The Hill Country Preservation Coalition has filed a motion to intervene in a Public Utility Commission of Texas (PUC) proceeding over a proposed high-voltage transmission line project that would run from near San Antonio to West Texas.
The coalition’s filing, made March 25 with the commission’s administrative law division, seeks to participate in PUC Docket No. 59336, the review of a joint application by CPS Energy and AEP Texas to amend their Certificates of Convenience and Necessity (CCN) for the Howard- Solstice 765-kilovolt transmission line project.
The project looks to establish a new extra- high-voltage line roughly 300–370 miles long connecting a substation southwest of San Antonio with one near Fort Stockton in Pecos County. It is part of a broader effort approved by the PUC in 2025 under the Permian Basin Reliability Plan to support increasing electricity demands in the region.
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