Abstract
The characteristic of small to medium size islands is the limited amount of natural resources for electric generation. Presently the needs of energy in Maluku Province are supplied by the diesel generation units. The electricity distributes through an isolated grid system of each island. There are 10 separate systems in Maluku Province, namely Ambon, Namlea, Tual, Saumlaki, Mako, Piru, Bula, Masohi, Dobo and Langgur. From the geothermal point of view, this condition is suitable because the nature of the generation is small to medium and the locations are dispersed. The geological condition of Maluku Province is conducive for the formation of geothermal resources. The advanced utilization of geothermal energy in Maluku Province is in Tulehu located about 8 kilometers NE of Ambon. It is expected that 60 MW electric will be produced at the first stage in 2019. A total of 100 MW resources were estimated. Other places of geothermal potentials are Lauke and Tawen both located in Ambon Island with the potentials of 25 MW respectively. In Oma Haruku, Saparua and Nusa Laut the geothermal potentials were estimated to be 25 MW each. The total amount of geothermal energy in Maluku Province is thus, 225 MW which will contribute significantly to the needs of projected 184 MW in the year 2025.
Highlights
The increasing needs for electricity The electricity demands in Maluku Province is constantly increasing in line with the progressing development and the number of population
Recommendations The government should provide the incentive for development of geothermal energy in the Islands Province, taking into account the negative economic feasibility due to the limited number of population and the demands; The incentive might be in the form of exploration and feasibility study which will reduce the risk in the geothermal development
The scheme will draw the interest of investors; ACKNOWLEDGMENT The authors wish to express their gratitude to the Provincial Government of Maluku for the Cooperation between the Government and Padjadjaran University
Summary
The increasing needs for electricity The electricity demands in Maluku Province is constantly increasing in line with the progressing development and the number of population. It occurs in many locations in North Maluku province, among others in Gesowong and Bacan. Some requirements are needed to accumulate the geothermal energy, namely: a) The heat source, in Maluku Province is the volcanoes; b) The stage of the volcano must be in dying phase or the volcano is old, preferably of Pliocene to Lower Pleistocene This phenomenon is usually presented by the deeply eroded shape of the volcanic body. Based on the requirement pointed above, the following table shows the list of geothermal prospects in Maluku Province (Table 2)
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