Oncor Electric Delivery Company LLC (Oncor) has applied to amend its certificate of convenience and necessity to construct, own, and operate a new, double-circuit 345 kilovolt (“kV”) transmission line to be built on double-circuit steel lattice towers between Oncor’s planned Border Switch in Loving County and Oncor’s existing Quarry Field Switch in Loving County. The planned Border Switch will be located approximately 7 miles southeast of the intersection of Ranch-to-Market (“RM”) 652 and County Road (“CR”) 300. The Quarry Field Switch is located approximately 9 miles south of the planned Border Switch. The length of the project is approximately 10.2 to 16.1 miles, depending on which route is selected by the Public Utility Commission of Texas (the “Commission” or “PUC”).

Voltage and Structure Type – The project includes a new double-circuit 345 kV transmission line, constructed on steel tower structures.

Application Filing – On March 27, 2025 Oncor filed an Application at the Public Utility Commission of Texas (PUCT) under Docket No. 57837 to construct and operate the proposed project. Click here for access to the docket on the PUCT Interchange.

PUCT Decision - Approved on July 11, 2025. Click here to review the Notice of Approval.

Oncor Representatives can be contacted regarding the Border Switch – Quarry Field Switch 345 kV Transmission Line Project at 214.486.5216.