India, the world's third-largest carbon emitter, faces a critical challenge in reconciling its growing energy demands with its climate commitments. With coal accounting for 44% of the primary energy supply and the power sector contributing 40% of P emissions, the need for innovative solutions such as Carbon Capture and Storage (CCS) becomes critical for decarbonization. As outlined in the Government of India’s Long-Term Low-Carbon Development Strategy (2022), CCS is identified as a key strategy in addressing these challenges and achieving the country’s climate goals. Although there has been progress in CCS research, a significant gap remains in life cycle assessments (LCA) tailored to Indian coal-fired power plants. This study seeks to fill that gap by performing a comprehensive LCA of CCS implementation at the NTPC Simhadri power plant, examining various environmental impact categories, including Global Warming Potential (GWP20), particulate matter formation, and terrestrial acidification. The anticipated results suggest a substantial reduction in CO2 emissions, with CCS expected to capture between 85 and 90% of emissions, while also revealing potential trade-offs with other environmental impacts. These insights provide an opportunity to optimize CCS in India's power sector, thereby contributing to broader climate objectives and informing future policies aimed at facilitating a low-carbon energy transition.

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Advancing Carbon Capture and Storage (CCS) in India’s Coal-Fired Power Sector: A Life Cycle Assessment Approach

  • Tushar Verma,
  • Albert Thomas

摘要

India, the world's third-largest carbon emitter, faces a critical challenge in reconciling its growing energy demands with its climate commitments. With coal accounting for 44% of the primary energy supply and the power sector contributing 40% of P emissions, the need for innovative solutions such as Carbon Capture and Storage (CCS) becomes critical for decarbonization. As outlined in the Government of India’s Long-Term Low-Carbon Development Strategy (2022), CCS is identified as a key strategy in addressing these challenges and achieving the country’s climate goals. Although there has been progress in CCS research, a significant gap remains in life cycle assessments (LCA) tailored to Indian coal-fired power plants. This study seeks to fill that gap by performing a comprehensive LCA of CCS implementation at the NTPC Simhadri power plant, examining various environmental impact categories, including Global Warming Potential (GWP20), particulate matter formation, and terrestrial acidification. The anticipated results suggest a substantial reduction in CO2 emissions, with CCS expected to capture between 85 and 90% of emissions, while also revealing potential trade-offs with other environmental impacts. These insights provide an opportunity to optimize CCS in India's power sector, thereby contributing to broader climate objectives and informing future policies aimed at facilitating a low-carbon energy transition.