Overview
ComEd Higgins 138kV Substation is an operational electrical substation in the United States, owned and operated by Commonwealth Edison. It operates at 138 kV, serving the Chicago area grid.
ComEd Higgins 138kV Substation is an electrical substation located in the United States, owned and operated by Commonwealth Edison (ComEd), a major utility serving northern Illinois. The facility is operational and plays a role in the regional transmission network. The substation operates at a voltage of 138 kV, a common sub-transmission level in the US, connecting distribution systems to higher-voltage transmission lines. As part of ComEd's infrastructure, it is subject to NERC reliability standards and FERC regulation for grid stability and security. This substation supports the electrical infrastructure for the Chicago metropolitan area, contributing to reliable power delivery for residential, commercial, and industrial customers. Its location in a densely populated region underscores its importance in maintaining grid resilience and meeting local energy demands.
Environmental context
The substation is situated in an urban area near Chicago, Illinois, where electrical infrastructure must balance reliability with environmental considerations such as electromagnetic fields and land use. The 138 kV voltage level indicates a sub-transmission role, with potential impacts on local ecosystems through right-of-way maintenance and stormwater runoff from impervious surfaces.
Frequently asked questions
ComEd Higgins 138kV Substation is located in the United States, near Chicago, Illinois, at coordinates 41.979322, -87.807662.
The substation operates at 138 kV, a standard sub-transmission voltage level in the United States.
The substation is owned and operated by Commonwealth Edison (ComEd), a major electric utility in Illinois.
As part of the US electrical 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, playing a key role in grid stability and power delivery.