Overview
Griffithville Substation is an operational electrical substation in Arkansas, United States, owned and operated by Entergy Arkansas. It handles voltages of 115 kV and 13.86 kV, serving the local grid.
Griffithville Substation is an electrical substation located in Arkansas, United States, owned and operated by Entergy Arkansas. The facility is operational and plays a role in the regional power transmission and distribution network, handling medium to high voltage levels. The substation operates at voltages of 115,000 volts (115 kV) and 13,860 volts (13.86 kV), indicating it serves both transmission and distribution functions. As part of Entergy Arkansas's infrastructure, it is subject to North American Electric Reliability Corporation (NERC) reliability standards and Federal Energy Regulatory Commission (FERC) regulations for grid stability and safety. Located in a rural area of Arkansas, the substation supports local electricity distribution and contributes to the resilience of the regional grid. Its operation is critical for maintaining power supply to surrounding communities and industries, aligning with sector standards for substation automation and grid integration.
Environmental context
The substation is situated in a rural area of Arkansas, where the local environment includes agricultural lands and natural habitats. Electrical infrastructure like this can impact local ecosystems through electromagnetic fields and land use, but modern design typically mitigates such effects. The facility's voltage levels and operational status suggest it is integrated into the regional grid, supporting reliable electricity delivery while adhering to environmental regulations.
Frequently asked questions
Griffithville Substation is located in Arkansas, United States, near coordinates 35.120835, -91.632381.
The substation operates at 115 kV (transmission) and 13.86 kV (distribution), indicating it serves both high-voltage transmission and lower-voltage distribution functions.
The substation is owned and operated by Entergy Arkansas, a major utility company serving the region.
Substations in the U.S. must comply with NERC reliability standards for grid stability and FERC regulations for interstate transmission. Additionally, ISO/IEC 61850 standards for substation automation are commonly adopted.
Substations transform voltage levels for efficient transmission and distribution, switch circuits for maintenance, and protect the grid from faults. They are critical nodes in the power system.