Overview
Ethan Substation is an operational electrical substation in the United States, owned and operated by NorthWestern Energy. It handles voltages of 34.5 kV and 12.47 kV, serving grid stability in the region.
Ethan Substation is an operational electrical substation located in the United States, owned and operated by NorthWestern Energy. As a substation, it plays a critical role in stepping down transmission voltages to distribution levels for local power delivery. The facility is part of NorthWestern Energy's network, which serves customers across Montana, South Dakota, and Nebraska. The substation operates with voltage levels of 34.5 kV and 12.47 kV, indicating its role in subtransmission and distribution. In the United States, substations like Ethan are subject to NERC reliability standards and FERC regulation for grid stability. The facility's location in a rural area of South Dakota suggests it supports agricultural and small community loads, typical for the region's electrical infrastructure. Ethan Substation contributes to the reliability of the local power grid by transforming voltage and enabling efficient electricity distribution. Its operation by NorthWestern Energy ensures compliance with regional grid codes and maintenance of service continuity. The substation's presence supports the broader electrical network in the Upper Midwest, facilitating power delivery to end users.
Environmental context
The substation is located in a rural area of South Dakota, characterized by agricultural land and low population density. Its voltage levels (34.5 kV and 12.47 kV) indicate it serves local distribution needs, with minimal environmental footprint compared to high-voltage transmission lines. The facility's operation is subject to environmental regulations under the National Environmental Policy Act (NEPA) for any upgrades or expansions.
Frequently asked questions
Ethan Substation is located in the United States, specifically in South Dakota near the coordinates 43.542355, -97.986297. It is owned and operated by NorthWestern Energy.
Ethan Substation operates at voltage levels of 34.5 kV and 12.47 kV, which are typical for subtransmission and distribution substations in the United States.
Ethan Substation is owned and operated by NorthWestern Energy, a utility company serving customers in Montana, South Dakota, and Nebraska.
In the United States, substations like Ethan must comply with NERC reliability standards and FERC regulations for grid stability and safety. These standards cover equipment maintenance, cybersecurity, and operational protocols.
Substations like Ethan transform voltage levels to facilitate efficient electricity transmission and distribution. They also provide switching, protection, and monitoring functions to ensure grid reliability and safety.