Overview
Talley Road Substation is an operational electrical substation in Texas, United States, owned and operated by CPS Energy. It operates at 138 kV, serving the San Antonio area.
Talley Road Substation is an operational electrical substation located in Texas, United States. Owned and operated by CPS Energy, the facility is a key component of the regional power grid, stepping down transmission voltage for local distribution. The substation operates at 138 kV, a common voltage level for subtransmission networks in the United States. As part of CPS Energy's infrastructure, it adheres to NERC reliability standards and FERC regulations, ensuring grid stability and compliance with federal and state requirements. The facility likely utilizes modern switchgear and automation systems to manage power flow efficiently. Located in a rural area west of San Antonio, the substation supports the growing energy demands of the region. Its role in the electrical infrastructure is critical for maintaining reliable power supply to residential, commercial, and industrial customers, contributing to the overall resilience of the Texas Interconnection.
Environmental context
The substation is situated in a rural area with low population density, reducing direct environmental impact. Its 138 kV voltage level indicates a medium-scale facility that integrates into the broader transmission network. The surrounding landscape is characterized by open grasslands and scattered development, minimizing ecological disruption. CPS Energy's operations are subject to environmental regulations that manage electromagnetic fields, oil containment, and stormwater runoff.
Frequently asked questions
Talley Road Substation is located in Texas, United States, near the coordinates 29.5235° N, 98.8099° W, west of San Antonio.
Talley Road Substation is owned and operated by CPS Energy, the municipally owned electric utility serving San Antonio and surrounding areas.
Talley Road Substation operates at 138 kV, a standard subtransmission voltage level used to distribute power from high-voltage transmission lines to local distribution networks.
As part of the US electrical grid, Talley Road Substation must comply with NERC reliability standards for grid stability and FERC regulations for interstate transmission. CPS Energy also follows Texas state utility regulations.
A 138 kV substation steps down high-voltage transmission power (typically 230 kV or higher) to lower voltages for distribution to industrial, commercial, and residential customers, ensuring efficient and reliable electricity delivery.