Overview
Harelson Substation is an operational electrical substation in the United States, owned and operated by Entergy. It handles voltages of 230 kV, 69 kV, and 13.8 kV, serving the regional grid.
Harelson Substation is an operational electrical substation located in the United States, owned and operated by Entergy. The facility handles multiple voltage levels including 230 kV, 69 kV, and 13.8 kV, indicating its role in both transmission and distribution within the regional power grid. 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 Entergy's network, it likely incorporates modern substation automation technologies such as IEC 61850 for efficient monitoring and control. Harelson Substation plays a critical role in maintaining grid stability and reliability for the surrounding area. Its location in Louisiana supports the energy needs of residential, commercial, and industrial customers, contributing to the overall resilience of the regional electrical infrastructure.
Environmental context
The substation is situated in a region with a humid subtropical climate, which can pose challenges such as heat and humidity that affect equipment performance. Its urban or suburban location near Baton Rouge means it serves a densely populated area, requiring robust design to withstand local weather events like thunderstorms and hurricanes. The facility's age and technology level are typical for mid-century infrastructure, with potential for upgrades to enhance resilience.
Frequently asked questions
Harelson Substation is located in the United States, with coordinates approximately 30.435749 N, -91.059142 W, near Baton Rouge, Louisiana.
Harelson Substation handles multiple voltage levels: 230,000 volts (230 kV), 69,000 volts (69 kV), and 13,800 volts (13.8 kV), serving both transmission and distribution functions.
Harelson Substation is owned and operated by Entergy, a major utility company serving the southern United States.
As part of the US bulk power system, Harelson Substation must comply with NERC reliability standards and FERC regulations, ensuring grid stability and security.
Substations like Harelson transform voltage levels, switch circuits, and help manage the flow of electricity, ensuring reliable power delivery to homes and businesses.