耕作放棄地への太陽光発電導入ポテンシャルに関する分析：淡路市の事例からの示唆

Land availability has become a major issue for the maximum introduction of renewable energy, and high expectations are growing for the effective use of abandoned farm land. On the other hand, many of the abandoned farm lands are located in mountains and valleys, and are dispersed on a small scale. From the viewpoint of the feasibility of solar power generation, there are concerns about poor sunlight and accessibility. In this study, the introduction potential was evaluated in Awaji City, Hyogo Prefecture, taking these conditions into consideration. As a result of identifying the abandoned farm land using satellite data, and evaluating suitability for solar generation considering the distance to the nearest power distribution system, slope and inclination direction, it is found that around 40% of the total abandoned farm land is suitable for the solar power generation. On the other hand, since the abandoned farm land is small and dispersed, it is indicated that developing a mechanism for forming a large number of projects to introduce small-scale solar power generation in such abandoned farm land and sell power to neighboring buildings deemed necessary.