Agriculture
North American Farmers Embrace Agrivoltaics for Profitable Harvest
2024-11-29
In North America, two visionary minds, Joshua Pearce and Ethan Winter, are at the forefront of a revolutionary concept - agrivoltaics. This relatively new term combines cropping practices with solar panels on the same fields, offering a highly profitable harvest for farmers and ranchers.
Uniting Agriculture and Solar Power for a Sustainable Future
Fields of Opportunity
Joshua Pearce, who arrived in Canada in 2021 from Michigan Tech University, is an academic engineer with diverse expertise. He believes that agrivoltaics in North America presents a "slam dunk" opportunity. In his latest research, he posits that just 1% of Canadian farmland could provide a quarter to a third of the country's electrical energy needs. "You can increase the yield for your crop if you do it right. You do get more food, and you get the added revenue of the solar. That's why agrivoltaics is growing like crazy in the whole world," he said. Agrivoltaics is forecast to become a $9.3 billion marketplace by 2031, growing at a compound annual rate of 10.1% from $3.6 billion a year ago. However, setting up solar fields is complex and requires public policy, energy corporations, education, and leasing.Pearce challenged 125 of his MBA students to propose profitable agrivoltaic developments on Alberta farmland, and every student found a way to do it. They explored different crops, solar arrays, and contracts with farmers. But this new technology is outside the box of established farming practices, and massive education is needed. "If you quizzed 100 farmers, a handful would have heard of [agrivoltaics]. We have a long way to go before it's going to happen," he said.Smart Solar Program
Ethan Winter, based in New York state's upper Hudson Valley, is the national Smart Solar director for American Farmland Trust (AFT). Established in 1980, AFT works to protect farmland and ranchland and promote conservation practices. The AFT Smart Solar program expanded in 2023, adding regional solar specialists and an in-house expert in energy and agrivoltaics. In January, the USDA and the Department of Energy hosted national sessions to listen to farmers and stakeholders express their interest in agrivoltaics.AFT has formalized updated policy recommendations, including prioritizing solar development on non-farming land, safeguarding soil health, growing agrivoltaics, and promoting equity. To administer state-level programs, AFT is identifying research and resources for farmers. The National Renewable Energy Lab is leading a national analysis on solar and wind land needs. Potentially, over 10 million of the 880-million-acre total farmland base could be needed for solar by 2050.Leasing Guidance
The National Agricultural Law Center provides guidance to farmers on farmland-based energy issues, including lease tips. Lease rates for solar vary by location, from several hundred dollars to $2,000 per acre per year. Landowners are paid for providing land. Winter advises landowners to be ready for offers and be aware of nondisclosure agreements. AFT worked with legal experts to develop a leasing guide for farmers and plans to expand it to other regions.Ongoing Research
Several universities are conducting research on agrivoltaics. Cornell, Iowa State, Ohio State, and Oregon State are developing interdisciplinary programs, with some having field-test sites and focusing on social science. The USDA's biggest investment in agrivoltaics is at the University of Illinois, which received a four-year, $10 million grant to develop experimental arrays and solar cropping trials. AFT is also working with The Land Institute on a pilot project to grow perennial wheatgrass between the rows.Healthy Skepticism
At the frontier of agrivoltaics, Pearce and Winter are confident about the opportunities but acknowledge the healthy skepticism from farmers. "It's been likened to farming in an obstacle course. There are challenges, and that's why we need more producer voices. We need to make sure we're mindful and balance the trade-offs between energy and agricultural production," Winter said. Annual academic agrivoltaics conferences have begun in the US and Canada.