O. W. Sommers Switchyard - 138 kV Substation in Texas, United States

O. W. Sommers Switchyard is a 138 kV substation located in Texas, United States. Owned and operated by CPS Energy, the facility is part of the regional electrical infrastructure supporting the San Antonio metropolitan area. As a switchyard, it plays a key role in voltage transformation and power distribution within the local grid. The substation operates at 138 kV, a common transmission voltage level in the United States, and is subject to NERC reliability standards and FERC regulation. CPS Energy, a municipally owned utility, manages this asset as part of its broader transmission network, ensuring grid stability and compliance with mandatory reliability requirements. This facility is critical for maintaining reliable electricity supply to residential, commercial, and industrial customers in the region. Its operational status and integration into CPS Energy's grid highlight its importance in supporting the energy needs of the growing San Antonio area.

Located in a semi-arid region of Texas, the substation's environmental context includes considerations for heat management and wildfire risk. The 138 kV equipment requires proper insulation and cooling systems to operate efficiently in high temperatures. The facility's urban proximity means it must comply with local noise and electromagnetic field regulations.