About Oncor

About Oncor

Oncor is the largest regulated electric transmission and distribution provider in Texas. Sempra Energy is committed to ensuring that Oncor remains a Dallas-based company with strong local management, anchored in the communities it serves and dedicated to meeting the growing needs of Texas electric customers.

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10 million

consumers across Texas 

4,000

employees work to safely maintain reliable electric delivery service

134,000

miles of transmission and distribution lines

Oncor Facts

Get to know Oncor, Texas’ largest transmission and distribution utility. 

Download Oncor Fact Sheet