Cassville Solar Farm Substation - Alliant Energy, Cassville, Wisconsin

Cassville Solar Farm is a substation located in Cassville, Wisconsin, United States. It is owned and operated by Alliant Energy, a major utility in the Midwest. The substation operates at voltage levels of 138 kV and 34.5 kV, indicating its role in connecting solar generation to the transmission and distribution networks. The facility operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), which set reliability standards for the bulk power system. As a substation associated with a solar farm, it likely includes modern switchgear and automation systems compliant with standards such as ISO/IEC 61850 for substation automation. This substation plays a key role in integrating renewable energy into the grid, supporting the transition to cleaner power sources in Wisconsin. Its location in a rural area with solar generation contributes to local energy independence and grid stability, serving the community by facilitating the delivery of solar power to consumers.

The substation is located in a rural area of Wisconsin, where agricultural land and natural habitats are prevalent. The integration of solar energy through this substation helps reduce greenhouse gas emissions compared to fossil fuel generation. The site's proximity to the Mississippi River may influence local ecology, but the substation itself has a relatively small physical footprint and is designed to minimize environmental impact.