About Oncor Electric Delivery
Oncor electricity refers to power provided by Oncor Electric Delivery. Plus, it is the largest transmission and delivery utility – or TDU – in Texas. Founded in 1912, Oncor sends electricity to more than 400 communities in 98 counties across the state. In addition, it manages nearly 140,000 miles of power lines.
Based in Dallas, Oncor has a network that gets power to more than 3.7 million Texas homes and businesses. Owned by Sempra Energy and Texas Transmission Investment LLC, Oncor’s electricity service area covers parts of east, central, and western Texas.
Oncor service areas
In addition to the cities listed above, it serves many others.