Feasibility and Benefits of Integrating Photovoltaic Systems with Rice Cultivation

Strategic Insights -

Researchers have made a breakthrough in renewable energy by studying the integration of photovoltaic (APV) systems with rice cultivation. According to a study published in the journal Agriculture, the feasibility and benefits of integrating APV systems with rice cultivation have been evaluated. The study aimed to assess the growth characteristics, chlorophyll content, and fluorescence of rice plants in APV systems, as well as electricity production. The research was conducted in Namhae-gun, Gyeongsangnam-do, South Korea, and involved the installation of a 97.12 kW APV system over a rice paddy area.

Key Takeaways:

  • The study found that rice plants in APV systems showed increased chlorophyll content and fluorescence, indicating an adaptive response to reduced sunlight.
  • Rice plants in APV systems exhibited greater plant height but fewer tillers compared to the control group.
  • Leaves were significantly longer and wider, enhancing photosynthetic efficiency under shading.
  • The yield of rice in APV systems was reduced by approximately 9% compared to the control group.
  • The APV system demonstrated stable electricity production, with consistent output throughout the year, despite variations in solar radiation.
  • The researchers concluded that integrating photovoltaic systems with rice cultivation is feasible and beneficial, providing a reliable source of renewable energy and enhancing farm income despite a slight reduction in rice yield.
  • The study highlights the potential of APV systems to contribute to sustainable agriculture and renewable energy expansion.

Statistics:

  • The APV system had a total capacity of approximately 97.12 kW.
  • The rice growing period in 2021 experienced lower than average temperatures and higher rainfall.
  • The yield of rice in APV systems was reduced by approximately 9% compared to the control group.
  • The APV system demonstrated stable electricity production, with consistent output throughout the year (data not specified).

Sources:

  • [1] Yun S-M, Seong D-G, Lee J J, Chung J-S. Assessment of Rice Productivity and Solar Power Generation in Agriphotovoltaic Systems. Agriculture, 2025,15(16):1741.
  • [2] Journal: Agriculture, Publisher: MDPI AG, URL: http://www.mdpi.com/journal/agriculture
  • [3] News report: NewsRx. Research in the Area of Renewable Energy Reported from Gyeongsang National University (Assessment of Rice Productivity and Solar Power Generation in Agriphotovoltaic Systems). Life Science Weekly. September 9, 2025; p 3980.