Overview
Karnes City Substation is an operational electrical substation in Texas, United States, owned and operated by American Electric Power. It operates at a voltage of 138 kV, serving the local grid.
Karnes City Substation is an operational electrical substation located in Texas, United States. Owned and operated by American Electric Power (AEP), this facility plays a role in the regional transmission network. With a voltage level of 138 kV, it is classified as a high-voltage substation, typical for distributing power from transmission lines to local distribution systems. Operating under the regulatory framework of the United States, this substation adheres to standards set by the North American Electric Reliability Corporation (NERC) for grid reliability and security. The facility is subject to Federal Energy Regulatory Commission (FERC) oversight for transmission-level assets. AEP, as a major utility, ensures compliance with these regulations to maintain stable and secure electricity supply. The substation's location in Karnes City, Texas, places it within a region with significant energy infrastructure, including natural gas and renewable generation. Its role in the grid supports local communities and industrial activities. The facility's operational status and voltage level indicate its importance in maintaining grid stability and meeting regional electricity demand.
Environmental context
The Karnes City Substation is situated in a rural area of Texas, where the local environment includes agricultural lands and some oil and gas operations. Substations like this one are typically designed with minimal environmental footprint, focusing on safe operation and containment of any potential oil or SF6 leaks. The facility's location away from dense urban areas reduces direct environmental impact, while its role in the grid supports the integration of renewable energy sources in the region.
Frequently asked questions
Karnes City Substation is located in Texas, United States, near the city of Karnes City. Its coordinates are approximately 28.86° N, -97.88° W.
Karnes City Substation operates at a voltage of 138 kV, which is a common high-voltage level for transmission and sub-transmission in the United States.
Karnes City Substation is owned and operated by American Electric Power (AEP), a major utility company in the United States.
In the United States, substations like Karnes City must comply with NERC reliability standards for grid stability and FERC regulations for transmission assets. These standards cover cybersecurity, maintenance, and operational protocols.
A 138 kV substation typically steps down voltage from higher transmission levels (e.g., 345 kV) to distribution levels (e.g., 69 kV or lower), serving as a critical node for power flow to local communities and industries.