Overview
Great Falls Substation is an operational electrical substation in Montana, United States, owned by Northwest Energy. It operates at 230 kV and 100 kV, serving the regional grid.
Great Falls Substation is an operational electrical substation located in Montana, United States. Owned by Northwest Energy, this facility plays a key role in the regional electrical infrastructure, stepping down high-voltage transmission power for distribution. The substation is part of the broader Western Interconnection, which coordinates electricity across multiple states. The substation operates at voltage levels of 230,000 volts and 100,000 volts, indicating its role in both high-voltage transmission and sub-transmission. As a substation, it likely includes switchgear, transformers, and protection systems compliant with NERC reliability standards. The facility is situated in a rural area of Montana, where electrical infrastructure supports agricultural, residential, and industrial loads. Great Falls Substation contributes to grid stability in north-central Montana, serving communities and industries in the region. Its location near the Missouri River and the city of Great Falls underscores its importance in connecting remote generation sources to load centers. The substation's operational status ensures continued reliability for the local power network.
Environmental context
The substation is located in a semi-arid region of Montana, characterized by grasslands and agricultural land. The facility's presence supports local energy needs while minimizing land use impact. As part of the electrical grid, it enables integration of renewable energy sources like wind power, which is prevalent in Montana. The substation's design likely includes measures to mitigate electromagnetic fields and oil containment for transformers, aligning with environmental best practices.
Frequently asked questions
Great Falls Substation is located in Montana, United States, near the city of Great Falls. Its coordinates are approximately 47.54° N, 111.22° W.
Great Falls Substation operates at 230,000 volts (230 kV) and 100,000 volts (100 kV), serving both high-voltage transmission and sub-transmission functions.
Great Falls Substation is owned by Northwest Energy, a utility company serving the northwestern United States.
Substations in the United States must comply with NERC reliability standards for grid stability and FERC regulations for transmission-level assets. These standards cover maintenance, protection systems, and cybersecurity.
Great Falls Substation steps down high-voltage power from transmission lines to lower voltages for distribution, ensuring reliable electricity supply to residential, commercial, and industrial customers in north-central Montana.