Atomic Energy of leverage essential to prepare for the Middle East risk in the energy mix Among the confrontation of the United States and Iran are tense is the situation in the Middle East intensified, Japan's energy security of the vulnerable (vulnerable) is is again close-up. Of the power generation energy sources that are used to, such as, how much self-domestic energy self-sufficiency ratio, which indicates whether the can be secured in at 2.0 years. (Fig.), At the lowest level in developed countries. If the outbreak is the Middle East emergency, such as the Strait of Hormuz by Japanese tanker was attacked on the moon is blocked, trouble is Oyobi to energy procurement and power supply, is inevitable given us a big impact on the lives and economic activities Absent. Dangerous thermal dependence split Saudi Arabia and the United Arab Emirates, the Strait of Hormuz is the entrance of the Persian Gulf, surrounded by such as in the Middle East oil-producing countries Iran. Narrowest at 0 km more than only the strait every day, tanker loaded with crude oil, which corresponds to about the split of the consumption of the world is sailing.