About

For over a century, Oncor has provided safe, reliable electricity to its customers. This is a role that we serve with pride and a job that we take very seriously. Currently, we are the nation s sixth-largest transmission and distribution company, operating in a high-growth service area that includes the fastest growing city in the nation McKinney. Oncor is making numerous advancements to ensure it is able to provide the level of service the citizens of McKinney are accustomed to. Oncor s responsibilities include: electric transmission and distribution as well as meeting the energy delivery needs of commercial and residential developers.