Greater Des Moines Gas Power Plant | 576.3 MW Facility in Iowa, USA

Greater Des Moines is a gas-fired power plant located in Iowa, United States, with a capacity of 576.3 MW. It is owned and operated by MidAmerican Energy Co, a major utility in the region. The plant plays a key role in meeting the electricity demands of the Des Moines metropolitan area and surrounding communities. The facility operates under the regulatory framework of the US Environmental Protection Agency (EPA), including the Clean Air Act (CAA) and its National Ambient Air Quality Standards (NAAQS). As a gas-fired plant, it benefits from lower emissions of sulfur dioxide (SO2) and nitrogen oxides (NOx) compared to coal-fired units, and it may be subject to the Cross-State Air Pollution Rule (CSAPR) for regional air quality management. With a capacity of 576.3 MW, Greater Des Moines is a medium-to-large scale gas power plant. Its operational status ensures reliable power generation for the region, supporting grid stability and economic activity. The plant's use of natural gas as a primary fuel aligns with the broader US trend toward cleaner energy sources.

The plant's gas-fired technology results in lower CO2 emissions per MWh compared to coal, but still contributes to greenhouse gas emissions. Its location in Iowa, a state with significant agricultural activity, means that air quality impacts are managed under EPA regulations. The facility's proximity to populated areas necessitates compliance with NAAQS for ozone and particulate matter, and its emissions are subject to permitting and monitoring requirements.