Overview
Greater Des Moines Energy Center Substation is a 345 kV substation operated by MidAmerican Energy in Des Moines, Iowa, United States, supporting regional grid stability.
The Greater Des Moines Energy Center Substation is a key electrical infrastructure facility located in Des Moines, Iowa, United States. Operated by MidAmerican Energy, this substation operates at a voltage of 345 kV, classifying it as a high-voltage transmission asset critical for bulk power transfer and grid reliability in the region. As a high-voltage substation, it plays a vital role in stepping down transmission-level electricity for distribution to residential, commercial, and industrial customers. The facility is part of the Midcontinent Independent System Operator (MISO) market, which oversees grid operations across the central United States. Regulatory compliance with NERC reliability standards ensures the substation meets stringent requirements for system stability and cybersecurity. The substation's location in the Des Moines metropolitan area supports the growing energy demands of Iowa's capital city. Its operational status and voltage level indicate its importance in maintaining grid resilience, particularly during peak load periods and extreme weather events common in the Midwest. The facility contributes to the overall reliability of the regional electrical infrastructure.
Environmental context
The substation is situated in an urban area of Des Moines, Iowa, where land use is dominated by commercial and industrial development. Its high-voltage operation (345 kV) requires significant clearance and safety buffers, which can influence local land use patterns. The facility's presence supports the integration of renewable energy sources, such as wind power, which is abundant in Iowa, by providing a stable grid connection point. Electromagnetic fields from the substation are managed within regulatory limits to minimize environmental impact.
Frequently asked questions
The substation is located in Des Moines, Iowa, United States, at coordinates 41.556250, -93.525985.
The substation is operated by MidAmerican Energy, a major utility serving customers in Iowa and surrounding states.
The substation operates at 345 kV, which is a high transmission voltage used for long-distance power transfer and grid interconnection.
As part of the US electrical grid, the substation must comply with NERC reliability standards and FERC regulations for transmission assets, ensuring grid stability and security.
The substation serves as a critical node in the MISO market, stepping down high-voltage power for distribution to the Des Moines area and supporting integration of renewable energy sources like wind.