Spatiotemporal Analysis of Hydrogen Requirement to Minimize Seasonal Variability in Future Solar and Wind Energy in South Korea

Myeongchan Oh, Boyoung Kim, Changyeol Yun, Chang Ki Kim, Jin-Young Kim, Su-Jin Hwang, Yong-Heack Kang and Hyun-Goo Kim ()
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Myeongchan Oh: New and Renewable Energy Resource Map Laboratory, Korea Institute of Energy Research, Daejeon 34129, Republic of Korea
Boyoung Kim: New and Renewable Energy Resource Map Laboratory, Korea Institute of Energy Research, Daejeon 34129, Republic of Korea
Changyeol Yun: New and Renewable Energy Resource Map Laboratory, Korea Institute of Energy Research, Daejeon 34129, Republic of Korea
Chang Ki Kim: New and Renewable Energy Resource Map Laboratory, Korea Institute of Energy Research, Daejeon 34129, Republic of Korea
Jin-Young Kim: New and Renewable Energy Resource Map Laboratory, Korea Institute of Energy Research, Daejeon 34129, Republic of Korea
Su-Jin Hwang: New and Renewable Energy Resource Map Laboratory, Korea Institute of Energy Research, Daejeon 34129, Republic of Korea
Yong-Heack Kang: New and Renewable Energy Resource Map Laboratory, Korea Institute of Energy Research, Daejeon 34129, Republic of Korea
Hyun-Goo Kim: New and Renewable Energy Resource Map Laboratory, Korea Institute of Energy Research, Daejeon 34129, Republic of Korea

Energies, 2022, vol. 15, issue 23, 1-13

Abstract: Renewable energy supply is essential for carbon neutrality; however, technologies aiming to optimally utilize renewable energy sources remain insufficient. Seasonal variability in renewable energy is a key issue, which many studies have attempted to overcome through operating systems and energy storage. Currently, hydrogen is the only technology that can solve this seasonal storage problem. In this study, the amount of hydrogen required to circumvent the seasonal variability in renewable energy supply in Korea was quantified. Spatiotemporal analysis was conducted using renewable energy resource maps and power loads. It was predicted that 50% of the total power demand in the future will be met using solar and wind power, and a scenario was established based on the solar-to-wind ratio. It was found that the required hydrogen production differed by approximately four-times, depending on the scenarios, highlighting the importance of supplying renewable energy at an appropriate ratio. Spatially, wind power was observed to be unsuitable for the physical transport of hydrogen because it has a high potential at mountain peaks and islands. The results of this study are expected to aid future hydrogen research and solve renewable energy variability problems.

Keywords: hydrogen; seasonal storage; solar map; wind map; resource map; variability (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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