Overview
Grand Avenue Substation is an operational electrical substation in New Haven, Connecticut, owned and operated by United Illuminating Company. It operates at 115 kV, serving the local grid.
Grand Avenue Substation is an operational electrical substation located in New Haven, Connecticut, United States. Owned and operated by United Illuminating Company, the facility operates at a voltage of 115 kV, classifying it as a sub-transmission or distribution-level asset within the regional power grid. The substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), which enforce reliability standards for the bulk power system. As part of United Illuminating's network, it supports the integration of generation and distribution to serve the New Haven area. The facility plays a critical role in maintaining grid stability and reliability for the surrounding urban and industrial region. Its 115 kV voltage level is typical for substations that step down power from higher transmission voltages to distribution levels, ensuring safe and efficient electricity delivery to end users.
Environmental context
Located in an urban area of New Haven, Connecticut, the substation's environmental context is shaped by its proximity to residential and commercial zones. The 115 kV voltage level indicates it is part of the sub-transmission network, which typically has lower visual and electromagnetic field impacts compared to higher voltage lines. The facility's operation is subject to local environmental regulations regarding noise, oil containment, and electromagnetic field exposure.
Frequently asked questions
Grand Avenue Substation is located in New Haven, Connecticut, United States, at coordinates 41.307457, -72.908802.
Grand Avenue Substation operates at 115 kV, which is a common voltage for sub-transmission and distribution substations.
The substation is owned and operated by United Illuminating Company, a utility serving the New Haven area.
As part of the US power grid, Grand Avenue Substation must comply with NERC reliability standards and FERC regulations for grid stability and safety.
A 115 kV substation typically steps down voltage from higher transmission levels (e.g., 230 kV) to distribution levels (e.g., 13.8 kV), serving local industrial, commercial, and residential customers.