Overview
Gilliam Substation is an operational electrical substation in the United States, owned and operated by Southwestern Electric Power Company. It operates at a voltage of 69 kV, serving the regional power grid.
Gilliam Substation is an operational electrical substation located in the United States, owned and operated by Southwestern Electric Power Company (SWEPCO). The facility operates at a voltage of 69 kV, placing it within the sub-transmission or distribution voltage range typical for regional power distribution networks. As a substation owned by SWEPCO, a subsidiary of American Electric Power, Gilliam Substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC). These standards ensure grid reliability and compliance with mandatory reliability standards for bulk power systems. The 69 kV voltage level indicates the substation likely serves as a distribution substation, stepping down power from higher transmission voltages for local distribution. The substation plays a key role in maintaining grid stability and power delivery to the surrounding area. Its operational status ensures continued service to residential, commercial, and industrial customers. The facility's location in the United States subjects it to stringent reliability and safety regulations, contributing to the overall resilience of the electrical infrastructure.
Environmental context
The substation is located in a region with a humid subtropical climate, characterized by hot summers and mild winters. Electrical infrastructure in such areas must be designed to withstand weather-related stresses, including thunderstorms and occasional hurricanes. The 69 kV voltage level suggests the substation is part of the distribution network, which is critical for delivering power to end-users. Its location in a rural or suburban area may reduce environmental impact compared to urban substations, but still requires adherence to environmental regulations regarding oil containment and electromagnetic field management.
Frequently asked questions
Gilliam Substation is located in the United States, with coordinates approximately 32.8176° N, -93.8669° W. It is owned and operated by Southwestern Electric Power Company.
Gilliam Substation operates at a voltage of 69 kV, which is typical for sub-transmission or distribution substations in the United States.
Gilliam Substation is owned and operated by Southwestern Electric Power Company (SWEPCO), a subsidiary of American Electric Power.
As part of the US bulk power system, Gilliam Substation must comply with NERC reliability standards and FERC regulations, ensuring grid stability and operational safety.
A 69 kV substation typically steps down voltage from higher transmission levels for local distribution, serving residential, commercial, and industrial customers in the surrounding area.