Westover Hills Substation - 138 kV Electrical Substation in San Antonio, Texas

Westover Hills Substation is an operational electrical substation located in San Antonio, Texas, United States. Owned and operated by CPS Energy, the facility operates at a voltage of 138 kV, classifying it as a high-voltage substation critical for regional power distribution. The substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), ensuring compliance with reliability standards for transmission-level assets. As part of CPS Energy's network, it supports the electric infrastructure serving the San Antonio metropolitan area. This facility plays a key role in maintaining grid stability and delivering electricity to residential, commercial, and industrial customers in the region. Its location in a growing urban area underscores its importance for meeting increasing energy demand and supporting local economic activity.

Located in an urban area of San Antonio, the substation's operation involves electromagnetic fields and potential impacts on local wildlife, though modern design minimizes ecological disruption. The facility's 138 kV voltage level places it within the transmission network, requiring careful siting to balance grid reliability with community and environmental considerations.