Overview
Gilmore Substation is an operational electrical substation in Arkansas, United States, owned and operated by Entergy Arkansas. It handles voltages of 161 kV and 13.86 kV, supporting regional grid stability.
Gilmore Substation is an operational electrical substation located in Arkansas, United States, owned and operated by Entergy Arkansas. As a substation, it plays a critical role in voltage transformation and power distribution within the regional grid, serving both transmission and distribution networks. The substation operates with voltage levels of 161,000 volts (161 kV) for transmission and 13,860 volts (13.86 kV) for distribution, indicating its function as a step-down facility. This voltage configuration is typical for substations that connect high-voltage transmission lines to lower-voltage distribution networks, serving industrial, commercial, and residential customers in the area. The facility is subject to North American Electric Reliability Corporation (NERC) reliability standards and Federal Energy Regulatory Commission (FERC) regulations, ensuring grid stability and compliance. As part of Entergy Arkansas's infrastructure, Gilmore Substation contributes to the reliability of the regional power supply. Its location in Arkansas, a state with a mix of urban and rural areas, underscores its importance in maintaining consistent electricity delivery. The substation's operational status and voltage capacity highlight its role in supporting local communities and economic activities through dependable electrical infrastructure.
Environmental context
The substation is situated in Arkansas, a region characterized by a humid subtropical climate with hot summers and mild winters. The local environment includes agricultural lands and wetlands, which can influence vegetation management and stormwater runoff around the facility. The substation's voltage levels and urban-rural context require careful planning to minimize electromagnetic field impacts and ensure safe operation near residential and natural areas.
Frequently asked questions
Gilmore Substation is located in Arkansas, United States, at coordinates 35.402587, -90.274022. It is owned and operated by Entergy Arkansas.
Gilmore Substation handles transmission voltage of 161 kV and distribution voltage of 13.86 kV, typical for a step-down substation connecting high-voltage lines to local distribution networks.
Gilmore Substation is operated by Entergy Arkansas, a utility company serving customers in Arkansas. The facility is part of Entergy's regional transmission and distribution network.
Substations in the United States are regulated by the North American Electric Reliability Corporation (NERC) for reliability standards and the Federal Energy Regulatory Commission (FERC) for interstate transmission. Compliance with these frameworks ensures grid stability and safety.
A substation transforms voltage levels between transmission and distribution networks, enabling efficient power transfer and local distribution. It also provides switching, protection, and monitoring functions to maintain grid reliability.