Overview
Happ Substation is an operational electrical substation in Illinois, United States, owned and operated by Commonwealth Edison. It operates at a voltage of 138 kV, serving the local grid.
Happ Substation is an operational electrical substation located in Illinois, United States. Owned and operated by Commonwealth Edison, a major utility in the region, the facility plays a key role in the local electrical infrastructure. The substation is part of the broader transmission network that delivers power to residential, commercial, and industrial customers. The substation operates at a voltage of 138 kV, which is a common transmission-level voltage in the United States. This voltage level indicates that the facility is part of the sub-transmission or distribution network, stepping down power from higher voltage transmission lines for local distribution. As an asset of Commonwealth Edison, the substation is subject to NERC reliability standards and FERC regulations, ensuring grid stability and compliance with federal and regional requirements. The environmental context of Happ Substation is typical for suburban or urban infrastructure in the Midwest. The facility is located in a developed area, with considerations for electromagnetic fields, noise, and visual impact managed through standard utility practices. Its role in the grid supports the region's energy needs, contributing to the reliability of the electrical system in Illinois.
Environmental context
Happ Substation is situated in a developed area of Illinois, where electrical infrastructure is integrated into the urban and suburban landscape. The facility's 138 kV operation is typical for sub-transmission substations, which are designed to minimize environmental footprint through compact design and adherence to local zoning regulations. The substation's presence supports grid reliability without significant ecological disruption, as it is located in an area already modified by human activity.
Frequently asked questions
Happ Substation is located in Illinois, United States, at coordinates 42.087361, -87.766759. It is owned and operated by Commonwealth Edison.
Happ Substation operates at a voltage of 138 kV, which is a common sub-transmission voltage level in the United States, used for distributing power from higher voltage transmission lines to local distribution networks.
Happ Substation is operated by Commonwealth Edison, a major electric utility serving northern Illinois, including the Chicago area.
As part of the US electrical grid, Happ Substation is subject to NERC reliability standards for grid stability and FERC regulations for transmission-level assets. Compliance with these frameworks ensures safe and reliable operation.
A 138 kV substation like Happ typically steps down voltage from higher transmission lines (e.g., 345 kV) to distribution levels (e.g., 34.5 kV or 12 kV), serving as a critical node in the sub-transmission network to deliver electricity to local communities.