Introducing how Japanese geothermal development has evolved for last 50 years.  (Diamond online magazine, September 28, 2016)
Japanese government wishes to develop more large-scale geothermal power plants, however, challenges are long-term pre-research and planning and national park law that interferes the development. The article also mentions the advantages of the geothermal power in comparison with nuclear energy and other renewable energy development.
Later in the article introduces Kenya, where many Japanese manufacturers go to develop made-in-Japan geothermal plants, the reality of Japanese geothermal development.