Researchers

Research papers

<Reviewed Journal Papers>

• H. Obane, S. Endo, S. Morimoto, T. Otsuki, Y. Matsuo, “Decomposition of system-level costs in marginal abatement cost formation under carbon neutrality in Japan,” Sustainable Future, accepted for publication.
• H.Obane, K.Kazama, H.Hashimoto,Y.Nagai, K.Asano, Assessing areas suitable for offshore wind energy considering potential risk to breeding seabirds in northern Japan, Marine Policy, Vol 160, 2024.
• T.Otsuki, Y.Shibata, Y.Matsuo, H.Obane, S.Morimoto, Role of carbon dioxide capture and storage in energy systems for net-zero emissions in Japan, International Journal of Greenhouse Gas Control, Vol 132, 2024.
• T.Otsuki, H.Obane, Y.Kawakami, K,Shimogori, Y.Mizuno, S.Morimoto, Y.Matsuo, Energy mix for net zero CO2 emissions by 2050 in Japan: An analysis considering siting constraints on variable renewable energy, Electrical Engineering in Japan, Vol.215 (4), 2022.
• H.Obane, Y.Nagai, K.Asano, Assessing the potential areas for developing offshore wind energy in Japanese territorial waters considering national zoning and possible social conflicts, Marine Policy, Vol 129, 2021
• H.Obane, Y.Nagai, K.Asano, Assessing land use and potential conflict in solar and onshore wind energy in Japan, Renewable Energy, Vol160, pp842-851,2020
• H.Obane, K.Okajima, Extracting issues significant to valuing electricity from small photovoltaic systems using quantitative content analysis, Electricity Journal, Vol32(10), 2019
• H.Obane, Forecasting photovoitaic and wind energy capical costs in Japan : A Bayesian approach.
  Energy Proceedia, Vol(158), pp3576-3582, 2019
• H.Obane, K.Okajima, T.Oozeki, T.Ishii, PV system with reconnection to improve output under nonuniform illumination, IEEE Journal of Photovoltaics, vol2(3), pp341-347, 2012

• H.Obane, “Exploring the technical potential of solar PV and wind energy system in ASEAN,” The Institute of Energy Economics, Japan Report, 2025.
• S. Endo, S. Morimoto, H. Obane, K. Shimogori, I. Kutani, T. Sakamoto, and K. Noma, “Decarbonisation of ASEAN energy systems: Optimum technology selection model analysis up to 2060 updated 2024,” ERIA Research Project Report, no. 5, 2025.
• S. Endo, S. Morimoto, H. Obane, K. Shimogori, I. Kutani, T. Sakamoto, and S. Kimura, “Decarbonisation of ASEAN energy systems: Optimum technology selection model analysis up to 2060 updated 2023,” ERIA Research Project Report, no. 30, 2023.
• H.Obane, N.Gericke, L.Nawothnig, F.Bunge, P.Hennicke, Key strategies towards Decarbonization of Energy Use and Supply in Japan and Germany: Insights from a Comparison Study on Long-term Scenario Analyses up to 2050, Study for the GJETC

Presentation

• H. Obane, “Exploring the deployment potential of solar PV and wind power in ASEAN: A spatial analysis of rooftops and unused lands,” in Proc. 5th ASEAN Int. Conf. on Energy and Environment, Kuala Lumpur, Malaysia, Oct. 16, 2025.
• H. Obane, T.Otsuki, Y.Matsuo, Consistency between carbon neutrality and spatial issue of renewable energy, 43rd IAEE, INTERNATIONAL CONFERENCE, Tokyo, Jun 31 – Aug 4, 2022.
• H.Obane, K.Okajima, T.Oozeki, T.Yamada, T.Ishii, Minimizing Mismatch Loss in BIPV by Reconnection, 37th IEEE Photovoltaic Specialist Conference, July 19 -24, 2011.

Patent

• T. Ishii, T.Oozeki, T.Yamada, H.Obane, K.Okajima, Computation device which optimizes solar power generation, method which optimizes solar power generation, solar power generation system, and solar power generation simulation system, EP20120827152, 2015
• H.Obane, Solar cell module and solar cell module manufacturing method, US 20180062574 A1, 2018

Awards

• Best paper award, The Japan Institute of Energy, 2022
• Chairperson Award, University of Tsukuba, 2012
• Incentive award, Japan Solar Energy Society, 2011

Contact

hideaki.obane@edmc.ieej.or.jp