Risk: Medium Substation Operational

Timber Swamp Substation - Eversource Electrical Substation in the United States

United States

Overview

Timber Swamp Substation is an operational electrical substation in the United States, owned and operated by Eversource. It handles voltages of 345 kV and 34.5 kV, serving the regional grid.

Timber Swamp Substation is an electrical substation located in the United States, owned and operated by Eversource, a major utility in the Northeast. The facility is operational and plays a key role in the transmission and distribution network, with voltage levels of 345 kV and 34.5 kV, indicating its function as a step-down substation connecting high-voltage transmission lines to lower-voltage distribution systems. Operating under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), the substation adheres to mandatory reliability standards. The 345 kV voltage level is typical for bulk power transmission, while the 34.5 kV level serves local distribution, making this substation a critical node for grid stability in the region. The substation's location in the northeastern United States places it within a densely populated and industrially active area, where reliable electricity supply is essential for residential, commercial, and industrial consumers. Its role in voltage transformation and grid interconnection supports the overall resilience of the regional power system.

Environmental context

The substation is situated in a region with a temperate climate, where seasonal weather variations, including winter storms and summer heatwaves, can impact grid operations. The facility's design and maintenance practices are aligned with NERC standards to ensure reliability under such conditions. Its location in a developed area means it supports urban and suburban energy needs without significant direct environmental footprint, though its operation is integral to the broader environmental context of energy transmission efficiency and grid stability.

Frequently asked questions

Timber Swamp Substation is located in the United States, with coordinates approximately 42.95° N, -70.87° W, likely in the New England region served by Eversource.

The substation handles two voltage levels: 345 kV for high-voltage transmission and 34.5 kV for lower-voltage distribution, indicating it serves as a step-down substation.

Timber Swamp Substation is owned and operated by Eversource, a major utility company providing electricity to customers in the northeastern United States.

As a US electrical substation, it operates under NERC reliability standards and FERC regulations, ensuring grid stability and compliance with federal and regional requirements.

Substations like Timber Swamp transform voltage levels to facilitate efficient transmission and distribution of electricity, connecting high-voltage transmission lines to local distribution networks and ensuring reliable power supply to consumers.
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