Overview
DeWitt Substation is an operational electrical substation in DeWitt, Iowa, owned and operated by ITC. It operates at 161 kV, serving as a key node in the regional transmission grid.
DeWitt Substation is an operational electrical substation located near DeWitt, Iowa, United States. Owned and operated by ITC, a major independent transmission company, the facility operates at a voltage of 161 kV, placing it in the medium-to-high voltage range typical for sub-transmission and transmission-level assets in the U.S. grid. The substation falls under the regulatory oversight of the Federal Energy Regulatory Commission (FERC) and must comply with North American Electric Reliability Corporation (NERC) reliability standards. ITC, as a transmission owner, is subject to mandatory reliability standards including NERC CIP (Critical Infrastructure Protection) for cybersecurity and physical security. The 161 kV voltage level indicates this substation likely interconnects with local distribution networks or serves as a step-down point from higher voltage lines. As part of ITC's transmission network in the Midwest, DeWitt Substation plays a role in maintaining grid stability and delivering electricity to the surrounding region. Its location in rural Iowa supports agricultural and residential loads, contributing to the reliability of the local power supply. The substation's operational status ensures continued service to the community.
Environmental context
The substation is situated in a rural area of eastern Iowa, characterized by agricultural land and scattered residential developments. The 161 kV voltage level suggests it is a key node for local power distribution, with potential environmental considerations including electromagnetic field (EMF) exposure and land use for transmission corridors. ITC's operations are subject to environmental regulations under the National Environmental Policy Act (NEPA) for new construction or upgrades.
Frequently asked questions
DeWitt Substation is located near DeWitt, Iowa, United States, at coordinates 41.810988, -90.535816.
DeWitt Substation operates at 161 kV, a common voltage for sub-transmission and transmission-level substations in the United States.
DeWitt Substation is owned and operated by ITC, an independent transmission company that manages high-voltage electricity transmission in the Midwest.
As part of the U.S. transmission grid, DeWitt Substation must comply with NERC reliability standards and FERC regulations, including requirements for grid stability and cybersecurity.
A 161 kV substation typically steps down voltage from higher transmission lines for distribution to local networks or interconnects with other transmission lines, playing a critical role in grid reliability.