Overview
Rafter Substation is an operational electrical substation in Texas, United States, owned and operated by CPS Energy. It operates at a voltage of 138 kV, serving the local grid.
Rafter Substation is an operational electrical substation located in Texas, United States. Owned and operated by CPS Energy, the facility plays a key role in the regional power distribution network. With a voltage level of 138 kV, it is classified as a medium-voltage substation, typical for sub-transmission and distribution applications. 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. CPS Energy, as a municipal utility, adheres to these standards to ensure grid stability and safety. The facility's 138 kV voltage level is common for connecting distribution networks to higher-voltage transmission lines. As part of CPS Energy's infrastructure, Rafter Substation supports electricity delivery to residential, commercial, and industrial customers in the San Antonio area. Its operational status ensures continued reliability of the local grid, contributing to the region's energy security and economic activity.
Environmental context
The substation is located in a semi-urban area of Texas, where electrical infrastructure must balance reliability with environmental considerations. The 138 kV voltage level indicates a role in distributing power from transmission lines to local networks, with typical environmental impacts limited to land use and electromagnetic fields. The facility's operation is subject to NERC and FERC regulations that include environmental compliance measures.
Frequently asked questions
Rafter Substation is located in Texas, United States, at coordinates 29.416694, -98.806208. It is owned and operated by CPS Energy.
Rafter Substation operates at a voltage of 138 kV, which is a common voltage level for sub-transmission and distribution substations in the United States.
Rafter Substation is owned and operated by CPS Energy, a municipal utility serving the San Antonio area.
As part of the U.S. bulk power system, Rafter Substation must comply with NERC reliability standards and FERC regulations, which ensure grid stability and safety.
A 138 kV substation typically steps down voltage from higher transmission lines for distribution to local networks, serving residential, commercial, and industrial customers.