Overview
Polson Substation is an operational electrical substation in Polson, Montana, operated by Mission Valley Power at 69 kV voltage level, serving the local grid.
Polson Substation is an electrical substation located in Polson, Montana, United States. Operated by Mission Valley Power, the facility operates at a voltage level of 69 kV, classifying it as a medium-voltage substation typical for regional distribution and sub-transmission networks. The substation operates under the regulatory framework of the United States, where transmission-level assets are subject to NERC reliability standards and FERC oversight, while distribution-level facilities like this one are primarily regulated by state public utility commissions. The 69 kV voltage level is common for sub-transmission systems that connect bulk power sources to local distribution networks. As part of Mission Valley Power's infrastructure, Polson Substation plays a key role in delivering electricity to the surrounding community in northwestern Montana. Its operational status ensures grid stability and power supply reliability for residential, commercial, and industrial customers in the region.
Environmental context
Located in Polson, Montana, the substation operates in a rural to semi-urban setting near Flathead Lake. The area's environmental context includes seasonal temperature extremes and wildfire risk, which can affect infrastructure reliability. The substation's design and maintenance practices likely incorporate measures to withstand local weather conditions and minimize environmental impact, such as proper insulation and vegetation management.
Frequently asked questions
Polson Substation is located in Polson, Montana, United States, at coordinates 47.689693, -114.157398.
Polson Substation operates at a voltage level of 69 kV, which is typical for sub-transmission and distribution networks.
Polson Substation is operated by Mission Valley Power, a utility serving the Mission Valley area in Montana.
In the United States, substations are subject to NERC reliability standards for transmission assets and state-level regulations for distribution facilities. Polson Substation, as a 69 kV facility, likely falls under state public utility commission oversight.
A 69 kV substation typically serves as a sub-transmission node, stepping down voltage from higher transmission levels for distribution to local networks, ensuring reliable power delivery to communities.