Gurnee TDC Substation - Commonwealth Edison, Gurnee, Illinois

Gurnee TDC is an electrical substation located in Gurnee, Illinois, United States. Owned and operated by Commonwealth Edison, the facility is part of the regional high-voltage transmission network, stepping down power for local distribution. The substation operates at a voltage of 138 kV, a common transmission-level voltage in the United States. As part of the Commonwealth Edison system, 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 equipment likely includes circuit breakers, transformers, and switchgear typical of a transmission substation. This substation plays a key role in maintaining grid stability and reliability for the Gurnee area and surrounding communities. Its location in a suburban area of Lake County supports residential, commercial, and industrial electricity demand. The facility's operational status ensures continued service to the regional power grid.

The substation is situated in a suburban area of Gurnee, Illinois, near residential and commercial zones. Its operation involves electromagnetic fields and potential noise from transformers, but modern substations are designed to minimize environmental impact. The site's proximity to the Des Plaines River and local wetlands requires careful management of any potential oil spills from equipment to protect local ecosystems.