Over the past 12 months, from September 2024 to August 2025, Iowa's electricity consumption has a noteworthy emphasis on clean energy sources. More than half of the state’s electricity is generated from low-carbon sources, which constitute approximately 64% of the total electricity production. Wind energy dominates this category, contributing almost 60%, making it the leading source of electricity in Iowa. In contrast, fossil-based electricity stands at a significant 36%, with coal accounting for about a quarter and gas for roughly 12% of the total. Solar energy, although a smaller contributor, plays a role in the low-carbon mix alongside hydropower. Despite its minor share, solar power marks the state's commitment to expanding clean energy options.
Data sources used on this page include EIA. More about data sources →
Is Electricity Growing in Iowa?
Iowa has been experiencing a slight decline in its total electricity consumption, which could be a cause for concern regarding the state's energy sustainability goals. The latest statistics show an average usage of approximately 22,715 kWh per person, a decrease from the previous peak in 2022, where it reached around 22,883 kWh per person. Similarly, low-carbon electricity generation per capita has also slightly decreased from its 2022 record, falling by 370 kWh per person. This subtle decline is a point of worry as Iowa aims to enhance its clean energy footprint. The decrease emphasizes the need for strategic measures to not only maintain but hopefully grow the low-carbon share in line with Iowa's green energy objectives.
Suggestions
To overcome these challenges and boost low-carbon electricity generation, Iowa should focus on expanding its successful wind energy sector further. Additionally, it can draw insights from regions with robust nuclear and solar energy infrastructures. For instance, European countries like France, Slovakia, and Ukraine, along with states like New Hampshire and Illinois, have demonstrated strong nuclear power capabilities, providing a substantial portion of their electricity needs. Regarding solar power, Nevada and California stand out as regions where solar has made significant inroads. Iowa can take valuable lessons from these regions to implement nuclear and solar power strategies effectively, thus diversifying and strengthening its electricity generation mix with a focus on sustainability and carbon reduction.
History
The history of low-carbon electricity in Iowa is marked by significant developments predominantly due to wind energy growth. In the late 2000s and throughout the 2010s, Iowa saw a steady increase in wind energy capacity, particularly with notable boosts in 2009, 2012, and peaking in 2022. Although there were slight setbacks in 2023, the overall trajectory over the years has been robust. Conversely, nuclear energy has seen some fluctuations, with gains offset by declines, particularly noticeable in 2014 and 2020. This inconsistency highlights areas where Iowa could potentially reevaluate and strengthen its nuclear strategy to ensure a reliable and sustained low-carbon electricity supply in conjunction with its wind power successes. Pursuing these strategies is vital for Iowa's transition to a more sustainable and clean electricity future.
