Overview
Saint Clair Power Plant Substation is an operational electrical substation in Michigan, United States, owned by ITC. It operates at voltages of 345 kV, 230 kV, and 120 kV, serving the regional power grid.
Saint Clair Power Plant Substation is an operational electrical substation located in Saint Clair County, Michigan, United States. Owned and operated by ITC, this facility is a key node in the regional transmission network, handling high-voltage electricity at 345 kV, 230 kV, and 120 kV. The substation supports the integration of power generation from the adjacent Saint Clair Power Plant into the broader grid. As part of the U.S. electrical infrastructure, this substation operates under the regulatory oversight of the Federal Energy Regulatory Commission (FERC) and adheres to reliability standards set by the North American Electric Reliability Corporation (NERC). The facility's voltage levels indicate its role in both bulk power transmission (345 kV) and sub-transmission (230 kV and 120 kV), typical for a major interconnection point. ITC is a leading independent transmission company, ensuring grid stability and compliance with mandatory standards. The substation's location near the Saint Clair River and the Great Lakes region places it in an area with significant industrial and residential demand. Its operational status supports the reliability of the local grid, facilitating the distribution of electricity to communities and industries in southeastern Michigan. The facility's age and specific equipment details are not publicly available, but its continued operation underscores its importance to the regional energy infrastructure.
Environmental context
The substation is situated in a region with a mix of urban, suburban, and industrial land uses near the Saint Clair River. The area experiences a humid continental climate, with seasonal temperature extremes that can affect grid operations. The facility's high-voltage equipment is designed to withstand local weather conditions, including snow and ice storms. The surrounding ecosystem includes wetlands and waterways, but the substation's direct environmental impact is limited to electromagnetic fields and land use, which are managed through standard siting and operational practices.
Frequently asked questions
Saint Clair Power Plant Substation is located in Saint Clair County, Michigan, United States, near the Saint Clair River.
The substation operates at three voltage levels: 345 kV (extra-high voltage), 230 kV (high voltage), and 120 kV (sub-transmission voltage).
The substation is owned and operated by ITC, an independent transmission company in the United States.
As part of the U.S. electrical grid, the substation must comply with NERC reliability standards and FERC regulations for transmission assets.
Substations like Saint Clair serve as nodes that step voltage up or down, switch circuits, and route power between generation sources and distribution networks, ensuring grid stability and reliability.