Overview
ComEd Niles 138kV Substation is an operational electrical substation in Niles, Illinois, owned by Commonwealth Edison. It operates at 138 kV, serving the regional power grid.
ComEd Niles 138kV Substation is an operational electrical substation located in Niles, Illinois, United States. Owned and operated by Commonwealth Edison (ComEd), the facility plays a key role in the regional transmission and distribution network. The substation operates at a voltage level of 138 kV, which is a common sub-transmission voltage in the US, typically serving industrial and large commercial loads as well as feeding lower-voltage distribution networks. As part of ComEd's infrastructure, the substation is subject to North American Electric Reliability Corporation (NERC) reliability standards and Federal Energy Regulatory Commission (FERC) regulations for transmission-level assets. The 138 kV class is widely used across the US for regional power delivery, and substations of this type are critical for maintaining grid stability and reliability. ComEd, a subsidiary of Exelon, serves the Chicago metropolitan area, one of the largest electricity markets in the country. The substation's location in Niles, a suburb of Chicago, places it in a densely populated urban environment with high electricity demand. Its role in stepping down voltage from higher transmission lines to distribution levels supports residential, commercial, and industrial customers in the area. The facility contributes to the resilience of the local grid, particularly during peak demand periods and extreme weather events common in the Midwest.
Environmental context
The substation is situated in an urban setting in Niles, Illinois, where land use is predominantly residential and commercial. Electrical infrastructure in such areas must manage electromagnetic fields and noise within regulatory limits. The facility's 138 kV operation is typical for suburban distribution, and its location near residential zones requires adherence to local zoning and safety standards. The surrounding environment includes mixed urban development, with potential impacts on local wildlife and vegetation managed through standard mitigation practices.
Frequently asked questions
ComEd Niles 138kV Substation is located in Niles, Illinois, United States, at coordinates 42.021880, -87.776012.
The substation operates at 138 kV (138,000 volts), a common sub-transmission voltage used for regional power distribution.
The substation is owned and operated by Commonwealth Edison (ComEd), a major electric utility serving northern Illinois.
As part of the US power grid, the substation must comply with NERC reliability standards and FERC regulations for transmission assets.
A 138 kV substation steps down high-voltage transmission power to lower voltages for distribution to industrial, commercial, and residential customers, ensuring grid stability.