Mason City MacNider Industrial Substation - 161 kV Substation in Iowa, USA

Mason City MacNider Industrial Substation is an electrical substation located in Mason City, Iowa, United States. Owned and operated by Alliant Energy, it operates at a voltage of 161 kV, classifying it as a high-voltage transmission substation that supports industrial and residential power distribution in the region. The substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), which enforce reliability standards for the bulk power system. As a 161 kV facility, it is part of the transmission network that interconnects generation sources with distribution systems, ensuring grid stability and power quality. The substation likely employs modern switchgear and automation systems compliant with industry standards such as IEEE C37. This substation serves the Mason City area, providing critical infrastructure for local industries and communities. Its location in north-central Iowa places it within a region with growing renewable energy integration, including wind power. The facility's operational status and voltage level underscore its importance in maintaining reliable electricity supply and supporting economic activity in the area.

The substation is situated in Mason City, Iowa, a region characterized by agricultural land and a growing wind energy sector. The 161 kV voltage level indicates its role in transmitting power from generation sources, including nearby wind farms, to load centers. The facility's design likely includes measures to minimize electromagnetic field impacts and ensure safe operation within the local environment.