Prospects of Attaining Thailand’s Carbon Neutrality Target Through Carbon Capture and Storage by Public Power Utility

Waranya Thepsaskul, Wongkot Wongsapai (), Tassawan Jaitiang () and Panuwich Jaekhajad
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Waranya Thepsaskul: Program in Energy Engineering, Department of Mechanical Engineering, Faculty of Engineering, Chiang Mai University, Chiang Mai 50200, Thailand
Wongkot Wongsapai: Faculty of Engineering, Chiang Mai University, Chiang Mai 50200, Thailand
Tassawan Jaitiang: Multidisciplinary Research Institute, Chiangmai University, Chiang Mai 50200, Thailand
Panuwich Jaekhajad: Energy Technology for Environment Research Center, Chiang Mai University, Chiang Mai 50200, Thailand

Sustainability, 2025, vol. 17, issue 1, 1-21

Abstract: Thailand has committed to achieving carbon neutrality by 2050, targeting the power generation sector, which contributes 35% of the country’s CO 2 emissions, as a critical area for intervention. This study explores the transition toward carbon neutrality in power generation, focusing on fossil-fuel-based plants, particularly lignite and natural gas, which remain central to Thailand’s electricity production. A key strategy adopted by the Electricity Generating Authority of Thailand (EGAT) is “Sink Co-creation”, which includes the deployment of Carbon Capture and Storage (CCS) technologies in existing and future lignite power plants, leveraging favorable storage conditions. Additionally, natural gas power plants exhibit significant CCS potential through source–sink matching mechanisms. This study finds that the total greenhouse gas (GHG) emission reductions from fossil-fuel-based power plants could reach 17.07 MtCO 2 . Of this total, lignite power plants are projected to achieve a reduction of 3.79 MtCO 2 by 2036, while natural gas power plants are expected to contribute an additional 13.28 MtCO 2 in reductions by 2050. However, the realization of these reductions faces significant challenges, including the high costs associated with CCS implementation and limited investor interest, underscoring the critical need for sustained government support and policy incentives to facilitate progress toward carbon neutrality.

Keywords: public power utility; carbon capture and storage (CCS); coal-fired power plant; climate action; carbon neutrality (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2025
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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