Overview
ComEd Northwest 138kV Substation is an operational electrical substation in Chicago, Illinois, owned by Commonwealth Edison. It operates at 138 kV, serving the regional power grid.
ComEd Northwest 138kV Substation is an operational electrical substation located in Chicago, 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, classifying it as a high-voltage substation within the transmission network. As part of the Commonwealth Edison system, the substation adheres to North American Electric Reliability Corporation (NERC) reliability standards and is regulated by the Federal Energy Regulatory Commission (FERC). The 138 kV voltage level is typical for sub-transmission and distribution substations in the United States, facilitating the step-down of power from higher transmission voltages to lower distribution levels. The substation likely employs modern switchgear and protection systems compliant with industry standards. The substation is situated in an urban area of Chicago, serving a dense population and commercial load. Its operational status ensures grid stability and reliability for the surrounding community. The facility contributes to the resilience of the regional power grid, supporting the integration of distributed energy resources and maintaining voltage stability.
Environmental context
Located in an urban environment, the substation's operation involves electromagnetic fields and potential noise, managed through standard mitigation practices. The facility's urban setting means it is subject to local zoning and environmental regulations. Its role in grid stability supports the integration of renewable energy sources, contributing to reduced emissions from fossil fuel generation.
Frequently asked questions
ComEd Northwest 138kV Substation is located in Chicago, Illinois, United States, at coordinates 41.945186, -87.696910.
The substation operates at 138 kV (138,000 volts), which is a common sub-transmission voltage level 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 US electrical grid, the substation must comply with NERC reliability standards and FERC regulations for transmission and sub-transmission assets.
A 138 kV substation typically steps down high-voltage transmission power (e.g., 345 kV) to lower distribution voltages, serving industrial, commercial, and residential customers in the area.