Geothermal power in Japan

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Matsukawa geothermal power station

Japan has favorable sites for geothermal power because of its proximity to the Izu-Bonin-Mariana Arc. In 2007, Japan had 535.2 MW of installed electric generating capacity, about 5% of the world total.[1]

There are geothermal electric power plants at the following locations:[2]

Geothermal power plants in the Islands of Japan
  • Mori
  • Ohnuma
  • Matsukawa
  • Kakkonda
  • Uenotai
  • Onikoube
  • Yanaizu-Nishiyama
  • Hachijo-Jima
  • Suginoi
  • Ohtake
  • Hacchobaru
  • Oguni
  • Kirishima Kokusai Hotel
  • Ohgiri
  • Yamagawa


In 1966, Matsukawa Geothermal P/P in Iwate Pref., owned by Nihon Heavy Chemical Industory Corp., started the operation by 9.5MW. In 1967, Ohtake Geothermal P/P in Ohita Pref., owned by Kyushu Electric Power launched by 11MW. Following a few decades, Japanese Energy Policy drove the development of Geothermal energy, like a "Subsidy for the Cost of Geothermal Power Plant development" and increased the plant number. In 1996, total generation reached 500MW. But, in 1979, "Act on the Rational Use of Energy" left the Geothermal energy from "New Energy" category, so, slackened it up to the present.[3]

In April 2011, Japanese Ministry of the Environment issued a "Study of Potential for the introduction of Renewable Energy" report.[4] It has shown total 19.14GW of Japanese geothermal resource potential.[3]

See also[edit]


  1. ^ Bertani, Ruggero (September 2007), "Characteristics, Development and utilization of geothermal resources" (PDF), Geo-Heat Centre Quarterly Bulletin (Klamath Falls, Oregon: Oregon Institute of Technology) 28 (2): 1–9, ISSN 0276-1084, retrieved 2009-04-16 
  2. ^ Kimbara, K.; Takahashi, M. (May 1996). "The Series of the Geothermal Power Stations in Japan". Chishitsu News 501. Retrieved 2009-10-18. 
  3. ^ a b 伊藤義康、 『分散型エネルギー入門』、講談社、2012年5月20日第1刷、ISBN 9784062577724、p.94-95
  4. ^ 平成21年度 再生可能エネルギー導入ポテンシャル調査(pdf)

External links[edit]