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Bell County East - Big Hill 765 kV Transmission Line Project

For Oncor and LCRA TSC to continue to provide safe and reliable electric service in this area, a new 765 kV transmission line is needed. The Project would connect a new LCRA TSC 765 kV Big Hill Substation, located in close proximity to LCRA TSC’s existing Big Hill 345 kV Substation 13 miles northeast of the City of Eldorado in Schleicher County, Texas, and the expansion of Oncor’s existing Bell County East Switch, located 5.5 miles southeast of the City of Temple in Bell County, Texas. The Proposed Transmission Line Project is currently planned for completion in summer 2030.

 

Voltage and Structure Type – The project includes a new 765 kV single-circuit transmission line constructed on self-supporting, steel lattice towers.

 

Public Meeting – Notice of the public meetings was published in the following newspapers on the specified dates.

Two column table showing published dates on local newspapers.

Three public participation meetings were held for the project.

 

Bell County meetings

Oncor and LCRA TSC will continue to accept landowner feedback by utilizing the Landowner Questionnaire. Please submit Questionnaires as soon as possible. A PDF copy of the Landowner Questionnaire is available here. Please submit via email to transmissionprojects@oncor.com or BCBH@LCRA.org .

 

Public Participation Meeting materials handed out at the Public Meetings are available here.


Project Maps – You can download or view a copy of the preliminary routing, as presented at the public participation meetings below.

 

Notice Map

 

Constraints Map

 

Constraints Map (Insets)

 

 

Estimated Project Timeline

Application Filing – Anticipated in December 2025.

 

PUC Decision – Anticipated in June 2026.

 

Oncor Representatives can be contacted regarding the Bell County East – Big Hill 765 kV Transmission Line Project at 214.486.5216 or transmissionprojects@oncor.com

 

LCRA TSC Representatives can be contacted at 512.578.1445 or BCBH@LCRA.org. Additional project details can also be found at www.lcra.org/BCBH.

 

 

 

 

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