DenkiMonitor is a tool for monitoring electric power supply in Japan. About one year ago, historical earthquake and tsunami hit northeast Japan. It caused the worst nuclear accident, Fukushima Daiichi disaster. At that time, there were 54 nuclear reactors for power generation. The accident destroyed four reactors. After the accident, majority of people have great concern about nuclear safety. On May 4,the last nuclear generation reactor was stopped. On June8, Prime Minister Noda decided to restart two nuclear reactors. Now, Japan is middle of hot Summer. You can watch Japans tight power demand-supply situation by using this tool.