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@article{ART003309431},
author={Haein Kim and Yong-Gun Kim and YooJin Kim},
title={Carbon Neutrality Analysis by Linking Top-down CGE and Power Sector Modelsfor Korea},
journal={Journal of Environmental Impact Assessment},
issn={1225-7184},
year={2026},
volume={35},
number={1},
pages={1-14}

TY - JOUR
AU - Haein Kim
AU - Yong-Gun Kim
AU - YooJin Kim
TI - Carbon Neutrality Analysis by Linking Top-down CGE and Power Sector Modelsfor Korea
JO - Journal of Environmental Impact Assessment
PY - 2026
VL - 35
IS - 1
PB - Korean Society Of Environmental Impact Assessment
SP - 1
EP - 14
SN - 1225-7184
AB - This study develops an integrated assessment framework that links a bottom-up power systemcapacityexpansionmodel(UNICON-K-Power)witha top-downComputableGeneralEquilibrium model(UNICON-K-CGE)to analyze the economic impacts of Korea’s 2050 carbon neutrality pathways. The linkage enables detailed representation of technological and operational constraints in the power sector while capturing macroeconomic feedback across industries, households, and the government. A new linking algorithm is introduced to enhance convergence stability and computational efficiency compared to conventional hybrid modeling approaches. Scenario analysis shows that greater availability oflow-carbon technologies accelerates renewable-based electrification,thereby mitigating the economic cost of achieving carbon neutrality. The results highlightthe pivotalrole ofthe power sectorin providing affordable, clean electricity and underscore the importance of accelerating deep emission reduction technology development and market deployment to reduce the overall economic burden of decarbonization.
KW - Energy Transitions;Macroeconomic Analysis;Power System Analysis;Modeling Integration
DO -
UR -
ER -

Haein Kim, Yong-Gun Kim and YooJin Kim. (2026). Carbon Neutrality Analysis by Linking Top-down CGE and Power Sector Modelsfor Korea. Journal of Environmental Impact Assessment, 35(1), 1-14.

Haein Kim, Yong-Gun Kim and YooJin Kim. 2026, "Carbon Neutrality Analysis by Linking Top-down CGE and Power Sector Modelsfor Korea", Journal of Environmental Impact Assessment, vol.35, no.1 pp.1-14.

Haein Kim, Yong-Gun Kim, YooJin Kim "Carbon Neutrality Analysis by Linking Top-down CGE and Power Sector Modelsfor Korea" Journal of Environmental Impact Assessment 35.1 pp.1-14 (2026) : 1.

Haein Kim, Yong-Gun Kim, YooJin Kim. Carbon Neutrality Analysis by Linking Top-down CGE and Power Sector Modelsfor Korea. 2026; 35(1), 1-14.

Haein Kim, Yong-Gun Kim and YooJin Kim. "Carbon Neutrality Analysis by Linking Top-down CGE and Power Sector Modelsfor Korea" Journal of Environmental Impact Assessment 35, no.1 (2026) : 1-14.

Haein Kim; Yong-Gun Kim; YooJin Kim. Carbon Neutrality Analysis by Linking Top-down CGE and Power Sector Modelsfor Korea. Journal of Environmental Impact Assessment, 35(1), 1-14.

Haein Kim; Yong-Gun Kim; YooJin Kim. Carbon Neutrality Analysis by Linking Top-down CGE and Power Sector Modelsfor Korea. Journal of Environmental Impact Assessment. 2026; 35(1) 1-14.

Haein Kim, Yong-Gun Kim, YooJin Kim. Carbon Neutrality Analysis by Linking Top-down CGE and Power Sector Modelsfor Korea. 2026; 35(1), 1-14.

Haein Kim, Yong-Gun Kim and YooJin Kim. "Carbon Neutrality Analysis by Linking Top-down CGE and Power Sector Modelsfor Korea" Journal of Environmental Impact Assessment 35, no.1 (2026) : 1-14.