Overview
ComEd Blue Island 138kV-345kV Substation is an operational electrical substation in Blue Island, Illinois, owned and operated by Commonwealth Edison, serving the Chicago area with high-voltage transmission infrastructure.
ComEd Blue Island 138kV-345kV Substation is a key electrical infrastructure facility located in Blue Island, Illinois, United States. Owned and operated by Commonwealth Edison (ComEd), the substation plays a critical role in the regional power grid by stepping down high-voltage electricity from 345 kV to 138 kV for distribution to local communities and industries. The substation operates at dual voltage levels of 345 kV and 138 kV, indicating its role in both bulk power transmission and sub-transmission. As part of ComEd's network, it is subject to North American Electric Reliability Corporation (NERC) reliability standards and Federal Energy Regulatory Commission (FERC) regulations for transmission assets. The facility's urban location near Chicago underscores its importance in maintaining grid stability for a densely populated area. Environmental and operational significance includes supporting the electrical infrastructure for the greater Chicago metropolitan region, which has high energy demand. The substation's age and specific equipment details are not publicly available, but its continued operational status suggests regular maintenance and upgrades to meet evolving grid requirements. The facility contributes to reliable electricity supply for residential, commercial, and industrial customers in the area.
Environmental context
Located in an urban setting near Chicago, the substation's environmental context involves managing electromagnetic fields and ensuring minimal impact on surrounding communities. The facility's high voltage levels (345 kV and 138 kV) require careful siting and insulation to mitigate risks. Urban substations often incorporate noise reduction measures and landscaping to blend with the environment. The site's proximity to residential and commercial areas necessitates compliance with local zoning and environmental regulations.
Frequently asked questions
The substation is located in Blue Island, Illinois, United States, at coordinates 41.636759, -87.666319, serving the Chicago metropolitan area.
The substation operates at 345 kV and 138 kV, making it a key node in the high-voltage transmission network for the region.
The substation is owned and operated by Commonwealth Edison (ComEd), a major electric utility serving northern Illinois.
As part of the U.S. bulk power system, the substation must comply with NERC reliability standards and FERC regulations for transmission assets.
A 345 kV substation typically steps down high-voltage electricity from transmission lines to lower voltages for distribution, ensuring stable power supply to urban and industrial areas.