Tohoku University Technology: Balancing solar power generation and agriculture: T16-212
Meet yield standards for solar panel installation and contribute to prevention of natural disasters
In line with the introduction and promotion of renewable energy, the use of agricultural land for solar power generation projects is permitted, but there is a requirement that the simple yield of agricultural land below which solar panels are installed must be at least 80% of the average in the same region in the same year. In order to achieve this, it is necessary to secure the amount of light to plants by spacing the panels, but there is a problem that the amount of electricity generated by these panels decreases. On the other hand, the installation of the panels reduces the amount of light to plants, which adversely affects the yield. To solve these problems, the present invention provides a method for complementing the amount of light with an LED irradiator installed on the back side of the panels. The inventors completed and patented the present invention by obtaining detailed data on grass (Orchard glass, perennial ryegrass) growth and the amount of LED light. With the present invention, it is possible to secure the yield of agricultural products while contributing to the spread of solar power generation. On the other hand, in recent years, mountainous areas have been rapidly cleared and the installation of solar panels has been progressing, which is considered to be one of the causes of frequent natural disasters. By using the present invention, it is possible to install solar power generation facilities while maintaining farmland, which can contribute to the prevention of natural disasters.
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The revenue generated from technology transfer is reinvested as new research funding for universities and researchers, and is utilized to create further research outcomes. To ensure the smooth operation of this cycle, known as the "Intellectual Creation Cycle," we will vigorously promote technology transfer. The types of seeds we handle include patents, know-how, databases, and programs. We have established a collaborative framework by signing basic technology transfer agreements with the following universities (as of June 1, 2025): Tohoku University, Hirosaki University, Iwate University, Akita University, Fukushima University, Yamagata University, Tohoku Gakuin University, Iwate Medical University, Fukushima Medical University, Aizu University, Miyagi University, Hokkaido University, Muroran Institute of Technology, and Showa Medical University.
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