Abstract
It is well known that geothermal potential of Indonesia is very vast. Indonesia is associated with volcanoes that lie along Sumatra, Java, Bali, and the islands of eastern part of Indonesia. Directorate General of New, Renewable Energy & Energy Conservation of Indonesia reported that the geothermal potential is about 29GWe, composed of 312 geothermal potential locations. The current geothermal fields are operated from 11 locations with a significant increase of four new geothermal fields in four locations compared to seven locations in the last 5years in 2010. The total installed electrical capacity is 1438.5MW, consisting of Darajat geothermal field (270MW), Dieng (60MW), Kamojang (235MW), Gunung Salak (377MW), Sibayak (12MW), Lahendong (80MW), Wayang Windu (227MW), Lumut Balai – South Sumatra (110MW), Ulumbu – Flores (10MW), Mataloko – (2.5MW), and Patuha – West Java (55MW). In the last 5years, the Government of Indonesia (GOI) was committed to use the biggest geothermal energy resources to become the largest geothermal producer in the world as a leading alternative energy. To attract investors to develop and use the geothermal resources, GOI has issued the general policy on tariff, business attractiveness, and other fiscal incentive as well as the new Geothermal Law No. 21 in 2014. However, the progress of geothermal development is behind the expectation toward 9500MW by 2025. But, the exploitation is growing, although slowly, and it is expected that the installed capacity of geothermal in 2025 will be more than 6000MW.
Published Version
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