Overview
Illinnois #4 Substation is an operational electrical substation in Texas, United States, owned by American Electric Power. It operates at 138 kV and 69 kV, serving regional grid stability.
Illinnois #4 Substation is an operational electrical substation located in Texas, United States, owned and operated by American Electric Power (AEP). The facility operates at voltage levels of 138 kV and 69 kV, indicating a medium-voltage substation that plays a role in regional power distribution and transmission. As part of AEP's extensive network, this substation supports the reliability of the local grid. In the United States, substations like Illinnois #4 are subject to NERC reliability standards and FERC regulation for transmission-level assets. The facility's dual voltage levels suggest it serves both sub-transmission and distribution functions, typical for substations in rural or suburban areas. AEP, a major utility in the region, operates numerous such facilities to maintain grid stability. The substation's location in Texas, a state with significant energy demand and a diverse generation mix, underscores its importance in balancing load and ensuring power quality. Its operational status contributes to the resilience of the local electrical infrastructure, supporting residential, commercial, and industrial customers in the area.
Environmental context
The substation is situated in a rural area of Texas, where the local environment is characterized by semi-arid conditions and sparse vegetation. Electrical infrastructure in such settings must be designed to withstand extreme weather events, including heatwaves and occasional storms. The facility's voltage levels and equipment age are critical factors for grid stability, with modern switchgear and automation enhancing reliability and reducing environmental impact.
Frequently asked questions
Illinnois #4 Substation is located in Texas, United States, at coordinates approximately 30.55° N, 101.54° W.
The substation operates at 138 kV and 69 kV, making it a medium-voltage facility that handles both transmission and distribution functions.
The substation is owned and operated by American Electric Power (AEP), a major utility company in the United States.
Substations in the US are regulated by NERC reliability standards and FERC for transmission-level assets, ensuring grid stability and compliance with federal guidelines.
The substation helps distribute power from transmission lines to local distribution networks, supporting residential, commercial, and industrial customers in the region.