Overview
Pearsall Switchyard is a substation in Texas, United States, operated by South Texas Electric Cooperative. It operates at 138 kV and 69 kV voltage levels.
Pearsall Switchyard is a substation located in Texas, United States, and is operated by South Texas Electric Cooperative. The facility operates at voltage levels of 138 kV and 69 kV, indicating its role in both transmission and sub-transmission within the regional grid. As part of the U.S. electrical infrastructure, this substation falls under the regulatory oversight of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC) for reliability standards. The facility likely employs standard substation automation protocols such as IEC 61850 for communication and control. The substation serves the South Texas region, supporting the cooperative's distribution network. Its location in a rural area suggests it plays a key role in providing reliable power to local communities and agricultural operations. The dual voltage levels enhance grid flexibility and stability.
Environmental context
Located in south-central Texas, the substation operates in a region characterized by hot summers and mild winters, with occasional extreme weather events such as thunderstorms and hurricanes. The rural setting minimizes direct environmental impact, but the facility's voltage levels and criticality to grid stability require robust design to withstand local climate conditions. The surrounding area includes agricultural land and natural habitats, necessitating careful management of electromagnetic fields and vegetation.
Frequently asked questions
Pearsall Switchyard is located in Texas, United States, near coordinates 28.927425, -99.092513.
Pearsall Switchyard operates at 138 kV and 69 kV voltage levels, serving both transmission and sub-transmission functions.
Pearsall Switchyard is operated by South Texas Electric Cooperative, a member-owned utility serving the region.
As part of the U.S. electrical grid, the substation must comply with NERC reliability standards and FERC regulations for transmission-level assets.
Substations like Pearsall Switchyard transform voltage levels and route electricity, ensuring stable power distribution to homes and businesses.