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The current use of hydroelectric energy in Japan

The current use of hydroelectric energy in Japan. 11720212 Shunpei Furuta. 1. For Hydroelectric power. 1/6. Net domestic energy responsible for 35% of the energy independence of our country Renewable energy generation does not emit carbon dioxide in the process

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The current use of hydroelectric energy in Japan

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  1. The current use of hydroelectric energy in Japan 11720212 ShunpeiFuruta

  2. 1. For Hydroelectric power 1/6 • Net domestic energy responsible for 35% of the energy independence of our country • Renewable energy generation does not emit carbon dioxide in the process • Long-term fixed supply, contributing to the stability of electricity prices • Quickly respond to rapidly changing demand and generation

  3. 2. Kind of Hydroelectric power 2/6 • Conventional Hydroelectric Collect the water flow to generate electricity was brought to a high place by the forces of nature, water flows to the sea end of the power through the river.

  4. 2. Kind of Hydroelectric power 3/6 • Pumped-Storage Hydroelectric Periods of low load (mainly at night), an artificial force (pump) every time the load is concentrated to high water pumped up by the (mostly daytime) in flowing water to generate electricity, power generation is finished Make water reservoir

  5. 3.Current use of hydroelectric energy 4/6 • According to the demand for electricity, which controls the generator output • When Sudden changes in demand or peak demand, Hydropower is utilized.

  6. 3.Current use of hydroelectric energy 5/6 • In recent years, the center of hydropower development, hydropower has been changed to small hydro (less than 1000kW in particular) from large hydro. small hydro large hydro

  7. 4. conclusion 6/6 • There is potential for future development are small and medium hydropower. • Large initial investment, have shown a long number of years required to recover costs from the small scale investment.

  8. Thank you for attention

  9. Reference • [1] 科学技術動向　2010年 3月号　レポートhttp://www.nistep.go.jp/achiev/ftx/jpn/stfc/stt108j/1003_03_featurearticles/1003fa02/201003_fa02.html • [2] 水力・地熱発電、雪氷エネルギー等の現状と取組についてhttp://www.meti.go.jp/committee/materials2/downloadfiles/g90309c04j.pdf • [3] 水力ドットコム http://www.suiryoku.com/index.html

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