Overview
Humboldt Mine Substation is an operational electrical substation in Michigan, United States, owned by American Transmission Company. It operates at 69 kV, supporting regional grid stability.
Humboldt Mine Substation is an operational electrical substation located in Michigan, United States. Owned by American Transmission Company, it serves as a key node in the regional transmission network, stepping down voltage for local distribution. The substation operates at 69 kV, a typical voltage level for sub-transmission and distribution interconnection in the United States. As part of the American Transmission Company's portfolio, 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, ensuring grid stability and security. Located in a rural area of Michigan's Upper Peninsula, the substation supports the local electrical infrastructure, providing power to nearby communities and industrial operations. Its role in the grid is critical for maintaining reliable electricity supply in the region, particularly given the area's remote nature and reliance on transmission lines for power import.
Environmental context
The substation is situated in a rural, forested region of Michigan's Upper Peninsula, an area with significant ecological value including wetlands and wildlife habitats. The 69 kV infrastructure, while relatively low in voltage, traverses natural landscapes, requiring careful siting to minimize environmental impact. Typical substations in such settings may face challenges from weather extremes and vegetation management.
Frequently asked questions
Humboldt Mine Substation is located in Michigan, United States, at coordinates 46.483580, -87.896151.
Humboldt Mine Substation operates at 69 kV, a standard voltage for sub-transmission and distribution interconnection.
The substation is owned by American Transmission Company, a major transmission utility in the United States.
As part of the U.S. bulk power system, the substation must comply with NERC reliability standards and FERC regulations for transmission-level assets.
A 69 kV substation typically steps down high-voltage transmission power for local distribution, serving industrial, commercial, and residential customers.