To continue to provide safe and reliable electric service in this area, Oncor Electric Delivery Company LLC (Oncor) is proposing to construct a double-circuit 345 kilovolt (kV) transmission line, with both circuits operational, between Oncor’s existing Rockhound Switch, located approximately 10 miles east of the City of Midland and approximately 0.7 mile south of I-20, to Oncor’s proposed Connell Switch, which would be located approximately 4 miles northeast of the City of Midland and approximately 1 mile west of FM 1212. The Proposed Transmission Line Project is currently planned for completion in 2026.

Voltage and Structure Type – The project includes a new double-circuit capable 345 kV transmission line constructed on self-supporting, monopole structures.

Public Meeting – Notice of public meeting will be published in the Stanton – Martin County Messenger and Midland Reporter - Telegram Newspapers on May 8, 2025. A public meeting has been set for May 15, 2025 at the Martin County Event Center located at 1457 E Business I-20, Stanton, TX 79782 from 5:00 to 6:30 PM. Click here for a copy of the public meeting material.

Application Filing – On September 16, 2025 Oncor filed an Application at the Public Utility Commission of Texas (PUCT) under Docket No. 58519 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 March 12, 2026. Click here for a copy.

Oncor Representatives can be contacted regarding the Rockhound Switch – Connell Switch 345 kV Transmission Line Project at 214.486.5835.