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Article

Optimal Design on Fossil-to-Renewable Energy Transition of Regional Integrated Energy Systems under CO2 Emission Abatement Control: A Case Study in Dalian, China

1
Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian University of Technology, Dalian 116024, China
2
School of Economics and Management, China University of Geosciences, Wuhan 430074, China
*
Author to whom correspondence should be addressed.
Academic Editor: Magdalena Radulescu
Energies 2021, 14(10), 2879; https://doi.org/10.3390/en14102879
Received: 14 April 2021 / Revised: 3 May 2021 / Accepted: 7 May 2021 / Published: 17 May 2021
(This article belongs to the Special Issue Energy Policy for a Sustainable Economic Growth)
Optimal design of regional integrated energy systems (RIES) offers great potential for better managing energy sources, lower costs and reducing environmental impact. To capture the transition process from fossil fuel to renewable energy, a flexible RIES, including the traditional energy system (TES) based on the coal and biomass based distributed energy system (BDES), was designed to meet a regional multiple energy demand. In this paper, we analyze multiple scenarios based on a new rural community in Dalian (China) to capture the relationship among the energy supply cost, increased share of biomass, system configuration transformation, and renewable subsidy according to regional CO2 emission abatement control targets. A mixed integer linear programming (MILP) model was developed to find the optimal solutions. The results indicated that a 40.58% increase in the share of biomass in the RIES was the most cost-effective way as compared to the separate TES and BDES. Based on the RIES with minimal cost, by setting a CO2 emission reduction control within 40%, the RIES could ensure a competitive total annual cost as compared to the TES. In addition, when the reduction control exceeds 40%, a subsidy of 53.83 to 261.26 RMB/t of biomass would be needed to cover the extra cost to further increase the share of biomass resource and decrease the CO2 emission. View Full-Text
Keywords: regional integrated energy system; energy system transition; CO2 emission abatement control; biomass distributed energy system; mixed integer linear programming; renewable energy subsidy regional integrated energy system; energy system transition; CO2 emission abatement control; biomass distributed energy system; mixed integer linear programming; renewable energy subsidy
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MDPI and ACS Style

Liu, X.; Li, N.; Liu, F.; Mu, H.; Li, L.; Liu, X. Optimal Design on Fossil-to-Renewable Energy Transition of Regional Integrated Energy Systems under CO2 Emission Abatement Control: A Case Study in Dalian, China. Energies 2021, 14, 2879. https://doi.org/10.3390/en14102879

AMA Style

Liu X, Li N, Liu F, Mu H, Li L, Liu X. Optimal Design on Fossil-to-Renewable Energy Transition of Regional Integrated Energy Systems under CO2 Emission Abatement Control: A Case Study in Dalian, China. Energies. 2021; 14(10):2879. https://doi.org/10.3390/en14102879

Chicago/Turabian Style

Liu, Xinxin, Nan Li, Feng Liu, Hailin Mu, Longxi Li, and Xiaoyu Liu. 2021. "Optimal Design on Fossil-to-Renewable Energy Transition of Regional Integrated Energy Systems under CO2 Emission Abatement Control: A Case Study in Dalian, China" Energies 14, no. 10: 2879. https://doi.org/10.3390/en14102879

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