Preliminary Investigation Into the Opportunities of Geothermal Energy Utilization for Air-Conditioning (Geothermal Cooling) in Indonesia
The economic growth of Indonesia in recent years has led to a significant increase of energy demand, particularly regarding to power provisions in the big cities. It has been cited that the majority of the electricity demand is contributed from air-conditioning (cooling) in commercial buildings, which has been cited to be about 50-60% from the total electricity load. As the facts are given, following questions will emerge towards the relevancy and viability of geothermal to deliver such provisions in Indonesia. Therefore, an early screening is required to justify whether the opportunity is worth for further investigation. Thus, this study provides an early examination into the opportunities for geothermal driven cooling systems by providing the key considerations in prospecting and in developing a particular cooling application.
The investigation starts with the identification of relevant geothermal resources available in Indonesia, either deep geothermal resource or shallow-ground resources, to provide the required energy for cooling. Moreover, the pertinent technologies are also selected corresponding to the relevant geothermal resources. Further, a generic technical evaluation is carried out towards the essential technical aspects of geothermal utilization, which is followed by cost and economic evaluation to obtain viable economic merits for geothermal cooling development. In addition, the potential benefits and advantages resulted from the applications are also provided and measured in this study i.e. demand-side management, carbon emission reduction and cost savings.