Overview
ComEd Chicago Heights Substation is an operational electrical substation in Chicago Heights, Illinois, operated by Commonwealth Edison. It operates at a voltage of 138 kV, serving the local grid.
ComEd Chicago Heights Substation is an electrical substation located in Chicago Heights, Illinois, United States. Operated by Commonwealth Edison, a major utility in the region, this facility is part of the broader electrical infrastructure that supports the Chicago metropolitan area. The substation operates at a voltage of 138 kV, which is typical for sub-transmission and distribution-level assets in the US grid. As a substation within the Commonwealth Edison network, it falls under the regulatory oversight of the Federal Energy Regulatory Commission (FERC) and must comply with North American Electric Reliability Corporation (NERC) reliability standards. The facility's 138 kV voltage level places it in the medium-voltage range, often used to distribute power from higher-voltage transmission lines to local distribution networks. Substations like this one play a critical role in voltage regulation and grid stability. The environmental context of this substation is shaped by its urban location in Chicago Heights, a suburb south of Chicago. The facility is situated in a densely populated area, where reliable electrical infrastructure is essential for residential, commercial, and industrial consumers. The substation's operation supports the local economy and community by ensuring stable power delivery, particularly during peak demand periods.
Environmental context
Located in the urban setting of Chicago Heights, Illinois, this substation operates within a densely populated area where electrical infrastructure is critical for residential and commercial activity. The 138 kV voltage level indicates its role in distributing power from transmission lines to local networks, contributing to grid reliability in a region with significant seasonal demand variations.
Frequently asked questions
ComEd Chicago Heights Substation is located in Chicago Heights, Illinois, United States, near coordinates 41.523554, -87.605794.
The substation operates at a voltage of 138 kV, which is a common voltage for sub-transmission and distribution substations in the United States.
The substation is operated by Commonwealth Edison (ComEd), a major electric utility serving northern Illinois.
As part of the US electrical grid, this substation must comply with NERC reliability standards and FERC regulations for transmission-level assets, ensuring grid stability and security.
A 138 kV substation typically steps down voltage from higher transmission levels (e.g., 345 kV) to distribution levels, serving as a critical node for power distribution to local communities and industries.