Abstract
This study shows the state of the energy transition towards 100% renewable energy in Japan. The status and support policy of renewable energy are described with issues to reform existing electrical power system for energy transition. As social aspects, issues facing electrical power system reform and social acceptance are discussed. Policy feasibility of an energy transition is shown as development of FIT scheme for renewable energy. Furthermore, long-term vision and community power for promoting an energy transition are discussed with strategy and indicators for 100% renewable energy region. As conclusions, policy recommendations are proposed for promoting energy transition towards 100% renewable energy in Japan.
