Overview
Philpott Substation is an operational electrical substation in Virginia, United States, owned and operated by Appalachian Power Company. It operates at a voltage of 138 kV, serving the regional grid.
Philpott Substation is an electrical substation located in Virginia, United States, owned and operated by Appalachian Power Company. The facility is operational and plays a role in the regional transmission network, stepping down voltage for distribution to local consumers. As a 138 kV substation, it falls within the sub-transmission voltage class, typical for serving industrial and large commercial loads. The substation operates under the regulatory framework of the United States, which includes reliability standards set by the North American Electric Reliability Corporation (NERC) and oversight by the Federal Energy Regulatory Commission (FERC) for transmission-level assets. Appalachian Power Company, a subsidiary of American Electric Power, is subject to these regulations and state-level utility commission rules. The 138 kV voltage level indicates the substation is part of the bulk power system, contributing to grid stability in the region. Environmental considerations for substations like Philpott include electromagnetic field management, oil containment for transformers, and vegetation management to maintain clearances. The facility's location in Virginia places it within a region with diverse geography, from coastal plains to mountains, which can influence operational practices such as storm hardening and flood mitigation. The substation supports reliable electricity supply to the surrounding community, underpinning local economic activity and quality of life.
Environmental context
The Philpott Substation is situated in Virginia, a state with varied terrain including the Blue Ridge Mountains and coastal plains. Substations at this voltage level require careful environmental management, including containment of insulating oils to prevent soil and water contamination, and vegetation control to maintain safety and reliability. The region's climate, with potential for severe weather such as hurricanes and winter storms, necessitates robust infrastructure design to ensure grid resilience.
Frequently asked questions
Philpott Substation is located in Virginia, United States, at coordinates 36.776105, -80.027119. It is owned and operated by Appalachian Power Company.
Philpott Substation operates at a voltage of 138 kV (138,000 volts), which is a common sub-transmission voltage level in the United States.
Philpott Substation is operated by Appalachian Power Company, a subsidiary of American Electric Power, which serves customers in Virginia, West Virginia, and Tennessee.
Substations in the United States are subject to NERC reliability standards for grid stability and FERC regulations for transmission assets. State utility commissions also oversee local distribution and safety.
A 138 kV substation typically steps down transmission voltage to sub-transmission levels for distribution to industrial customers or further step-down to distribution voltages. It is a critical node in the bulk power system.