Overview
Choke Canyon Prison Substation is an operational electrical substation in Texas, United States, owned and operated by South Texas Electric Cooperative. It operates at a voltage of 69 kV, serving the local grid.
Choke Canyon Prison Substation is an operational electrical substation located in Texas, United States. Owned and operated by South Texas Electric Cooperative, the facility is part of the regional electrical infrastructure that supports power distribution in the area. The substation operates at a voltage of 69 kV, which is typical for sub-transmission and distribution-level assets in rural and semi-urban settings. As a substation within the United States, Choke Canyon Prison Substation operates under the regulatory framework established by the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC). These bodies enforce reliability standards for the bulk power system, ensuring grid stability and security. The 69 kV voltage level places this facility in a medium-voltage category, often serving as a link between high-voltage transmission and local distribution networks. The substation's location in Texas, a state with a large and diverse energy mix including wind, solar, and natural gas, underscores its role in integrating various generation sources into the grid. Its operational status contributes to the reliability of electricity supply for nearby communities and industrial users, supporting the broader electrical infrastructure of the region.
Environmental context
The substation is situated in a rural area of Texas, characterized by a mix of agricultural land and natural habitats. The local environment is subject to periodic drought conditions and extreme weather events, including hurricanes and thunderstorms, which can impact grid reliability. The facility's design and maintenance practices likely incorporate measures to withstand such conditions, ensuring continuous operation. The surrounding ecosystem includes grasslands and brushlands, supporting wildlife such as white-tailed deer and various bird species.
Frequently asked questions
Choke Canyon Prison Substation is located in Texas, United States, near the Choke Canyon Reservoir area. Its coordinates are approximately 28.44° N, 98.32° W.
Choke Canyon Prison Substation operates at a voltage of 69 kV, which is a common voltage for sub-transmission and distribution substations in the United States.
Choke Canyon Prison Substation is owned and operated by South Texas Electric Cooperative, a member-owned utility serving rural areas in south Texas.
In the United States, substations are subject to NERC reliability standards for grid stability and FERC regulations for interstate electricity transmission. These standards cover equipment maintenance, cybersecurity, and operational protocols.
A 69 kV substation typically serves as a distribution substation, stepping down voltage from higher transmission levels (e.g., 138 kV or 230 kV) to lower voltages for local distribution. It may also interconnect distributed generation sources.