Japanese energy management in smart grid after the great east Japan earthquake

Yasuhiro Hayashi*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


SUMMARY The Great East Japan Earthquake drastically changed the energy management scheme in the electric power grid in Japan. Nuclear power plants ceasing operation caused an increase in electricity costs. Demand side energy management schemes such as demand response are now needed to reduce the peaks in electric power demand by using the Home Energy Management System (HEMS) and Building Energy Management System (BEMS). This paper describes the trends in Japan for energy management based on demand response and international standardization of communications protocols, and points out future issues and possibilities.

Original languageEnglish
Pages (from-to)20-25
Number of pages6
JournalElectrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi)
Issue number2
Publication statusPublished - 2014 Nov


  • BEMS
  • Great East Japan Earthquake
  • HEMS
  • demand response
  • energy management
  • international standardization
  • smart grid

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering


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