Risk: Medium Substation Operational

South Point Substation: 138 kV Electrical Substation in the United States

United States

Overview

South Point Substation is an operational electrical substation in the United States, owned and operated by Appalachian Power Company. It operates at a voltage of 138 kV, serving the regional grid.

South Point Substation is an operational electrical substation located in the United States, owned and operated by Appalachian Power Company. The facility operates at a voltage of 138 kV, classifying it as a transmission-level substation that plays a role in 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 a 138 kV facility, it is typical for sub-transmission or distribution support, connecting local distribution networks to higher voltage transmission lines. The substation's location in the Appalachian region places it within a mixed industrial and residential area, supporting electricity delivery to local communities and businesses. Its operational status and ownership by a major utility indicate its importance in maintaining grid stability and reliability in the region.

Environmental context

The substation is located in a region characterized by rolling hills and mixed forested areas, typical of the Appalachian Plateau. The area experiences a humid subtropical climate with moderate rainfall, which can affect vegetation management around the substation. The facility's 138 kV voltage level suggests it serves as a critical node for local power distribution, with potential environmental considerations related to electromagnetic fields and land use.

Frequently asked questions

South Point Substation is located in the United States, with coordinates approximately 38.413650 N, -82.574647 W. It is owned and operated by Appalachian Power Company.

South Point Substation operates at a voltage of 138 kV, which is typical for sub-transmission or distribution-level substations in the United States.

South Point Substation is owned and operated by Appalachian Power Company, a utility serving parts of Virginia, West Virginia, and Tennessee.

As a US electrical substation, South Point Substation must comply with NERC reliability standards and FERC regulations for grid reliability and security.

A 138 kV substation typically steps down voltage from higher transmission lines (e.g., 230 kV or 345 kV) for distribution to local networks, or interconnects sub-transmission systems to ensure reliable power delivery.
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