Overview
Sabinal Substation is an operational electrical substation in Texas, United States, owned and operated by South Texas Electric Cooperative. It operates at 69 kV, serving the regional grid.
Sabinal Substation is an operational electrical substation located in Texas, United States. Owned and operated by South Texas Electric Cooperative, the facility plays a key role in the regional power distribution network. The substation operates at a voltage of 69 kV, which is typical for sub-transmission and distribution-level infrastructure in rural areas. 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. As part of the Electric Reliability Council of Texas (ERCOT) interconnection, the facility adheres to regional grid reliability requirements. The 69 kV voltage level indicates a medium-voltage substation that steps down power from higher transmission voltages for local distribution. Sabinal Substation supports the electrical infrastructure of the surrounding rural community in south-central Texas. It contributes to grid stability and reliability for residential, agricultural, and commercial customers in the area. The facility's operational status ensures continued service to the region, aligning with the cooperative's mission to provide reliable electricity to its members.
Environmental context
Located in a rural area of south-central Texas, the Sabinal Substation operates in a region characterized by hot summers and mild winters, with occasional extreme weather events such as thunderstorms and heatwaves. The substation's 69 kV equipment is typical for rural distribution, with lower environmental footprint compared to high-voltage transmission lines. The facility's design includes standard measures to minimize wildlife interactions and manage vegetation around the site.
Frequently asked questions
Sabinal Substation is located in Texas, United States, near the coordinates 29.298851, -99.463589. It serves the rural area around Sabinal and is part of the South Texas Electric Cooperative network.
Sabinal Substation operates at 69 kV (69,000 volts), which is a common voltage for sub-transmission and distribution substations in rural areas of the United States.
Sabinal Substation is owned and operated by South Texas Electric Cooperative, a member-owned utility providing electricity to communities in south-central Texas.
As part of the U.S. bulk power system, Sabinal Substation must comply with NERC reliability standards and FERC regulations. It also operates within the ERCOT interconnection, which has additional regional grid reliability requirements.
A 69 kV substation typically steps down higher transmission voltages (e.g., 138 kV) to distribution voltages (e.g., 12.47 kV) for local delivery. It also provides switching and protection functions to maintain grid stability and reliability.