Overview
Terrell Hills Substation is an operational substation in San Antonio, Texas, owned and operated by CPS Energy. It operates at 138 kV, serving the local electrical grid.
Terrell Hills 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 regional power distribution network. The substation operates at a voltage of 138 kV, which is typical for sub-transmission and distribution-level infrastructure in the United States. As part of CPS Energy's grid, the substation is subject to regulatory oversight by the Public Utility Commission of Texas and adheres to NERC reliability standards. The facility's 138 kV voltage level places it in the medium-to-high voltage range, supporting the delivery of electricity from transmission lines to local distribution networks. The substation likely includes switchgear, transformers, and protection systems compliant with IEEE and NERC standards. The substation's location in a residential area of San Antonio underscores its role in providing reliable electricity to urban communities. Its operational status ensures continued grid stability and power supply to homes and businesses. The facility contributes to the resilience of the local electrical infrastructure, supporting CPS Energy's service area in Bexar County.
Environmental context
The substation is situated in an urban residential area of San Antonio, Texas, where land use is dominated by housing and commercial development. The facility's operation involves electromagnetic fields and potential noise from transformers, but modern substations are designed to minimize environmental impact. The surrounding area's electrical demand is typical of a suburban environment, with the substation supporting local grid stability.
Frequently asked questions
Terrell Hills Substation is located in San Antonio, Texas, United States, at coordinates 29.486646, -98.446779.
Terrell Hills Substation is owned and operated by CPS Energy, the municipal electric utility serving San Antonio and Bexar County.
Terrell Hills Substation operates at 138 kV, which is a common voltage for sub-transmission and distribution substations in the United States.
Substations in the United States must comply with NERC reliability standards for grid stability, as well as IEEE and local utility regulations. CPS Energy, as a public utility, is also subject to Texas state regulatory oversight.
A 138 kV substation typically steps down voltage from higher transmission levels (e.g., 345 kV) to distribution levels (e.g., 12 kV or 34.5 kV), serving as a critical node for delivering electricity to residential and commercial areas.