated electricity transmission and distribution company that provides the essential service of delivering electricity safely, reliably, and economically to end-use consumers. Oncor operates the largest transmission and distribution system in Texas, delivering electricity to more than 3.8 million homes and businesses and operating more than 140,000 miles of transmission and distribution lines. Oncor delivers electricity across a distribution territory that has an estimated population of approximately 13 million Texans.