Initiatives to Supply 100% Renewable Energy on Hahajima Island Microgrid Project

In Japan, an island nation, establishing technology for 100% renewable energy supply in microgrids is expected to further promote the adoption of renewable energy. With this in mind, the authors launched the Hahajima Island Microgrids Project, aiming for 100% renewable energy supply on Hahajima Island. Hahajima Island relies on energy sources supplied from mainland Japan. In addition, there is a strong need to reduce environmental impact because