Overview
Marquette Plant Four Substation is an operational electrical substation in Michigan, United States, owned and operated by American Transmission Company. It operates at 69 kV, serving the local grid.
Marquette Plant Four Substation is an operational electrical substation located in Marquette, Michigan, United States. Owned and operated by American Transmission Company, the facility operates at a voltage level of 69 kV, classifying it as a medium-voltage substation within the regional transmission network. The substation plays a role in distributing electricity from generation sources to local distribution systems. As part of the American Transmission Company's portfolio, this substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC). These standards ensure grid reliability and compliance with mandatory reliability standards. The 69 kV voltage level is typical for sub-transmission and distribution substations, serving industrial and residential loads in the Marquette area. The substation's location in Michigan's Upper Peninsula places it in a region with a mix of industrial, mining, and residential electricity demand. Its operational status contributes to grid stability and power delivery in the area, supporting local communities and economic activities. The facility's role in the transmission network underscores its importance for regional energy infrastructure.
Environmental context
The substation is situated in Marquette, Michigan, a region characterized by cold winters and moderate summers. The area's electrical infrastructure must withstand seasonal weather extremes, including snow and ice accumulation, which can affect overhead lines and equipment. The substation's urban location near residential and industrial zones requires careful management of electromagnetic fields and noise, though standard design practices mitigate these impacts. The facility's operation supports local grid reliability without significant direct environmental footprint.
Frequently asked questions
Marquette Plant Four Substation is located in Marquette, Michigan, United States, at coordinates 46.575939, -87.403567.
The substation operates at a voltage of 69 kV, which is typical for sub-transmission and distribution substations.
The substation is owned and operated by American Transmission Company, a major transmission utility in the United States.
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 transmission voltage for distribution to industrial, commercial, and residential customers, ensuring reliable power delivery.