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http://dx.doi.org/10.7849/ksnre.2022.0008

Study on Reduction of Curtailment of Renewable Generation based on Green Hydrogen Sector Coupling  

Jeon, Wooyoung (Department of Economics, Chonnam National University)
Kim, Jin-yi (Korea Power Exchange)
Lee, Seongwoo (Korea Power Exchange)
Publication Information
New & Renewable Energy / v.18, no.2, 2022 , pp. 50-59 More about this Journal
Abstract
The Korean government announced the "1st Basic Plan for the Transition to Hydrogen Economy" in 2021 and declared the establishment of a hydrogen industry ecosystem by 2040. To build a low-carbon power system, resources that can efficiently accommodate renewable energy are required, and green hydrogen is considered a potential solution. This study analyzed the economic feasibility of green hydrogen-based sector coupling to reduce curtailment of renewable generation in the Jeju power system by 2025 under the scenario of with or without HVDC#3. The result showed that HVDC#3 significantly reduced the frequency of curtailment from 16.1% to 3.0%. In addition, green hydrogen-based sector coupling was an economically feasible option as result showed an IRR of 4.86% when HVDC#3 was connected and 11.45% when it was not under the condition of achieving 50% curtailment reduction. This study shows that the higher the level of renewable energy deployment, the more delayed the HVDC connection between Jeju and the main land, and the lower the SMP, the more economically feasible the green hydrogen-based sector coupling is. Furthermore, this study suggests that the policy goal of completely reducing curtailment is not economically efficient.
Keywords
Renewable generation; Curtailment; Green hydrogen; Hydrogen charging station; Sector coupling;
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Times Cited By KSCI : 1  (Citation Analysis)
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