Overview
Three Brothers Substation is an operational electrical substation in Arkansas, United States, operated by North Arkansas Electric Cooperative. It operates at 69 kV, serving the local grid.
Three Brothers Substation is an operational electrical substation located in Arkansas, United States. Owned and operated by North Arkansas Electric Cooperative, this facility plays a role in the regional power distribution network. The substation operates at a voltage level of 69 kV, which is typical for sub-transmission and distribution applications in rural cooperative systems. In the United States, substations like Three Brothers are subject to reliability standards set by the North American Electric Reliability Corporation (NERC) and regulated by the Federal Energy Regulatory Commission (FERC) for grid stability. The 69 kV voltage class is commonly used for local distribution, connecting smaller communities to the broader transmission network. North Arkansas Electric Cooperative serves members across several counties, and this substation likely supports residential and agricultural loads. The substation's location in north-central Arkansas places it in a region with a mix of rural and small-town demand. As part of a cooperative utility, it contributes to reliable electricity service for member-owners. The operational status indicates ongoing grid support, and the facility's age and specific equipment details are not publicly available, but typical substations of this scale include switchgear, transformers, and protection systems.
Environmental context
The substation is situated in a rural area of Arkansas, where the local environment includes forested hills and agricultural land. Electrical infrastructure in such settings must consider wildlife interactions, such as bird collisions with power lines, and vegetation management to prevent outages. The 69 kV voltage level poses moderate electromagnetic field exposure, but standard siting practices minimize impact. The region's climate includes thunderstorms and occasional ice storms, which can affect substation reliability.
Frequently asked questions
Three Brothers Substation is located in Arkansas, United States, at coordinates 36.4836, -92.4872. It is operated by North Arkansas Electric Cooperative.
Three Brothers Substation operates at 69 kV (69,000 volts), which is a common voltage for sub-transmission and distribution in rural cooperative systems.
The substation is owned and operated by North Arkansas Electric Cooperative, a member-owned utility serving parts of north-central Arkansas.
In the United States, substations are subject to NERC reliability standards and FERC regulations for grid stability. Local cooperatives also follow state utility commission rules.
A 69 kV substation typically steps down voltage from higher transmission lines for local distribution, serving residential, commercial, and agricultural customers in rural areas.