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This study analyzed energy and technological implications in the energy sector to attain net zero emissions in Thailand by 2050. The study used AIM/Enduse, a bottom-up type energy system model, as an analytical tool. A business-as-usual and a net zero emission scenario are analyzed. Net zero emission scenarios are assessed in terms of net zero greenhouse gas emissions (NZE-GHG). Results show that the GHG emissions from the energy sector in the BAU would reach 635 MtCO2e in 2050. Decarbonization of the energy sector and transition towards net zero emission by 2050 in Thailand would require rapid deployment of renewable energy sources like solar, wind and biomass. In net zero scenario, installed capacity of solar PV and wind for power generation in 2050 would reach 64 GW and 40 GW, respectively. In addition, this study assesses the role of green hydrogen in achieving net zero target. The 200 GW solar capacity would be required to produce green hydrogen for decarbonizing the transport, industrial as well as power sector. The high carbon sequestration from LULUCF sector in Thailand will make it possible to reach net zero emission with carbon dioxide capture and storage (CCS) technology in the energy sector. Additional bioenergy or CCS technologies will need to be deployed in the power sector if the renewables cannot be deployed to the desirable extent.
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