Risk: Medium Substation Operational

East Devon Substation: Eversource High-Voltage Substation in Connecticut

United States

Overview

East Devon Substation is an operational electrical substation in Connecticut, United States, owned and operated by Eversource. It handles voltages of 345 kV and 115 kV, serving as a key node in the regional transmission grid.

East Devon Substation is an operational electrical substation located in Connecticut, United States, owned and operated by Eversource. The facility handles high-voltage transmission at 345 kV and 115 kV, indicating its role in both bulk power transfer and sub-transmission distribution within the regional grid. Operating under the jurisdiction of the Federal Energy Regulatory Commission (FERC) and subject to North American Electric Reliability Corporation (NERC) reliability standards, the substation is part of the interconnected Eastern Interconnection. The dual voltage levels suggest it serves as a step-down point between long-distance transmission and local distribution networks, typical of major substations in densely populated regions of the Northeast. The substation's location in Connecticut places it within a region with high electricity demand due to urban and industrial activity. Its operational status and connection to Eversource's network ensure reliable power supply to surrounding communities, supporting grid stability and resilience in the face of extreme weather events common to the area.

Environmental context

The substation is situated in a suburban area of Connecticut, where land use is a mix of residential and commercial development. The presence of high-voltage equipment requires careful management of electromagnetic fields and adherence to environmental regulations regarding oil containment from transformers. The site's proximity to populated areas necessitates noise mitigation measures and compliance with local zoning ordinances.

Frequently asked questions

East Devon Substation is located in Connecticut, United States, at coordinates 41.227783, -73.098447. It is owned and operated by Eversource.

East Devon Substation handles voltages of 345 kV and 115 kV, making it a key node in the transmission grid for both bulk power transfer and sub-transmission.

East Devon Substation is owned and operated by Eversource, a major utility company serving the northeastern United States.

As part of the US power grid, East Devon Substation must comply with NERC reliability standards and FERC regulations for transmission-level assets.

Substations like East Devon step down high-voltage electricity from transmission lines to lower voltages for distribution, ensuring reliable power delivery to homes and businesses.
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