Development and Public Release of Solar Radiation Map for Effective Use of Solar Energy Based on GIS with Digital Surface Model

In Japan, local governments have introduced sensors and podcasting system in order to manage the rescue information in the time of disasters. For instance, Information and Communication Technology (ICT) have been actively utilized. However, during the Great East Japan Earthquake occurred on March 11, 2011, enormous tsunami results in a flood of the electrical equipment of many municipalities buildings caused the complete loss of power system. For this reason, ICT was not able to be used. Thus, independent power supplying facilities are really required. On the other hand, in the recent years in Japan an increased number of registered renewable energy and electric vehicles have been introduced. Therefore, in our research and in order to efficiently arrange the solar power, the amount of solar radiation map to figure out the land and roof suitable for solar power has been developed using the Geographic Information System (GIS) and Digital Surface Model (DSM). The map is published depending on the application of the residents. It will establish a method to encourage the efficient placement of solar power. 