Overview
Skokie 345kV Substation, operated by Commonwealth Edison in Illinois, is a high-voltage electrical infrastructure facility that steps down transmission-level power for distribution to the Chicago metropolitan area.
Skokie 345kV Substation is a key electrical infrastructure asset located in Skokie, Illinois, United States. Operated by Commonwealth Edison (ComEd), a major utility serving northern Illinois, this substation handles 345,000 volts, placing it in the high-voltage transmission category. It plays a critical role in the regional power grid by connecting bulk power transmission lines to lower-voltage distribution networks. The substation operates under the regulatory oversight of the Federal Energy Regulatory Commission (FERC) and must comply with North American Electric Reliability Corporation (NERC) reliability standards. As a 345 kV facility, it is part of the backbone transmission system that ensures grid stability across the Chicago area. The substation likely employs modern switchgear and protection systems to manage power flow and maintain reliability. Located in a densely populated suburban area near Chicago, this substation serves a large residential and commercial customer base. Its strategic position within ComEd's network supports the region's growing energy demands and enhances grid resilience. The facility's operational status and high voltage level underscore its importance in maintaining reliable electricity supply for the surrounding communities.
Environmental context
The Skokie 345kV Substation is situated in an urban-suburban environment, where electrical infrastructure must balance reliability with community and environmental considerations. High-voltage substations like this one are typically designed with oil containment systems and fire suppression to mitigate risks of transformer oil spills. The facility's location near residential areas necessitates adherence to electromagnetic field (EMF) guidelines and noise ordinances. Its role in the grid helps reduce transmission losses by stepping down voltage closer to load centers, contributing to overall energy efficiency.
Frequently asked questions
Skokie 345kV Substation is located in Skokie, Illinois, United States, at coordinates 42.050423, -87.756359.
The substation is operated by Commonwealth Edison (ComEd), the primary electric utility serving northern Illinois.
The substation operates at 345,000 volts (345 kV), which is a standard high-voltage transmission level in the US power grid.
As part of the US bulk power system, the substation must comply with NERC reliability standards and FERC regulations for transmission assets.
It serves as a critical node in ComEd's transmission network, stepping down high-voltage power for distribution to the Chicago metropolitan area, ensuring reliable electricity supply.