Fratt Substation - 138 kV Electrical Substation in San Antonio, Texas

Fratt Substation is an operational electrical substation located in San Antonio, Texas, United States. Owned and operated by CPS Energy, the facility plays a key role in the local power distribution network, stepping down transmission-level voltage for residential and commercial use. The substation operates at 138 kV, a common voltage level for subtransmission systems in the United States. As part of CPS Energy's infrastructure, it adheres to North American Electric Reliability Corporation (NERC) reliability standards and Federal Energy Regulatory Commission (FERC) regulations, ensuring grid stability and compliance with mandatory cybersecurity and physical security protocols. Situated in a rapidly growing urban area, Fratt Substation supports the energy needs of San Antonio's expanding population and economy. Its strategic location within the CPS Energy network enhances grid resilience and facilitates integration of distributed energy resources, contributing to the region's energy reliability and sustainability goals.

Located in an urban setting in San Antonio, Texas, Fratt Substation operates in a region with hot summers and increasing electricity demand. The substation's 138 kV infrastructure supports grid stability and helps manage peak loads, reducing the risk of outages. Its location within a built environment minimizes direct ecological impact while enabling efficient power delivery to residential and commercial areas.