Overview
Glen Ellyn Substation is an operational 138 kV electrical substation in Glen Ellyn, Illinois, owned and operated by Commonwealth Edison, serving the local power grid.
Glen Ellyn Substation is an operational electrical substation located in Glen Ellyn, Illinois, United States. Owned and operated by Commonwealth Edison (ComEd), a major utility in the region, the facility operates at a voltage of 138 kV, classifying it as a high-voltage substation critical for regional power distribution. The substation's 138 kV voltage level places it within the transmission and sub-transmission network, supporting the reliable delivery of electricity to residential, commercial, and industrial customers in the Chicago metropolitan area. As part of ComEd's infrastructure, it operates under the regulatory oversight of the Federal Energy Regulatory Commission (FERC) and complies with North American Electric Reliability Corporation (NERC) reliability standards, ensuring grid stability and security. Located in a suburban setting, Glen Ellyn Substation plays a key role in maintaining power quality and supply continuity for the community. Its operational status and integration into ComEd's grid highlight its importance in meeting local energy demands and supporting the broader electrical infrastructure of northern Illinois.
Environmental context
The substation is situated in a suburban area of Glen Ellyn, Illinois, within the Chicago metropolitan region. Its operation involves electromagnetic fields and potential noise from transformers, which are managed through standard mitigation practices. The facility's location in a developed area minimizes direct impact on natural habitats, while its role in the grid supports energy efficiency by reducing transmission losses through local voltage regulation.
Frequently asked questions
Glen Ellyn Substation is located in Glen Ellyn, Illinois, United States, at coordinates 41.859968, -88.043304.
Glen Ellyn Substation operates at a voltage of 138 kV (138,000 volts), which is typical for high-voltage substations in the transmission and sub-transmission network.
Glen Ellyn Substation is owned and operated by Commonwealth Edison (ComEd), a major electric utility serving northern Illinois.
Substations in the United States, including Glen Ellyn, must comply with NERC reliability standards for grid stability and FERC regulations for transmission-level assets. Additionally, they follow IEEE and ISO/IEC 61850 standards for substation automation.
A 138 kV substation like Glen Ellyn steps down transmission voltage for distribution to local networks, ensuring reliable electricity supply to residential, commercial, and industrial customers. It also provides switching and protection functions to maintain grid stability.