Overview
ComEd East Frankfort Substation is an operational electrical substation in Frankfort, Illinois, operated by Commonwealth Edison. It operates at 345 kV, serving the regional power grid.
ComEd East Frankfort Substation is an electrical substation located in Frankfort, Illinois, United States. Owned and operated by Commonwealth Edison, a major electric utility in the Midwest, the facility is part of the regional transmission network. The substation operates at a voltage of 345 kV, classifying it as a high-voltage transmission asset critical for bulk power transfer. The substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), which enforce reliability standards for the U.S. power grid. As a 345 kV facility, it plays a key role in maintaining grid stability and integrating generation sources. The infrastructure likely includes modern switchgear and protection systems compliant with industry standards. Located in a suburban area southwest of Chicago, the substation supports the growing electricity demand of the region. Its operational status ensures reliable power distribution to residential, commercial, and industrial customers. The facility's high voltage level underscores its importance in the transmission hierarchy, contributing to the resilience of the Illinois power grid.
Environmental context
The substation is situated in a suburban landscape near Frankfort, Illinois, an area with mixed residential and agricultural land use. The 345 kV voltage level indicates significant electromagnetic fields, though standard mitigation measures are in place. The facility's location in a temperate climate with seasonal storms requires robust infrastructure to withstand weather-related disruptions. Its operation aligns with regional grid reliability goals, minimizing environmental impact through efficient power transmission.
Frequently asked questions
ComEd East Frankfort Substation is located in Frankfort, Illinois, United States, at coordinates 41.494901, -87.825265.
The substation operates at 345 kV, which is a high-voltage transmission level used for bulk power transfer across the grid.
The substation is owned and operated by Commonwealth Edison (ComEd), a major electric utility serving northern Illinois.
As part of the U.S. power grid, the substation must comply with NERC reliability standards and FERC regulations for transmission assets.
A 345 kV substation serves as a key node in the transmission network, stepping down voltage for distribution or interconnecting high-voltage lines to ensure grid stability and reliability.