Overview
Silver River Substation is an operational electrical substation in Michigan's Upper Peninsula, owned and operated by American Transmission Company. It operates at 138 kV, serving as a key node in the regional transmission grid.
Silver River Substation is an operational electrical substation located in Michigan's Upper Peninsula, United States. Owned and operated by American Transmission Company, the facility operates at a voltage of 138 kV, classifying it as a high-voltage substation within the regional transmission network. The substation plays a critical role in stepping down transmission-level power for distribution to local communities and industries. As part of the U.S. electrical infrastructure, Silver River Substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC). These bodies enforce reliability standards and oversee interstate electricity transmission. The 138 kV voltage level is typical for sub-transmission systems that connect bulk power sources to distribution networks, ensuring grid stability and load balancing in the region. The substation's location in the Upper Peninsula places it in a rural, forested area with seasonal weather extremes, including heavy snow and ice. Its operational significance lies in maintaining reliable power supply to remote communities and supporting the regional economy, which includes mining, forestry, and tourism. Its continued operation under ATC's maintenance programs underscores its importance to local grid resilience.
Environmental context
The substation is situated in a rural, forested region of Michigan's Upper Peninsula, an area characterized by cold winters and significant snowfall. The local environment includes mixed hardwood and coniferous forests, wetlands, and numerous lakes. Electrical infrastructure in such settings must be designed to withstand ice loading and extreme weather events. The substation's operation supports the regional economy, including mining and tourism, while its presence in a natural landscape necessitates careful siting to minimize ecological disruption.
Frequently asked questions
Silver River Substation is located in Michigan's Upper Peninsula, United States, near coordinates 46.791921 N, -88.613872 W.
Silver River Substation operates at 138 kV, which is a common voltage for sub-transmission systems in the United States.
Silver River Substation is owned and operated by American Transmission Company (ATC), a major transmission utility in the Midwest.
As part of the U.S. bulk power system, Silver River Substation must comply with NERC reliability standards and FERC regulations for transmission-level assets.
A 138 kV substation typically steps down transmission voltage for distribution to local networks, serving as a critical link between high-voltage transmission lines and lower-voltage distribution systems.