Overview
ComEd South Holland Substation is an operational electrical substation in South Holland, Illinois, operated by Commonwealth Edison. It operates at 138 kV, supporting grid stability in the Chicago metropolitan area.
ComEd South Holland Substation is an operational electrical substation located in South Holland, Illinois, United States. Owned and operated by Commonwealth Edison (ComEd), a major utility serving northern Illinois, this facility plays a key role in the regional power distribution network. The substation operates at a voltage of 138 kV, classifying it as a sub-transmission or distribution-level asset within the broader grid infrastructure. As part of ComEd's network, the substation is subject to North American Electric Reliability Corporation (NERC) reliability standards and Federal Energy Regulatory Commission (FERC) oversight for transmission-level assets. The 138 kV voltage level is common for sub-transmission systems that connect bulk power transmission to local distribution networks. The substation likely includes switchgear, transformers, and protection systems compliant with IEEE and NERC standards. The substation serves the electrical needs of South Holland and surrounding communities in the Chicago area. Its operational status ensures reliable power delivery to residential, commercial, and industrial customers. The facility's location in an urban setting underscores its importance for maintaining grid stability and supporting local economic activity.
Environmental context
The substation is situated in a suburban area of South Holland, Illinois, within the Chicago metropolitan region. The local environment is characterized by mixed residential and industrial land use. Electrical infrastructure in such settings must manage electromagnetic fields and noise, typically mitigated through standard design practices. The substation's operation aligns with ComEd's grid modernization efforts, which include reliability improvements and integration of renewable energy sources.
Frequently asked questions
ComEd South Holland Substation is located in South Holland, Illinois, United States, at coordinates 41.621682, -87.594114.
The substation operates at 138 kV, which is a common voltage for sub-transmission and distribution-level electrical infrastructure.
The substation is owned and operated by Commonwealth Edison (ComEd), the primary electric utility serving northern Illinois.
As part of the US grid, the substation must comply with NERC reliability standards and FERC regulations for transmission and distribution assets.
A 138 kV substation typically steps down voltage from higher transmission levels for distribution to local networks, ensuring reliable power delivery to communities.