Overview
Subiaco Substation is an operational electrical substation in Arkansas, United States, operated by Arkansas Valley Electric Cooperative. It operates at 161 kV, serving the local grid.
Subiaco Substation is an operational electrical substation located in Arkansas, United States, and operated by Arkansas Valley Electric Cooperative. The facility operates at a voltage of 161 kV, placing it within the sub-transmission or high-voltage distribution range, typical for rural electric cooperatives in the region. The substation's 161 kV voltage level is common for regional power distribution, stepping down transmission-level power for local distribution networks. As part of the Arkansas Valley Electric Cooperative's infrastructure, it supports electricity delivery to member consumers in western Arkansas and eastern Oklahoma. The facility operates under the regulatory oversight of the Arkansas Public Service Commission and adheres to NERC reliability standards for grid stability. Subiaco Substation plays a key role in maintaining reliable electricity supply to the surrounding rural and suburban communities. Its location in the Arkansas River Valley region supports agricultural, residential, and small industrial loads. The substation's operational status ensures continued grid connectivity and power quality for the cooperative's service area.
Environmental context
The substation is located in a rural area of Arkansas, characterized by mixed forest and agricultural land. The 161 kV voltage level indicates moderate environmental footprint, with typical considerations including electromagnetic field management and vegetation clearance for right-of-way. The facility's operation aligns with NERC standards for environmental compliance in transmission infrastructure.
Frequently asked questions
Subiaco Substation is located in Arkansas, United States, near coordinates 35.308419, -93.646762. It is operated by Arkansas Valley Electric Cooperative.
Subiaco Substation operates at 161 kV, a common voltage level for sub-transmission and high-voltage distribution in rural electric cooperative systems.
Subiaco Substation is operated by Arkansas Valley Electric Cooperative, a member-owned utility serving parts of Arkansas and Oklahoma.
As part of the U.S. electrical grid, Subiaco Substation must comply with NERC reliability standards and is subject to oversight by the Arkansas Public Service Commission.
A 161 kV substation typically steps down transmission-level voltage for local distribution, serving as a key node in the regional power grid to ensure reliable electricity delivery to homes and businesses.