Overview
Mauermann Road Substation is an operational 138 kV substation owned and operated by CPS Energy in San Antonio, Texas, serving the local electrical grid.
Mauermann Road Substation is a 138 kV electrical substation located in San Antonio, Texas, United States. Owned and operated by CPS Energy, the facility plays a key role in the regional power distribution network, stepping down transmission voltage for local distribution. The substation operates at 138 kV, a common voltage level for sub-transmission and distribution in the United States. As part of CPS Energy's infrastructure, it is subject to NERC reliability standards and FERC regulations for grid stability. The facility's urban location in San Antonio supports a dense population and commercial load. Environmentally, the substation's operation is critical for maintaining grid reliability in a growing metropolitan area. Its role in voltage regulation and load balancing helps reduce transmission losses and supports integration of distributed energy resources. The facility contributes to the resilience of the local electrical infrastructure.
Environmental context
Located in an urban area of San Antonio, the substation operates in a climate with hot summers and mild winters, which drives high air-conditioning demand. The facility's 138 kV voltage level is typical for sub-transmission, balancing efficiency and safety. Its urban setting requires careful management of electromagnetic fields and noise, though modern substations are designed to mitigate these impacts.
Frequently asked questions
Mauermann Road Substation is located in San Antonio, Texas, United States, at coordinates 29.284534, -98.507497.
Mauermann Road Substation operates at 138 kV, a common sub-transmission voltage level used for distributing power from transmission lines to local distribution networks.
Mauermann Road Substation is owned and operated by CPS Energy, the municipal electric utility serving San Antonio and surrounding areas.
Substations in the United States 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 138 kV) to lower voltages for distribution to homes and businesses. It also provides switching and protection functions to maintain grid reliability.