Comal Street Substation - 138 kV Electrical Substation in San Antonio, Texas

Comal Street Substation is an electrical substation located in San Antonio, Texas, United States. Owned and operated by CPS Energy, the facility is operational and plays a key role in the regional power distribution network. With a voltage level of 138 kV, it is classified as a high-voltage substation, typical for urban infrastructure supporting residential and commercial loads. The substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), which enforce reliability standards for the bulk power system. CPS Energy, as a municipally owned utility, adheres to these standards to ensure grid stability. The 138 kV voltage level is common for subtransmission and distribution substations in the United States, bridging transmission and local distribution networks. As part of the San Antonio grid, Comal Street Substation contributes to the reliable delivery of electricity to the community. Its urban location underscores its importance in maintaining power quality and supporting the city's growing energy demands. The substation's operational status ensures continued service to the surrounding area, aligning with CPS Energy's commitment to providing safe and reliable power.

Located in an urban area of San Antonio, the substation's environmental context is shaped by its proximity to residential and commercial zones. The 138 kV voltage level indicates a moderate scale of electrical infrastructure, with typical considerations for electromagnetic field management and noise mitigation. The site's urban setting means it is subject to local land-use regulations and community engagement requirements, though specific environmental impacts are managed through standard utility practices.