Overview
McGregor Hercules Substation is an operational electrical substation in Texas, United States, owned and operated by Oncor. It handles voltage levels of 69 kV and 12.5 kV, serving the local grid.
McGregor Hercules Substation is an operational electrical substation located in Texas, United States. Owned and operated by Oncor, a major transmission and distribution utility in the state, the facility plays a role in the regional power grid. The substation handles voltage levels of 69 kV and 12.5 kV, indicating it serves both sub-transmission and distribution functions. As part of the U.S. electrical infrastructure, the substation operates under the regulatory oversight of the Federal Energy Regulatory Commission (FERC) for wholesale electricity markets and the North American Electric Reliability Corporation (NERC) for reliability standards. Oncor, as a transmission service provider, must comply with NERC's Critical Infrastructure Protection (CIP) standards and Texas's regional grid requirements managed by the Electric Reliability Council of Texas (ERCOT). The substation's dual voltage levels suggest it steps down power from higher transmission voltages to distribution levels for local consumers. The substation's location in rural Texas supports the electrical needs of the surrounding community, including residential, agricultural, and possibly industrial customers. Its operational status ensures continued reliability of power supply in the area. The facility's age and specific equipment details are not publicly available, but typical substations of this scale incorporate modern switchgear and protection systems to maintain grid stability.
Environmental context
The substation is situated in a rural area of Texas, where the local environment includes open grasslands and agricultural lands. Electrical infrastructure in such settings must consider potential impacts on wildlife, particularly birds and other species that may interact with power lines. The substation's operation involves electromagnetic fields and potential noise, but modern design typically mitigates these effects. The surrounding ecosystem benefits from the reliable power supply that supports local farming and community services.
Frequently asked questions
McGregor Hercules Substation is located in Texas, United States, near the city of McGregor. Its coordinates are approximately 31.399090 N, -97.471139 W.
The substation handles voltage levels of 69 kV (sub-transmission) and 12.5 kV (distribution), indicating it serves both transmission and distribution functions in the local power grid.
The substation is owned and operated by Oncor, a major electric transmission and distribution utility serving Texas. Oncor manages over 140,000 miles of power lines and 3.3 million meters.
In the United States, substations must comply with NERC reliability standards, including CIP for cybersecurity, and FERC regulations for transmission. In Texas, ERCOT sets additional regional requirements for grid reliability.
Substations transform voltage levels, switch circuits, and protect the grid. They step down high transmission voltages to lower distribution voltages for safe delivery to homes and businesses, ensuring stable and reliable power supply.