Riki Firmandha Ibrahim is delighted. He is convicted that he will be able to restore the geothermal working areas (WKPs) in Dieng and Patuha, respectively in Central and West Java, which had been dormant for almost three decades. This chief executive officer (CEO) of Geo Dipa Energy has started to revitalize assets in both working areas, which have a total geothermal energy potential of 800 megawatts (MW).