Overview
Marshalltown East Nevada Street Substation is an operational electrical substation in Marshalltown, Iowa, operated by Alliant Energy. It operates at 69 kV, serving the local grid.
Marshalltown East Nevada Street Substation is an electrical substation located in Marshalltown, Iowa, United States. Owned and operated by Alliant Energy, the facility is part of the regional transmission and distribution network, stepping down voltage for local distribution. The substation operates at 69 kV, a common sub-transmission voltage level in the US, connecting the bulk power system to distribution feeders. The substation falls under the regulatory oversight of the Federal Energy Regulatory Commission (FERC) and must comply with North American Electric Reliability Corporation (NERC) reliability standards. As a 69 kV facility, it is typically classified as a sub-transmission asset, playing a critical role in maintaining grid stability for the Marshalltown area. Alliant Energy, a major utility in the Midwest, operates numerous such substations across Iowa. This substation supports the electrical infrastructure of Marshalltown, a city in central Iowa. Its operational status ensures reliable power supply to residential, commercial, and industrial customers in the region. The facility's location near urban areas underscores its importance in local grid resilience and energy distribution.
Environmental context
The substation is located in Marshalltown, Iowa, a region with a continental climate. Electrical infrastructure like this substation is designed to withstand extreme weather events, including thunderstorms and winter storms, which can affect grid reliability. The 69 kV voltage level indicates a sub-transmission role, with environmental considerations focused on right-of-way vegetation management and electromagnetic field (EMF) compliance.
Frequently asked questions
The substation is located in Marshalltown, Iowa, United States, at coordinates 42.043905, -92.903686.
The substation is owned and operated by Alliant Energy, a major utility serving the Midwest.
The substation operates at 69 kV, which is a sub-transmission voltage level commonly used for local distribution.
As part of the US electrical grid, the substation must comply with NERC reliability standards and FERC regulations for transmission-level assets.
A 69 kV substation typically steps down voltage from higher transmission levels for distribution to residential and commercial customers, ensuring reliable local power supply.