*Bruce Musa Kathurima Mutegi^1,2、Tatsunori Ikeda²、Gladys Kianji¹、Deflorah Kangogo⁵、John Githiri⁷、Philip Omollo⁴、Takeshi Tsuji³、Chanmaly Chhun⁶ (1.University of Nairobi、2.Kyushu University、3.University of Tokyo、4.Kenya Electricity Generating Company、5.Geothermal Development Company、6.Cornell University、7.Jomo Kenyatta University of Agriculture and Technology)