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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 Japan's tight power demand-supply situation by using this tool.

What’s New

Version 4.2.0

Due to several facilities' URL change, prior version(4.1.0) did not work. This version fixed the problems. This version works for all 10 facilities.

App Privacy

The developer, KM Software Design, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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