Overview
Marshalltown Substation is an operational electrical substation in Marshalltown, Iowa, owned and operated by ITC. It handles voltages of 161 kV, 115 kV, and 69 kV, serving the regional grid.
Marshalltown Substation is an operational electrical substation located in Marshalltown, Iowa, United States. Owned and operated by ITC, the facility is a key node in the regional transmission network, stepping down high-voltage electricity for distribution to local communities and industries. The substation operates at multiple voltage levels: 161 kV, 115 kV, and 69 kV, indicating its role in both bulk power transmission and sub-transmission. As part of the U.S. electrical infrastructure, it falls under the regulatory oversight of the Federal Energy Regulatory Commission (FERC) and must comply with North American Electric Reliability Corporation (NERC) reliability standards to ensure grid stability and security. Located in central Iowa, the substation supports the electrical needs of Marshalltown and surrounding areas. Its operation is critical for maintaining reliable power supply to residential, commercial, and industrial customers, contributing to the region's economic activity and quality of life.
Environmental context
The substation is situated in a rural-urban transition zone in central Iowa, an area characterized by agricultural land and small urban centers. Electrical infrastructure like this substation can have localized environmental impacts, including electromagnetic fields and land use changes. However, modern substations are designed to minimize ecological disruption, with proper siting and mitigation measures. The facility's role in grid stability also supports broader environmental goals by enabling integration of renewable energy sources.
Frequently asked questions
Marshalltown Substation is located in Marshalltown, Iowa, United States, at coordinates 42.045137, -92.862026.
Marshalltown Substation is owned and operated by ITC, a major independent transmission company in the United States.
Marshalltown Substation operates at three voltage levels: 161 kV, 115 kV, and 69 kV, serving both transmission and sub-transmission functions.
In the United States, substations must comply with NERC reliability standards and FERC regulations to ensure grid stability and security.
Substations transform voltage levels, switch circuits, and route power to ensure efficient and reliable electricity delivery from generation sources to end users.