Overview
LaSalle Substation is an operational electrical substation in Illinois, United States, owned by Commonwealth Edison. It operates at 345 kV, serving as a key node in the regional transmission grid.
LaSalle Substation is an operational electrical substation located in Illinois, United States, owned and operated by Commonwealth Edison. The facility operates at a voltage of 345 kV, classifying it as a high-voltage transmission substation critical for bulk power transfer within the regional grid. As a 345 kV substation, LaSalle plays a vital role in the transmission network, stepping down high-voltage electricity from generation sources for distribution to local utilities. It is subject to North American Electric Reliability Corporation (NERC) reliability standards and Federal Energy Regulatory Commission (FERC) regulations, ensuring grid stability and compliance with mandatory reliability requirements. The substation supports the electrical infrastructure of northern Illinois, contributing to reliable power supply for residential, commercial, and industrial customers. Its strategic location within the Commonwealth Edison service territory enhances grid resilience and facilitates integration of generation resources into the broader transmission system.
Environmental context
Located in a rural area of Illinois, LaSalle Substation operates within a landscape dominated by agriculture and scattered residential development. The 345 kV voltage level indicates significant power throughput, with potential electromagnetic field considerations managed through standard siting practices. The substation's design includes oil containment and fire suppression systems to mitigate environmental risks associated with transformer insulation fluids.
Frequently asked questions
LaSalle Substation is located in Illinois, United States, at coordinates 41.244398, -88.664995.
LaSalle Substation operates at 345 kV, making it a high-voltage transmission substation.
LaSalle Substation is owned and operated by Commonwealth Edison, a major electric utility in Illinois.
As part of the U.S. bulk power system, LaSalle Substation must comply with NERC reliability standards and FERC regulations.
A 345 kV substation serves as a critical node in the transmission network, stepping down high-voltage electricity for distribution and ensuring grid stability.