To meet the rapidly growing demand and to provide secure base load power supply, Indonesia's power sector is seeing a growing share of coal in its generation mix. However, increased coal-based generation contributes to increased CO2 emissions. This study aims to define and evaluate the conditions under which coal-based generation could be deemed as carbon capture and storage ready. It considers the technical and economic implications of CO2 capture and storage for two candidate coal power plants in South Sumatera and West Java. A carbon capture storage of a couple of scenarios are evaluated for each power plant based on separation of 90%, 45% and 22.5% of CO2 from the power plant flue gas with an amine scrubbing process, supported by flue gas cleaning processes, and liquefaction of the captured CO2 for transportation to geological storage locations. The carbon capture storage operation would also run for 20 years, 15 years and 10 years, while the power plant design life is 25 years. The potential to sell captured CO2 for enhanced oil recovery in South Sumatera is also assessed. Results of this study will help Indonesia to identify a way to reduce CO2 emissions from the coal-based power sector in the long run and will contribute significantly to putting the country's energy sector on a sustainable development path.
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