Geothermal power in Japan

Overview of geothermal power in Japan

Matsukawa geothermal power station, the first commercial geothermal power station in Japan

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][2] Geothermal power plays a minor role in the energy sector in the country: in 2013 it supplied 2596 GWh of electricity, representing about 0.25% of the country's total electricity supply.[3]

Development of new geothermal power stations essentially stopped since the mid 1990s, mainly due to the strong resistance from local communities. Most of the potential sites are located in government-protected areas and in tourist destinations, thanks to the presence of traditional hot springs or onsen.[2][4] Local communities in these areas are often dependent on revenue from tourists visiting onsen, and are opposed to geothermal developments because of the negative impact that the industry may have on the scenery and the resulting damage to the tourism industry and the local economy.[5][6]

However, interest in geothermal energy has been increasing in recent years due to the Japanese energy crisis following the Fukushima disaster and the subsequent closure of most of the country's nuclear power stations. Businesses and the government are currently considering over 60 possible sites for new geothermal power development. Estimates put the total capacity potential of geothermal power at 23 GW, the third largest amount in the world after the United States and Indonesia.[4] An estimation suggests that about 1,500 hot water wells and springs could generate as much as 723 MWe without additional drillings.[2]

## Power stations

[edit]

Geothermal power plants in the Islands of Japan

As of 2003, 20 geothermal power plants are in operation at 18 locations in Japan.[2][7][8]

Name  | Capacity (MWe)  | Year  | Notes

|
|
|

Mori  | 50 | 1982 |
Onuma  | 9.5 | 1974 |
Sumikawa  | 50 | 1995 |
Matsukawa | 23.5 | 1966 |
Kakkonda 1 & 2  | 80 | 1978–1995 |
Uenotai  | 28.8 | 1994 |
Onikobe  | 15 | 1975 |
Yanaizu-Nishiyama  | 65 | 1995 |
Hachijō-jima  | 3.3 | 1999 |
Suginoi  | 1.9 | 1981 |
Takigami  | 25 | 1996 |
Otake  | 12.5 | 1967 |
Hatchōbaru 1 & 2 | 112 | 1977–2006 |
Kujū  | 0.99 | 1998 |
Takenoyu  | 0.1 | 1991 | closed
Kirishima-kokuksai  | 0.1 | 1984 | currently stopped
Ogiri  | 30 | 1996 |
Yamagawa  | 30 | 1995 |

## Technology

[edit]

Yamagawa geothermal power station, opened in March 1995 with a capacity of 30 MW. It is one of the few plants located near the coast on flat land.[7]

Japan has developed advanced technologies for the exploration, development, utilization and monitoring of geothermal resources.[2] Due to the stagnant domestic geothermal sector, most of the technologies have been used in overseas development in recent years.[4] Japan provided about 67% of all the turbines used in geothermal power stations in the world in the last 10 years.[2]

## History

[edit]

The country's first experimental geothermal power station was opened in 1925 in Beppu, Ōita Prefecture. However, research in geothermal energy was slowed down by the Second World War. The first full scale geothermal power generation plant was Matsukawa in Iwate Prefecture, owned by Nihon Heavy Chemical Industory Corp. The plant started operating in 1966 with a capacity of 9.5 MW.[7] In 1967, Otake Geothermal Power station in Ōita Prefecture, owned by Kyushu Electric Power, launched with 11 MW. After these first generation facilities, which were considered large scale experimental plants, from the mid-1970s new generation more efficient geothermal plants were opened. Until the mid-1980s, these were typically mid-sized plants with capacities of around 50 MW. Starting from the late 1980s more advanced technologies allowed for the economical exploration and development of even smaller geothermal resources, allowing the launch of several smaller scale plants.[7] Total generation reached 500 MW in 1996.[7][9]

In April 2011, Japanese Ministry of the Environment issued a "Study of Potential for the introduction of Renewable Energy" report.[10] It has shown total 19.14GW of Japanese geothermal resource potential.[9]

## See also

[edit]

* List of geothermal power stations
* Energy in Japan
* Electricity sector in Japan
* Hydroelectricity in Japan
* Solar power in Japan
* Wind power in Japan
* Renewable energy by country

## References

[edit]

1. ^ Bertani, Ruggero (September 2007), "Characteristics, Development and utilization of geothermal resources" (PDF), Geo-Heat Centre Quarterly Bulletin, vol. 28, no. 2, Klamath Falls, Oregon: Oregon Institute of Technology, pp. 1–9, ISSN 0276-1084, archived from the original (PDF) on 2010-06-17, retrieved 2009-04-16
2. ^ a b c d e f "Geothermal Energy. Japan: Resources and Technologies" (PDF). The Geothermal Research Society of Japan. Archived from the original (PDF) on 4 March 2016. Retrieved 11 November 2015.
3. ^ "Japan: Electricity and Heat for 2013". www.iea.org. International Energy Agency (IEA). Archived from the original on 4 March 2016. Retrieved 11 November 2015.
4. ^ a b c Demetriou, Danielle (16 March 2014). "Japan's first new geothermal power plant in 15 years to open next month". The Telegraph. Retrieved 11 November 2015.
5. ^ "Japanese spa town in a lather over geothermal plans". The Guardian. 7 February 2009. Retrieved 13 November 2015.
6. ^ "Japan's spa lovers fuel fire against geothermal giants". The Globe and Mail. 20 September 2008. Retrieved 13 November 2015.
7. ^ a b c d e Kawazoe, Seiki. "Geothermal Japan – History and Status of Geothermal Power Development and Production" (PDF). Geothermal Resources Council. Archived from the original (PDF) on 6 November 2015. Retrieved 11 November 2015.
8. ^ Kimbara, K.; Takahashi, M. (May 1996). "The Series of the Geothermal Power Stations in Japan". Chishitsu News. 501. Archived from the original on 2008-07-03. Retrieved 2009-10-18.
9. ^ 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
10. ^ http://www.env.go.jp/earth/report/h22-02/full.pdf 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]

* Electrical Japan: Google Maps of Power Stations (Geothermal) (in Japanese)

Wikimedia Commons has media related to Geothermal energy in Japan.

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