ABILENE, Texas — A proposed high-voltage transmission line that could stretch more than 200 miles across parts of West Texas is drawing concerns from landowners as state regulators consider where it would be built, prompting state Rep. David Spiller to call for more time to study potential impacts and alternative routes.

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Oncor Electric Delivery Company has proposed the Dinosaur–Longshore 765-kilovolt Transmission Line Project as part of a broader effort to upgrade what it describes as an outdated power grid in the region. The project would include more than 200 miles of transmission lines running through areas of West Texas, with the final route still pending approval from the Public Utility Commission of Texas.

The plan includes steel lattice towers carrying 765-kilovolt lines, a higher voltage than what is currently common across much of Texas. Oncor says the technology is widely used across the United States and is designed to move electricity farther and more efficiently, reducing strain on the grid as demand continues to grow.

Residents have raised concerns about potential impacts to private property, land value, and the visual and environmental footprint of large transmission towers.

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The Public Utility Commission of Texas will decide the final route after reviewing proposals and public input. If approved, the project is currently planned for completion in 2028.

In a letter, Spiller, a Republican who represents House District 68, said his role “is not to choose sides among my constituents,” but to provide oversight and ensure the Public Utility Commission of Texas follows the law and established procedures and that affected voices are heard.

Spiller said two transmission line routes under consideration could affect House District 68: Oncor’s proposed Dinosaur–Longshore 765 kV Transmission Line Project running from Glen Rose to Big Spring, with alternative routes potentially affecting Comanche, Brown and/or Eastland counties; and the proposed Bell County East–Big Hill 765 kV Transmission Line Project, proposed by the Lower Colorado River Authority and Oncor, running from Temple to the Big Hill Substation south of San Angelo, with alternative routes potentially affecting Lampasas and San Saba counties.

“Brown, Comanche, Eastland, Lampasas and San Saba are all counties within my district,” Spiller wrote, adding that in recent weeks his office has spoken with local officials, landowners, stakeholders and community members who have expressed concerns about the proposed routes.

Spiller said he has asked the Public Utility Commission of Texas to allow more time “to fully study the potential impacts of these projects and to evaluate possible alternative routes that may address these concerns,” and said he has also contacted Oncor to request additional time for public input and review.