Technical initiatives to develop low-medium temperature geothermal resources in Indonesia: Lessons learned from the United States

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中文题名印度尼西亚开发中低温地热资源的技术举措:来自美国的经验教训
作者Vincentius Adven Brilian
作者单位Geoenergis (PT Geoenergi Solusi Indonesia), Cibis Nine 11th Floor, Jakarta, Indonesia
刊名Geoenergy Science and Engineering
2025
247
213720
摘要
The geothermal power plant development in Indonesia reached an installed capacity of 2413 MW at the end of 2023, equivalent to 11% of Indonesia's geothermal potential of 23 GW. However, the development of geothermal energy in Indonesia is still predominantly focused on high-temperature resources, with only 8.29 MW (0.3%) of the total installed capacity coming from low-medium temperature resources. One of the challenges hindering the development of low-medium temperature geothermal resources is the less attractive economic viability of these resources compared to high-temperature resources because the development of low-medium temperature geothermal resources requires the use of downhole pumps to discharge the fluid and the more expensive binary plant technology compared to flash plants. Meanwhile, 9 low-medium temperature geothermal fields with development plans totaling up to 430 MW are included in Indonesia's National Strategic Project (PSN) pipeline until 2030. Therefore, this study aims to identify potential technical initiatives to develop low-medium temperature geothermal resources in Indonesia by extracting the lessons that can be learned from the United States through literature reviews including targeting shallow outflow zones, utilizing downhole pumps, and implementing well stimulations in the development of low-medium temperature geothermal resources.

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