Overview
Pearsall Road Substation is an operational 138 kV substation owned and operated by CPS Energy in San Antonio, Texas, United States, supporting regional grid stability.
Pearsall 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 local power distribution network, stepping down transmission-level voltage for residential and commercial use. As a medium-voltage substation, it is typical of urban infrastructure supporting a growing metropolitan area. 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 grid stability. CPS Energy, the municipal utility serving San Antonio, manages a diverse generation portfolio including natural gas, nuclear, and renewable sources, with this substation serving as a critical node in the distribution system. Located in a densely populated urban area, Pearsall Road Substation provides essential electricity to homes and businesses, contributing to the economic vitality of the region. Its operational status and voltage level indicate a moderate scale facility that supports grid resilience and load balancing, particularly during peak demand periods in the hot Texas climate.
Environmental context
The substation is situated in an urban environment in San Antonio, where land use is dominated by residential and commercial development. The surrounding area experiences hot summers, increasing electricity demand for air conditioning. As a 138 kV facility, it operates at a voltage level that balances transmission efficiency with local distribution needs, minimizing visual and electromagnetic footprint while supporting grid reliability.
Frequently asked questions
Pearsall Road Substation is located in San Antonio, Texas, United States, at coordinates 29.356935, -98.601439.
Pearsall Road Substation operates at 138 kV (138,000 volts), a common voltage for subtransmission and distribution substations in the United States.
Pearsall Road Substation is owned and operated by CPS Energy, the municipal electric and gas utility serving San Antonio, Texas.
As part of the US power grid, Pearsall Road Substation must comply with NERC reliability standards and FERC regulations, ensuring safe and reliable operation.
A 138 kV substation steps down transmission voltage for local distribution, serving as a critical link between high-voltage transmission lines and lower-voltage distribution networks that supply homes and businesses.