en.Wedoany.com Reported - Japan has launched a solar sharing trial at the Kashiwa Campus of Chiba University in Kashiwa City, Chiba Prefecture, combining rice cultivation with perovskite photovoltaic power generation for the first time. On May 11, researchers and officials installed thin, flexible perovskite panels provided by Sekisui Chemical above a rice paddy, enabling power generation and crop growth to occur simultaneously in the same space.
This three-year study will evaluate the power output and durability of the perovskite panels, while also examining their impact on rice yield and quality. An adjacent plot using conventional silicon-based panels serves as a control group. Organizers stated that the power generation revenue can help enhance the financial stability of farms, partial shading may protect rice from high summer temperatures, and the lighter perovskite panels can reduce structural burden and make equipment easier to move. The generated electricity will be used for campus facilities, with plans to promote this model.
The research will focus on analyzing the interactions in three aspects: the impact of shading on rice yield depends on coverage density and light conditions during critical growth periods, but microclimate improvement under high summer temperatures may sustain yield and grain quality; power output is affected by module efficiency, effective irradiance, and factors such as temperature, humidity, and dust accumulation; panel durability must withstand harsh environments including high humidity, frequent rainfall, and agricultural chemicals, as well as mechanical stress from wind, debris, and seasonal farming operations.
By measuring electricity production, rice yield and quality indicators, as well as panel degradation and failure rates, the study will clarify whether perovskite solar sharing can achieve reliable integrated production of both food and electricity.
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