A recent Texas transmission decision offers a useful reminder for anyone involved in routing utility infrastructure: the preferred route is not necessarily the final route, and landowners are not simply dots on a map.
On September 11, the Public Utility Commission of Texas approved the Howard-Solstice transmission line, an approximately 370-mile, 765-kV project extending from the San Antonio area toward West Texas. Before approving it, however, the Commission changed a significant portion of the proposed route north of Uvalde.
The revised route makes greater use of existing transmission corridors. Commissioners also directed the utilities to continue working with affected landowners to reduce impacts on individual properties.
According to the San Antonio Express-News[1], landowner participation played a direct role in the decision. One concern raised during the proceeding was that only about four miles of the original 370-mile proposal would have paralleled existing transmission lines.
That detail apparently mattered.
Existing corridors are more than lines on a map
At first glance, following an existing transmission corridor can look like the obvious way to reduce impacts. In practice, it raises another set of questions.
Who owns the underlying property? How wide is the existing right-of-way? Does the current easement permit additional facilities, larger structures or higher voltages? Is there enough usable width once conductor blowout, access, drainage, terrain and existing improvements are considered?
An existing corridor may be the best alternative. It may also contain legal and physical constraints that are not apparent from aerial imagery or planning-level GIS.
That is why meaningful corridor analysis requires more than drawing a buffer around an existing line. It should combine property-rights research, parcel data, field conditions, environmental constraints, constructability and practical effects on individual landowners.
Landowner engagement can change the project
The decision also illustrates the value of documenting landowner concerns early enough for them to influence routing.
Landowners often know things that are missing from the initial data. They know where property access becomes difficult, which fields are actively cultivated, where drainage problems occur, how farm operations move across a parcel and which areas carry family or community importance.
Not every concern will justify a route change. But each material concern should be connected to a location, evaluated and given a documented disposition.
That record serves several purposes. It improves route analysis, supports the eventual regulatory record and demonstrates that public engagement was part of the decision-making process rather than a box checked after the preferred route was already selected.
Route certainty should control when money is spent
Late routing changes can have a substantial downstream cost. Title work, surveys, appraisals, environmental studies and acquisition efforts may need to be revised or abandoned when the selected corridor moves.
Utilities can reduce that exposure by assigning route-certainty levels and matching the scope of work to each level. Preliminary alternatives may justify parcel screening and ownership research. More expensive title, survey and acquisition work can be concentrated on segments that have reached a higher degree of regulatory and engineering certainty.
The Howard-Solstice decision is specific to Texas, but its lessons are broader. Regulators are paying closer attention to existing corridors, parcel impacts and the quality of landowner engagement. Michigan is considering many of the same issues as it looks at transmission expansion and greater use of existing rights-of-way.
NSI Consulting & Development helps utilities connect route analysis with property-rights research, GIS, field verification and landowner engagement. If your team is evaluating alternative corridors or preparing a project for the acquisition stage, an early review can identify issues before they become late and expensive route changes.
[1] Brown, K. (2026, September 15). Hill Country landowners’ pushback reshaped this massive power line’s route. San Antonio Express-News. https://www.expressnews.com/business/article/texas-howard-solstice-route-change-hill-country-22426331.php
