Technical Study on The Design of Tangkuban Perahu Geothermal Power Plant
Keywords:
Aspen Hysys, Modeling, Reservoir, Tangkuban Perahu, Thermodynamics, Geothermal Power Plant, WKPAbstract
The Tangkuban Parahu Geothermal Working Area (WKP) possesses significant geothermal energy potential with high-temperature (high enthalpy) reservoir characteristics estimated at 240–270°C. This potential makes WKP Tangkuban Parahu one of the most promising areas for geothermal power plant development in Indonesia. This study aims to evaluate geothermal resource potential, design an optimal geothermal power generation system, and estimate the overall project development costs.
The analysis integrates geological, geochemical, and geophysical survey data from previous exploration studies. For power generation design, thermodynamic modeling was conducted using Excel with Coolprop extension, considering technologies single flash. This technology were selected for their advantages in utilizing geothermal resources with relatively high efficiency. This research is mainly focused on recalculation of Single Flash Cycle from Tangkuban Perahu Pre-FS Document that were conducted by PT.PLN and PT. New Quest
Based on Monte Carlo simulation results, the electrical power potential of WKP Tangkuban Parahu is estimated at 22 MW (P90) to 67 MW (P10), with a median value of 43 MW (P50).
The findings of this study are expected to serve as an important reference in designing an efficient and sustainable geothermal power plant at Mount Tangkuban Parahu WKP and support PT PLN in achieving its national renewable energy mix targets.
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