Substation Operational

Troy Mills Substation - 69 kV Electrical Substation in Linn County, Iowa

United States

Overview

Troy Mills Substation is an operational electrical substation in the United States, owned and operated by Linn County REC. It operates at a voltage of 69 kV, serving the local grid.

Troy Mills Substation is an electrical substation located in the United States, owned and operated by Linn County REC. The facility is currently operational and plays a role in the regional power distribution network, stepping down transmission voltages for local use. The substation operates at a voltage of 69 kV, which is typical for sub-transmission or distribution-level infrastructure in rural cooperative systems. As part of Linn County REC's network, it adheres to North American Electric Reliability Corporation (NERC) reliability standards and is subject to Federal Energy Regulatory Commission (FERC) oversight for interconnection and reliability. As a substation serving a rural electric cooperative, Troy Mills Substation supports grid stability and electricity delivery to residential, agricultural, and small commercial customers in Linn County, Iowa. Its operational status ensures continued service to the community, contributing to local energy resilience.

Environmental context

The substation is located in a rural area of Iowa, where the surrounding landscape includes agricultural fields and scattered residential developments. Electrical infrastructure in such settings typically has a low environmental footprint, though maintenance of rights-of-way and equipment can affect local habitats. The 69 kV voltage level indicates a distribution role, with minimal electromagnetic field concerns compared to higher-voltage transmission lines.

Frequently asked questions

Troy Mills Substation is located in the United States, specifically in Linn County, Iowa, near the coordinates 42.238860, -91.676268.

Troy Mills Substation is owned and operated by Linn County REC, a rural electric cooperative serving the Linn County area.

Troy Mills Substation operates at a voltage of 69 kV, which is typical for sub-transmission or distribution-level substations in rural electric cooperative systems.

Substations in the United States must comply with NERC reliability standards for grid stability and FERC regulations for interconnection and transmission. For distribution-level assets, state public utility commissions also set safety and service requirements.

Substations transform voltage levels, switch circuits, and protect the grid. Troy Mills Substation likely steps down higher transmission voltages to distribution levels for local use, ensuring reliable electricity delivery to homes and businesses.
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