Overview
El Dorado Substation is an operational electrical substation in Arkansas, United States, owned by Entergy Arkansas. It operates at voltages of 500 kV, 345 kV, and 115 kV, serving the regional grid.
El Dorado Substation is a high-voltage electrical substation located in Arkansas, United States. Owned by Entergy Arkansas, the facility is operational and plays a critical role in the regional power transmission network. The substation handles multiple voltage levels, including 500 kV, 345 kV, and 115 kV, indicating its importance in both long-distance transmission and local distribution. 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 the Entergy Arkansas system, it supports the integration of generation resources and load centers across the state. The facility's voltage levels suggest it is a major node in the grid, likely connecting to other substations and power plants. El Dorado Substation contributes to the stability and reliability of the electrical infrastructure in southern Arkansas. Its location in a region with industrial and residential demand underscores its role in ensuring continuous power supply. The substation's operation aligns with NERC's critical infrastructure protection standards, which are essential for grid security and resilience.
Environmental context
The substation is situated in a rural area of southern Arkansas, characterized by forests and agricultural land. Its operation involves high-voltage equipment that requires careful management of electromagnetic fields and potential impacts on local wildlife. The facility's design likely includes measures to minimize environmental disturbance, such as proper insulation and containment of insulating fluids. The surrounding ecosystem benefits from the substation's role in supporting reliable electricity, which is vital for local communities and industries.
Frequently asked questions
El Dorado Substation is located in Arkansas, United States, near the city of El Dorado. Its coordinates are approximately 33.2893 N, -92.5918 W.
El Dorado Substation operates at multiple voltage levels: 500 kV, 345 kV, and 115 kV. These voltages indicate its role in both high-voltage transmission and sub-transmission.
El Dorado Substation is owned by Entergy Arkansas, a major utility company serving the state. The operator is also Entergy Arkansas, as per the available data.
As part of the US bulk power system, El Dorado Substation must comply with NERC reliability standards and FERC regulations. These include requirements for grid stability, cybersecurity, and equipment maintenance.
A 500 kV substation is a critical component of the high-voltage transmission grid, enabling efficient long-distance power transfer. It connects major generation sources to load centers and helps maintain grid reliability.