All electricity in Austin is supplied by the Oncor transmission and distribution utility. Based on recent order data, the best electricity providers in Austin are Champion Energy Services, 4Change Energy and Constellation. Customers outside the service territory of Austin Energy and other municipal and cooperative providers in the area, that is, in the unregulated Texas market, have the Power to Choose option from their retail electricity provider. Austin Energy, which serves an area of 421 square miles, has achieved outage duration and frequency rates that are among the best in the country.
Some Austin electric companies are exclusively green, as all plans are 100% green and the prices and rates support 100% green and renewable energy generation.