LionTransmission Line Project


AEP Texas representatives plan power grid upgrades to improve electric reliability for customers in San Juan and Hildalgo County. The Lion Transmission Line Project involves building a new 138-kilovolt (kV) transmission line and a new electrical substation to strengthen the local transmission system.

Project Updates

December 2023 Company representatives filed a Certificate of Convenience and Necessity (CCN) with the Public Utility Commission of Texas (PUC) following a review of public input on route link development and additional route analysis on December 1, 2023. 

May 2024 - The PUC approved the project and line route on May 2, 2024. View the PUC final order here.


Project Timeline



Typical Structure Height: Approximately 80-110 feet
Typical Distance Between Structures: Approximately 600-700 feet
Typical ROW Width: Approximately 100 feet

*Exact structure, height and right-of-way requirements may vary


Property Easements Virtual Open House Project Fact Sheet Project Map Access Roads Field Activities

AEP Texas serves more than 900,000 electric consumers in the deregulated Texas marketplace.

Adriana Knight

Project Outreach Specialist

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