2019 年 42 巻 2 号 p. 3-8
Who makes decisions about power system planning in terms of generation deployment and grid infrastructures? Since the worldwide deregulation and unbundling of power systems, various scientific and objective modelling tools for grid planning have been developed. However, few planning discussions have taken place in Japan, where the power systems have not been fully unbundled. This article shows the latest international trends on grid planning including targets/projections of energy mix, generation deployment and grid expansion.