Overview
Oelwein Substation, operated by Alliant Energy in Iowa, is a 69 kV electrical substation that plays a key role in regional grid stability and power distribution.
Oelwein Substation is an electrical substation located in Oelwein, Iowa, United States. Operated by Alliant Energy, it operates at a voltage of 69 kV, classifying it as a medium-voltage substation that serves local distribution and transmission needs. The facility is currently operational and supports the regional power grid. As a 69 kV substation, Oelwein Substation falls under the regulatory oversight of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), which enforce reliability standards for the bulk power system. The substation likely includes switchgear, transformers, and protection systems compliant with standards such as IEEE C37 for high-voltage equipment. Its location in rural Iowa suggests it serves agricultural and residential loads, with typical infrastructure designed for moderate capacity. The substation's role in the Alliant Energy network contributes to grid stability in northeastern Iowa. By stepping down transmission voltages for local distribution, it supports community power supply and industrial operations. Its operational status ensures continued service to the region, aligning with Alliant Energy's commitment to reliable electricity delivery.
Environmental context
The substation is situated in a rural agricultural area of Iowa, where the surrounding landscape consists of farmland and small communities. The environmental context includes potential impacts from electromagnetic fields (EMF) and the need for vegetation management to prevent outages. The facility's design likely incorporates measures to minimize ecological disruption, such as using non-PCB insulating fluids and implementing stormwater management practices.
Frequently asked questions
Oelwein Substation is located in Oelwein, Iowa, United States, at coordinates 42.673700, -91.912426.
Oelwein Substation operates at a voltage of 69 kV, which is typical for medium-voltage substations in distribution and sub-transmission networks.
Oelwein Substation is operated by Alliant Energy, a major utility company serving the Midwest United States.
As part of the U.S. bulk power system, Oelwein Substation must comply with NERC reliability standards and FERC regulations, including requirements for maintenance, protection systems, and cybersecurity.
A 69 kV substation steps down transmission voltages for local distribution, serving as a critical node for delivering electricity to residential, commercial, and industrial customers.