Overview
Emma Substation is an operational electrical substation in Texas, United States, owned and operated by Oncor. It operates at a voltage of 138 kV, serving the local grid.
Emma Substation is an operational electrical substation located in Texas, United States. Owned and operated by Oncor, a major transmission and distribution utility in the state, the facility plays a key role in the regional electrical infrastructure. With a voltage level of 138 kV, it is classified as a high-voltage substation, typical for subtransmission and distribution networks. The substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), which set reliability standards for the bulk power system. Oncor, as a transmission service provider, must comply with these standards to ensure grid stability. The 138 kV voltage level is common for interconnecting local distribution systems with higher-voltage transmission lines. Emma Substation contributes to the reliability of the electrical grid in the Permian Basin region, an area known for its energy industry. By stepping down voltage for local distribution, it supports residential, commercial, and industrial customers. The facility's operational status ensures continued service to the community, aligning with Oncor's commitment to safe and reliable electricity delivery.
Environmental context
The substation is located in a semi-arid region of West Texas, characterized by low rainfall and high evaporation rates. Electrical infrastructure in such areas must be designed to withstand temperature extremes and dust. The 138 kV voltage level indicates moderate environmental footprint, with typical considerations for electromagnetic fields and noise. The rural setting reduces direct impact on sensitive ecosystems, but the facility supports energy-intensive industries in the region.
Frequently asked questions
Emma Substation is located in Texas, United States, at coordinates 32.153797, -102.592574. It is owned and operated by Oncor.
Emma Substation operates at a voltage of 138 kV, which is a common subtransmission voltage level in the United States.
Emma Substation is owned and operated by Oncor, a major electric transmission and distribution utility serving Texas.
Emma Substation must comply with NERC reliability standards and FERC regulations, which govern the reliability and security of the bulk power system in the United States.
A 138 kV substation typically steps down voltage from higher transmission levels for distribution to local networks, serving industrial, commercial, and residential customers.