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CATTLEMAN GASCONADES RETERMINATION 345kV TRANSMISSION LINE PROJECT

To continue to provide safe and reliable electric service in this area, Oncor Electric Delivery Company LLC (Oncor) proposes to disconnect the existing Morgan Creek to Gasconades Creek 345 kV transmission line and the existing Morgan Creek to Bitter Creek/Champion Creek 345 kV transmission line from Oncor’s Morgan Creek Switch and reterminate each line at or near Oncor’s existing Cattleman Switch, which is located approximately 2.10 miles southwest of Morgan Creek Switch in Mitchell County, Texas.  The proposed extension of the Morgan Creek to Gasconades Creek line will result in 2.70 miles of new transmission line, extending from the Cattleman to Gasconades Creek extension point to the existing Cattleman Switch, and establishing the Cattleman to Gasconades Creek single-circuit 345 kV transmission line.  The proposed extension of the Morgan Creek to Bitter Creek/Champion Creek line will result in 2.50 miles of new transmission facilities extending from the Morgan Creek to Bitter Creek/Champion Creek extension point to a termination point approximately 650 feet southeast of the existing Cattleman Switch, creating the Cattleman to Bitter Creek/Champion Creek double-circuit 345 kV transmission line. 

 

The Cattleman to Gasconades Creek extension point is located approximately 0.70 miles southwest of the intersection of County Road (“CR”) 620 and State Highway (“SH”) 163 in Mitchell County, and the Cattleman to Bitter Creek/Champion Creek extension point is located approximately 0.60 miles southwest of the intersection of CR 620 and SH 163 in Mitchell County.  Oncor’s existing Cattleman Switch is located approximately 0.80 miles west of the intersection of South Farm-to-Market Road (“FM”) 2836 and SH 163 in Mitchell County.

 

The Proposed Transmission Line Project will be constructed entirely within existing Oncor right-of-way (“ROW”) on double-circuit steel monopoles.

 

Voltage and Structure Type – The project includes a 345 kV Transmission Line, approximately 2.5 miles in length. The structure will be constructed on self-supporting monopole structures.



PROJECT MAPS

You can download or view a copy of the proposed routing in the maps below.


INTERACTIVE MAP

Explore the proposed transmission route links using our interactive map. This tool allows you to view route links, nearby parcels and other project details in an easy-to-navigate format.

Estimated Project Timeline

 

Application Filing – On February 12, 2026 Oncor filed an Application at the Public Utility Commission of Texas (PUCT) under Docket No. 59307 to construct and operate the proposed project. Click here for access to the docket on the PUCT Interchange.

 

PUC Decision – Notice of Approval was signed on June 16, 2026. Click here for a copy.

 

Oncor Representatives can be contacted regarding the Cattleman Gasconades Retermination 345kV Transmission Line Project at 469-822-6787 or transmissionprojects@oncor.com.