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Thursday, January 05, 2023

Feds, faculty seek symbiotic 'Reese's Cup' mix of farms, solar; Pa. creates a solar guide for farming communities

A combine harvests soybeans under hanging solar panels on an agrivoltaic site in France. The federal government hopes to inspire similar projects in the United States. (Photo by Patrick Hertzog, Agence France-Presse via Getty Images)

"Your solar panel shaded my corn!" "Your corn shaded my solar panel." "Wait! This could be the beginning of an incredible relationship." So might go a 21st century version of the 50-year-old Reese's Cup myth of magical beginnings.

For clean energy, some "Reese" options are being considered, report Daniel Moore and Maeve Sheehey of Bloomberg Law: "Developers are often eyeing fields of wheat, corn, and hay; ranches roamed by cattle and sheep; and plots bursting with berries and lettuce. If built there, solar panels can level farms that feed the country. Yet federal energy officials and university researchers believe there’s no conflict. The Energy Department is scaling up the emerging field of 'agrivoltaics,' which seeks innovations in both solar technology and farming techniques that can produce clean energy and food at the same time, on the same plot of land."

The department, which has been researching the topic since 2015, "announced $8 million for another six research projects that plan to assess issues like soil health, grazing methods, and outreach to minority farmers," Bloomberg reports. "Farming can also help solar panels. Arid land around solar installations can be a problem, blowing dust and hurting farmers next door. Planting crops like broccoli keeps the back of panels cool while conserving water—a win-win for plants and solar productivity, and especially important in the drought-plagued West."

The story's candy angle came from Andrea Gerlak, director of the University of Arizona’s Udall Center for Studies in Public Policy, who said, “It’s like a Reese’s peanut butter cup. You want to bring the chocolate and the peanut butter together." Michele Boyd, who leads DOE's agrivoltaics portfolio, told Bloomberg that the pairing "needs to work economically for the farmer, and it needs to work economically for the solar industry—that’s the sweet spot. Otherwise, why would they do it?”

Meanwhile, Pennsylvania, a state with little solar regulation, has released a community guide for solar projects, reports Philip Gruber of Lancaster Farming: "The document has no regulatory force, but it provides a set of principles designed to balance renewable energy, food production and environmental protection. . . . A key point is solar companies should do their best to ensure farming can continue within the solar array. This could involve elevating the panels or spacing them widely, using livestock to manage vegetation, and designing the project so that a farmer who rents the land can continue to do so."

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