Nasruddin and others

As one of the countries that traversed by the world׳s ring of fire, Indonesia hence holds the geothermal potential, which is indicated by the existing 117 active volcanoes spread across the country. Indonesia׳s geothermal energy potential is estimated about 40% of the world׳s geothermal energy potential or about 28,617 MW. However, only about 4.5% is being utilized as electrical energy in the country. The government of Indonesia is continuously putting the effort to increase the capacity of geothermal power plant. It is planned to install more geothermal power plant in Indonesia that amounted up to 9500 MW by 2025.