Abstract
In India, more than two-thirds of the total electricity is generated from coal-based power plants. The country will be heavily dependent on coal for electricity generation at least for a few more decades. A low carbon scenario for 2030 is projected and the results show that coal-based power plant will contribute to 58 % of electricity generated. This paper reports the sustainability assessment of several Advanced Coal Technologies (ACT), with and without a CO2 capture system, for application in Indian coal-based power plants. In order to assess sustainability quantitatively, an index called Sustainability Index is estimated using a sequential combination of the Analytic Hierarchy Process and a multi-criteria decision-making method. The results show that ACTs like supercritical and ultra supercritical power plants with a carbon capture system have higher sustainability indices. These ACTs will help in reducing the CO2 emissions and combat climate change. This study helps academicians, industrialists, policymakers, and other stakeholders to develop a technology roadmap for sustainable development in India.
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