Great East Japan Earthquake and the following accident at Fukushima Nuclear Power Station of Tokyo Electric Power Company have revealed many issues and studies to us. It was not only a energy source issue but entire system issue over energy network in Japan. This paper identifies what is required to solve these issues from business model, regulation,some technical perspectives, and make proposal of intelligent information infrastructure in order to build more sustainable community.The proposed infrastructure includes highspeed messaging network, bigdata storage and analisys functions that will give easier approach to new coming energy servicer to create tolerable and flexible infrastructure with less initial and running investment for information infrastructure.
