Overview
Round Rock Substation is an operational electrical substation in Texas, United States, owned and operated by Oncor. It handles voltages of 138 kV, 25 kV, and 12.5 kV, serving the Round Rock area.
Round Rock Substation is an operational electrical substation located in Round Rock, Texas, United States. Owned and operated by Oncor, a major transmission and distribution utility in Texas, this facility plays a key role in the regional power grid. The substation handles multiple voltage levels, including 138 kV for transmission and 25 kV and 12.5 kV for distribution, indicating its function as a step-down substation connecting high-voltage transmission lines to local distribution networks. As part of the Electric Reliability Council of Texas (ERCOT) grid, Round Rock Substation operates under the regulatory framework of the Public Utility Commission of Texas (PUCT) and adheres to NERC reliability standards. The substation's voltage levels and configuration are typical for medium-to-large substations serving suburban and urban areas, with 138 kV being a common transmission voltage in the United States. The facility's equipment likely includes circuit breakers, transformers, and switchgear designed to ensure reliable power delivery. The substation is situated in a rapidly growing region north of Austin, supporting residential, commercial, and industrial customers. Its operational status and connection to Oncor's network contribute to grid stability and power quality in the area. The facility's role in voltage transformation and distribution is critical for meeting local electricity demand and integrating renewable energy sources as Texas expands its clean energy portfolio.
Environmental context
Round Rock Substation is located in a suburban area of central Texas, a region characterized by hot summers and increasing electricity demand due to population growth. The substation's operation involves electromagnetic fields and potential oil leakage from transformers, which are managed through standard environmental safeguards. Its location near residential and commercial zones requires adherence to noise and safety regulations. The facility supports the integration of renewable energy, such as wind and solar, by stabilizing voltage and frequency on the ERCOT grid.
Frequently asked questions
Round Rock Substation is located in Round Rock, Texas, United States, at coordinates 30.521205, -97.702156.
Round Rock Substation is owned and operated by Oncor, a major electric transmission and distribution utility serving Texas.
Round Rock Substation handles transmission voltage of 138 kV and distribution voltages of 25 kV and 12.5 kV, typical for a step-down substation.
As part of the ERCOT grid, the substation operates under the Public Utility Commission of Texas (PUCT) and complies with NERC reliability standards for grid stability.
Substations like Round Rock transform voltage levels between transmission and distribution networks, ensuring safe and reliable electricity delivery to homes and businesses.