Duane Arnold Solar Project

November 18, 2024

The first phase of the Duane Arnold Solar Project has been operating, and we've recently begun testing to ensure the second phase of the project can operate safely and efficiently. This process is expected to wrap up before the end of the year. We expect to place all 200 MW of the Duane Arnold Solar Project into service by the end of 2024.

Read further in our latest project update..pdf

• We project the Duane Arnold Solar Project will have a positive economic output of up to $260 million in the state of Iowa, including up to $154 million in Linn County. This takes into account the cumulative ripple effect of new jobs, wages, tax revenue and other economic activity during construction and through the life of the project.
• Lease payments to the participating landowners will provide long-term, stable streams of income over the life of the project.
• Replacement tax revenue, a state program determined by the generation output of the project, will provide annual payments to Linn County.

• We’ll plant native grass and seed mixes around the solar panels and throughout the solar arrays that will help build soil nutrients and create pollinator-friendly habitat. Pollinator-friendly vegetation is proven to prevent soil erosion and add benefit to high-value crops.
• The grass will mature in four years following construction. As it does, it will improve the quality and the ecological health of the watershed and surrounding bodies of water. The native plants reduce the nitrogen, phosphorus, sediment, and biological oxygen demand that can lead to excess algae growth and habitat degradation.
• Requiring only sunlight for fuel, the Wever Solar Project represents a long-term reduction of traditional fossil fuels for energy generation, contributing to a cleaner environment and clean energy future for Iowa and the Midwest.