Overview
Ohlman Substation is an operational electrical substation in South Dakota, United States, owned by NorthWestern Energy. It operates at voltage levels of 34.5 kV and 12.47 kV, serving local grid stability.
Ohlman Substation is an operational electrical substation located in South Dakota, United States, owned and operated by NorthWestern Energy. The facility plays a key role in the regional power distribution network, stepping down transmission voltages for local consumption. The substation operates at dual voltage levels of 34.5 kV and 12.47 kV, typical for distribution substations that serve industrial, commercial, and residential loads. As part of the NorthWestern Energy system, it adheres to North American Electric Reliability Corporation (NERC) reliability standards and Federal Energy Regulatory Commission (FERC) regulations for grid stability and safety. Located in a rural area of South Dakota, the substation supports agricultural and community electricity needs. Its operational status ensures reliable power delivery, contributing to the resilience of the local electrical infrastructure. The facility's design and maintenance follow standard utility practices for substation automation and protection systems.
Environmental context
The substation is situated in a rural agricultural region of South Dakota, where electrical infrastructure supports farming operations and small communities. The voltage levels indicate a distribution-scale facility, which typically has a localized environmental footprint. Proper maintenance of switchgear and transformers is essential to prevent oil leaks and minimize electromagnetic field impacts on nearby land use.
Frequently asked questions
Ohlman Substation is located in South Dakota, United States, near coordinates 43.708952, -98.046680. It is owned and operated by NorthWestern Energy.
Ohlman Substation operates at 34.5 kV and 12.47 kV, typical for a distribution substation stepping down transmission voltage for local use.
Ohlman Substation is owned by NorthWestern Energy, a utility company serving the northern United States.
As part of the US electrical grid, Ohlman Substation must comply with NERC reliability standards and FERC regulations for transmission and distribution infrastructure.
Distribution substations like Ohlman step down high transmission voltages to lower distribution voltages (e.g., 34.5 kV to 12.47 kV) for safe delivery to homes, farms, and businesses.