Overview
Valley Switching Station (345 kV) is an operational substation in the United States, owned and operated by Oncor. It handles voltages of 345 kV and 138 kV, serving as a key node in the regional transmission grid.
Valley Switching Station (345 kV) is a high-voltage substation located in the United States, owned and operated by Oncor, a major transmission and distribution utility in Texas. The facility is operational and plays a critical role in the electrical infrastructure of the region, stepping down transmission voltages for distribution or interconnecting different parts of the grid. The substation operates at two voltage levels: 345 kV and 138 kV, which are standard transmission voltages in the US. As a switching station, it routes power between transmission lines without transforming voltage, ensuring grid stability and reliability. The facility is part of the Electric Reliability Council of Texas (ERCOT) interconnection, which operates under NERC reliability standards and FERC regulation for interstate transmission. Valley Switching Station supports the electrical needs of surrounding communities and industries by facilitating efficient power flow. Its location in Texas, a state with high energy demand and a robust grid, underscores its importance in maintaining reliable electricity supply. The substation's age and specific equipment are not detailed, but its operational status indicates ongoing contribution to grid resilience.
Environmental context
The substation is situated in a region with a mix of urban and rural areas, where electrical infrastructure is critical for supporting residential, commercial, and industrial loads. The 345 kV voltage level indicates its role in long-distance transmission, which can have land-use implications for transmission corridors. However, substations themselves have a relatively small footprint and are typically designed with environmental safeguards to minimize local impact.
Frequently asked questions
Valley Switching Station (345 kV) is located in the United States, with coordinates approximately 33.6275° N, -96.3704° W. It is owned and operated by Oncor, a utility serving Texas.
Valley Switching Station operates at two voltage levels: 345 kV and 138 kV. These are standard transmission voltages used for bulk power transfer and regional distribution.
Valley Switching Station is owned and operated by Oncor, a regulated electric transmission and distribution utility in Texas. Oncor manages a large network of substations and power lines.
As part of the US electrical grid, Valley Switching Station operates under NERC reliability standards and FERC regulation for transmission-level assets. In Texas, it is also subject to ERCOT protocols.
A switching station routes power between transmission lines without transforming voltage. It allows grid operators to reconfigure the network for maintenance, fault isolation, or load balancing, enhancing reliability.