Overview
ComEd Galewood Substation is an operational 138 kV substation in Chicago, Illinois, owned and operated by Commonwealth Edison. It plays a key role in the regional power grid.
ComEd Galewood Substation is a 138 kV electrical substation located in the Galewood neighborhood of Chicago, Illinois. Owned and operated by Commonwealth Edison (ComEd), a major utility serving northern Illinois, this facility is part of the regional transmission and distribution network that delivers electricity to residential, commercial, and industrial customers. The substation operates at 138 kV, a common voltage level for subtransmission and distribution in the United States. As part of ComEd's infrastructure, it is subject to North American Electric Reliability Corporation (NERC) reliability standards and Federal Energy Regulatory Commission (FERC) regulations. The facility likely includes switchgear, transformers, and protection systems compliant with IEEE standards, ensuring safe and reliable power delivery. Located in an urban area of Chicago, the substation supports the local grid's stability and resilience. Its role is critical for maintaining power quality and meeting the electricity demands of the surrounding community. The facility's operational status and integration into ComEd's network underscore its importance in the broader electrical infrastructure of the Midwest.
Environmental context
The substation is situated in a densely populated urban area, where electrical infrastructure must balance reliability with environmental considerations. Urban substations often incorporate noise mitigation, oil containment, and electromagnetic field management. The 138 kV voltage level indicates a medium-scale facility that supports local distribution without the larger footprint of high-voltage transmission lines.
Frequently asked questions
ComEd Galewood Substation is located in the Galewood neighborhood of Chicago, Illinois, United States, at approximate coordinates 41.923169 N, -87.785789 W.
The substation operates at 138 kV (138,000 volts), which is a common subtransmission voltage level in the United States.
The substation is owned and operated by Commonwealth Edison (ComEd), the primary electric utility serving northern Illinois.
As part of the U.S. bulk power system, the substation must comply with NERC reliability standards and FERC regulations. Equipment likely adheres to IEEE and ANSI standards for substation design and safety.
A 138 kV substation typically steps down transmission voltage for distribution to local networks or interconnects subtransmission lines. It helps maintain grid stability and reliability in urban areas.