Mill Creek Substation - 115 kV Electrical Infrastructure in the United States

Mill Creek is an operational electrical substation located in the United States, with coordinates 44.634587, -90.134836. The facility operates at a voltage of 115 kV, placing it in the medium-voltage range typical for sub-transmission and distribution substations. This voltage level is critical for stepping down power from high-voltage transmission lines to lower voltages for local distribution. As a substation in the United States, Mill Creek operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) reliability standards and Federal Energy Regulatory Commission (FERC) oversight for grid reliability. The facility likely includes switchgear, transformers, and protection systems compliant with industry standards such as IEEE C37 for high-voltage equipment. The 115 kV voltage is common for regional power distribution, connecting bulk transmission to local networks. The substation's environmental context involves its location in a rural or suburban area of Wisconsin, near the city of Mill Creek. Substations at this voltage level typically have a moderate footprint and are designed to minimize environmental impact through proper oil containment and noise mitigation. The facility supports grid stability and electricity supply to surrounding communities, contributing to the reliability of the regional power system.

The substation is located in a rural area of Wisconsin, where the surrounding landscape includes agricultural fields and woodlands. At 115 kV, the facility operates at a voltage level that balances transmission efficiency with local distribution needs. The site likely includes measures to manage stormwater runoff and prevent oil spills from transformers, in compliance with environmental regulations. The substation's presence supports the local grid, reducing transmission losses and enhancing power quality for nearby consumers.