Overview
South McAllen Substation is an operational electrical substation in Texas, United States, operated by American Electric Power. It operates at 138 kV, serving the local grid.
South McAllen Substation is an operational electrical substation located in Texas, United States. Owned and operated by American Electric Power, a major utility in the region, the facility plays a key role in the local 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. 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. As part of the Electric Reliability Council of Texas (ERCOT) interconnection, the facility adheres to regional grid reliability requirements. The 138 kV voltage level indicates it serves as a critical link between high-voltage transmission and local distribution networks. Located in the Rio Grande Valley, the substation supports the growing electrical demand of McAllen and surrounding communities. Its operational status ensures stable power supply for residential, commercial, and industrial users in the area. The facility's role in the grid underscores its importance for regional energy reliability and economic activity.
Environmental context
The substation is situated in an urban area of McAllen, Texas, within the semi-arid climate of the Rio Grande Valley. Electrical infrastructure in this region must withstand high temperatures and occasional extreme weather events. The facility's 138 kV voltage level places it in a category that requires careful management of electromagnetic fields and noise, though modern substations are designed to minimize environmental impact. Its location in a populated area emphasizes the need for safety and reliability in grid operations.
Frequently asked questions
South McAllen Substation is located in McAllen, Texas, United States, at coordinates 26.160533, -98.251520.
The substation is owned and operated by American Electric Power, a major electric utility in the United States.
South McAllen Substation operates at 138 kV, a common voltage for sub-transmission and distribution substations in the US.
As part of the US power grid, the substation must comply with NERC reliability standards and FERC regulations, as well as ERCOT regional requirements.
A 138 kV substation typically steps down transmission voltage for distribution to local networks, serving as a critical node for reliable power delivery to communities and industries.