Overview
ComEd Lake Cook Substation is an operational electrical substation in Illinois, United States, owned by Commonwealth Edison. It operates at 138 kV, serving the local grid.
ComEd Lake Cook Substation is an operational electrical substation located in Illinois, United States. Owned and operated by Commonwealth Edison, a major utility in the region, the facility plays a key role in the local electrical infrastructure. The substation operates at a voltage of 138 kV, which is typical for sub-transmission and distribution-level assets in the United States. As part of the Commonwealth Edison network, the substation is subject to regulatory oversight by the Federal Energy Regulatory Commission (FERC) and must comply with North American Electric Reliability Corporation (NERC) reliability standards. These standards ensure grid stability and security for transmission and sub-transmission assets. The 138 kV voltage level indicates that this substation likely serves as a distribution hub for industrial, commercial, or residential loads in the Lake County area. The substation's location in a suburban area near Chicago highlights its importance in supporting the region's growing energy demands. It contributes to the reliability of the local grid, facilitating power distribution to surrounding communities. The facility's operational status and integration into the broader ComEd network underscore its role in maintaining consistent electricity supply for the area.
Environmental context
The substation is situated in a suburban environment in Lake County, Illinois, an area with mixed residential and commercial development. The 138 kV voltage level suggests it is a key node in the local distribution network, potentially supporting critical infrastructure such as hospitals, schools, and data centers. Typical substations in this region are designed with modern switchgear and automation to minimize environmental impact and ensure efficient power delivery.
Frequently asked questions
ComEd Lake Cook Substation is located in Illinois, United States, near the Lake Cook Road area, approximately 25 miles north of Chicago.
The substation operates at 138 kV (138,000 volts), which is a common voltage for sub-transmission and distribution in the United States.
The substation is owned and operated by Commonwealth Edison (ComEd), a major electric utility serving northern Illinois.
As part of the U.S. grid, the substation must comply with NERC reliability standards and FERC regulations for transmission-level assets.
A 138 kV substation typically steps down transmission voltage for distribution to local networks, serving industrial, commercial, and residential customers.