Last updated: September 2, 2026 Southern Federal Power serves residential electricity customers in competitive areas of Texas. Service is available at eligible addresses within six electric delivery utility territories: CenterPoint Energy Oncor Electric Delivery AEP Texas North AEP Texas Central Texas-New Mexico Power Lubbock Power & Light Availability is determined by the electric delivery utility assigned to a specific service address. Because ZIP codes and city boundaries can cross utility territories, the best way to confirm service is to enter the home's ZIP code and address on SouthernFederal.com or search available plans through PowerToChoose.org. Southern Federal Power Service Areas by Delivery Utility Southern [...]