Substation Operational

Susquehanna T21 Substation, Pennsylvania | USA Electrical Infrastructure

United States

Overview

Susquehanna T21 is a 230 kV substation in Pennsylvania, USA, operated by PPL. It plays a key role in regional grid stability and power distribution.

Susquehanna T21 is a high-voltage substation located in Pennsylvania, United States, operating at 230 kV. Owned and operated by PPL, it is part of the broader electrical infrastructure that supports the regional power grid. As a substation, it facilitates voltage transformation and switching, ensuring reliable electricity transmission and distribution. The facility operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), which set reliability standards for the bulk power system. The 230 kV voltage level classifies it as a transmission-level asset, critical for interconnecting generation sources with load centers. PPL, a major utility in the region, manages this substation as part of its extensive network. Environmentally, the substation is situated in a rural area of Pennsylvania, where it supports local communities and industries. Its operational status ensures grid stability and power quality for the surrounding region. The facility's design and maintenance adhere to NERC standards, minimizing environmental impact while maintaining high reliability.

Environmental context

The Susquehanna T21 substation is located in a rural area of Pennsylvania, where it integrates into the local landscape with minimal visual impact. The 230 kV voltage level indicates its role in long-distance power transmission, which can influence land use and wildlife corridors. However, modern substation design typically includes measures to reduce electromagnetic field exposure and mitigate effects on nearby ecosystems.

Frequently asked questions

Susquehanna T21 is a substation located in Pennsylvania, United States, with coordinates approximately 41.093089 N, -76.147052 W.

Susquehanna T21 operates at a voltage of 230 kV, which is typical for transmission-level substations in the United States.

The substation is operated by PPL, a major utility company serving Pennsylvania and surrounding regions.

As a transmission asset in the US, Susquehanna T21 must comply with NERC reliability standards and FERC regulations to ensure grid stability and security.

A 230 kV substation like Susquehanna T21 is critical for stepping down high-voltage electricity from transmission lines to lower voltages for distribution, and for switching and protecting the power grid.
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