Overview
Northbrook 138kV-345kV Substation is an operational electrical substation in Northbrook, Illinois, owned by Commonwealth Edison. It handles high-voltage transmission at 345 kV and 138 kV.
Northbrook 138kV-345kV Substation is a high-voltage electrical substation located in Northbrook, Illinois, United States. Owned and operated by Commonwealth Edison, a major utility in the region, the facility plays a critical role in the local and regional power grid. The substation operates at multiple voltage levels, including 345 kV and 138 kV, indicating its function as a transmission-level asset that interconnects high-voltage lines. The substation's voltage levels suggest it is a key node in the regional transmission network, likely connecting bulk power sources to distribution systems. As part of the U.S. electrical infrastructure, it operates 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 age and specific equipment details are not publicly available, but typical substations of this scale include circuit breakers, transformers, and switchgear to manage power flow. Environmentally, the substation is situated in a suburban area of Northbrook, a community in Cook County. Its operation supports the electrical needs of residential, commercial, and industrial customers in the region. The substation's role in voltage transformation and grid stability is essential for maintaining reliable electricity supply, especially during peak demand periods. Its location near urban centers underscores its importance in the broader electrical infrastructure of the Chicago metropolitan area.
Environmental context
The substation is located in Northbrook, a suburban area within the Chicago metropolitan region. The local environment is characterized by mixed residential and commercial land use. Electrical infrastructure of this scale typically requires careful management of electromagnetic fields and noise, though specific impacts are mitigated through standard design practices. The facility's operation supports grid reliability for a densely populated area, contributing to energy security without significant direct environmental footprint.
Frequently asked questions
Northbrook 138kV-345kV Substation is located in Northbrook, Illinois, United States, at coordinates 42.126695, -87.785694.
The substation operates at 345 kV, 138 kV, and 34.5 kV, serving as a transmission-level facility that steps down voltage for distribution.
The substation is owned and operated by Commonwealth Edison, a major 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 for transmission assets.
A 345 kV substation is a high-voltage transmission node that interconnects major power lines, enabling efficient long-distance electricity transport and grid stability.