MSU researchers aim to boost irrigation efficiency with solar-powered technology

Michigan State University researchers are exploring ways to make irrigation more energyefficient through a project funded by a $394,600 grant from the U.S. Department of Agriculture’s Natural Resources Conservation Service. 

Led by Younsuk Dong, an assistant professor in MSU’s Department of Biosystems and Agricultural Engineering, the three-year initiative focuses on integrating solar-powered microinverters with irrigation systems. These devices, designed to optimize energy use, aim to address the electricity demands of Michigan farms, where irrigation accounts for the vast majority of on-farm power consumption. 

Dong highlighted the dual challenges farmers face: limited electrical network capacities and the rising push for renewable energy. “We’re working to make motors more efficient and reduce grid stress, which is critical for sustainable operations,” he said. 

The project builds on Dong’s earlier success with the Low-Cost Monitoring System (LOCOMOS), a tool that uses sensors to provide real-time irrigation recommendations. In the new project, these sensors will integrate with solar-powered devices to maximize water and energy efficiency. 

In collaboration with Purdue University researcher Woongkul (Matt) Lee, the team will conduct field trials at MSU research farms and partner locations in Michigan and Indiana. Over the next three years, the researchers will evaluate how the technology can lower energy costs while ensuring effective irrigation practices. 

With agricultural irrigation accounting for more than 40% of U.S. water use, according to the U.S. Geological Survey, Dong’s project underscores the growing need for solutions that balance productivity with resource conservation. 

“This system has the potential to deliver significant energy savings,” Lee said. “Combined with available tax incentives, it could offer a cost-effective option for farmers across the region.” 

The project will also include an outreach component, sharing findings through webinars, conferences and direct engagement with farmers to encourage adoption.