100% renewable energy system in Japan: Smoothening and ancillary services

Miguel Esteban*, Joana Portugal-Pereira, Benjamin C. Mclellan, Jeremy Bricker, Hooman Farzaneh, Nigora Djalilova, Keiichi N. Ishihara, Hiroshi Takagi, Volker Roeber

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

95 Citations (Scopus)
72 Downloads (Pure)


In the aftermath of the Paris Agreements, many countries around the globe have pledged to reduce the amount of greenhouse gas emissions being released into the atmosphere. To do so, it is important that the amount of renewable energy in the electricity grid increases. However, there are worries of the capacity of the grid to cope with intermittent energy sources. To assess the feasibility of a 100% renewable energy system in Japan, the authors conducted an hourly simulation of future electricity production based on wind, solar and tidal data. The system was shown to be stable, and the authors calculated the required capacity of electrical batteries that would be necessary to balance such a system.

Original languageEnglish
Pages (from-to)698-707
Number of pages10
JournalApplied Energy
Publication statusPublished - 15 Aug 2018


  • Ancillary services
  • Electricity storage
  • Renewable energy
  • Solar
  • Wind


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