Overview
Weslaco Substation is an operational electrical substation in Texas, United States, operated by South Texas Electric Cooperative. It operates at 138 kV, serving the local grid.
Weslaco Substation is an operational electrical substation located in Texas, United States. It is owned and operated by South Texas Electric Cooperative, a generation and transmission cooperative serving member cooperatives in south Texas. The substation operates at a voltage of 138 kV, placing it in the sub-transmission to transmission voltage range typical for regional power distribution. As part of the South Texas Electric Cooperative system, Weslaco Substation plays a role in the broader Texas Interconnection grid, which operates under the jurisdiction of the Electric Reliability Council of Texas (ERCOT). The facility adheres to NERC reliability standards and FERC regulations for transmission-level assets. The 138 kV voltage level is common for substations that step down power from higher transmission voltages to distribution levels. The substation supports the electrical infrastructure of the Weslaco area and surrounding communities in Hidalgo County. Its operation contributes to grid stability and reliability in the Rio Grande Valley region, which experiences high demand due to agricultural and residential growth. The facility's location in a rural-urban interface underscores its importance for local power distribution.
Environmental context
The substation is situated in the Lower Rio Grande Valley, a region characterized by a subtropical climate with hot summers and mild winters. The area is prone to extreme weather events such as hurricanes and severe thunderstorms, which can impact grid reliability. The substation's design likely includes measures to withstand such conditions, such as elevated equipment and robust grounding. The surrounding landscape is primarily agricultural and urban, with the substation's footprint minimized to reduce land use impact.
Frequently asked questions
Weslaco Substation is located in Texas, United States, near the city of Weslaco in Hidalgo County. Its coordinates are approximately 26.232653 N, -97.975451 W.
Weslaco Substation operates at a voltage of 138 kV (138,000 volts), which is typical for sub-transmission and transmission-level substations in the United States.
Weslaco Substation is owned and operated by South Texas Electric Cooperative, a generation and transmission cooperative that provides power to member distribution cooperatives in south Texas.
As part of the ERCOT grid in Texas, Weslaco Substation must comply with NERC reliability standards and FERC regulations for transmission assets. These standards cover grid stability, maintenance, and cybersecurity.
A 138 kV substation typically steps down high-voltage transmission power to lower voltages for distribution to homes and businesses. It also provides switching and protection functions to maintain grid reliability.