Technology development towards localised small-scale electricity generation and its use in smart buildings

Yasumitsu Tanaka, Kazuyuki Tohji

Research output: Chapter in Book/Report/Conference proceedingChapter


Technological development is required for systems which will allow current centralised energy systems to be replaced by more dispersed and multiple low-energy sources. Such a system poses challenges both in maximising possible sources of small energy and also in developing the batteries necessary to deal with their intermittent supply. This chapter describes development of systems which run on limited sources of DC energy, and the interaction between the supply sources and the batteries to provide systems which are resilient to blackouts from natural disasters. It also describes work at Tohoku University on micro-scale generation from activities in everyday life and the first stages towards harnessing local marine energy and biomass sources. This development was tested by the disaster of the Great East Japan Earthquake and Tsunami on March 11, 2011 after which a black out and complete cessation of utilities lasted from a few days to several weeks, emphasising the critical importance of resilient energy sources.

Original languageEnglish
Title of host publicationTopical Themes in Energy and Resources
Subtitle of host publicationA Cross-Disciplinary Education and Training Program for Environmental Leaders
PublisherSpringer Japan
Number of pages18
ISBN (Electronic)9784431553090
ISBN (Print)9784431553083
Publication statusPublished - 2015 Jan 1


  • DC/AC hybrid
  • Energy management system
  • Local generation
  • Renewable energy
  • Secondary battery
  • Small energy
  • Smart building

ASJC Scopus subject areas

  • Economics, Econometrics and Finance(all)
  • Business, Management and Accounting(all)
  • Environmental Science(all)
  • Earth and Planetary Sciences(all)


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