Energy transition for Japan: Pathways towards a 100% renewable energy system in 2050

Abstract This study presents a novel approach to analysing the Japanese energy system transition from a mostly fossil fuels‐based system as of today, to a sustainable renewable energy‐based system by 2050. This research uses a novel technology‐rich, multi‐regional, multi‐sectoral, and cost‐optimal e...

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Main Authors: Dmitrii Bogdanov, Ayobami Solomon Oyewo, Theophilus Nii Odai Mensah, Yuko Nishida, Tetsuo Saito, Takanobu Aikawa, Seiichiro Kimura, Murielle Gagnebin, Dimitri Pescia, Tatsuhiro Shimoyama, Kristina Sadovskaia, Christian Breyer
Format: Article
Language:English
Published: Wiley 2023-10-01
Series:IET Renewable Power Generation
Subjects:
Online Access:https://doi.org/10.1049/rpg2.12844
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author Dmitrii Bogdanov
Ayobami Solomon Oyewo
Theophilus Nii Odai Mensah
Yuko Nishida
Tetsuo Saito
Takanobu Aikawa
Seiichiro Kimura
Murielle Gagnebin
Dimitri Pescia
Tatsuhiro Shimoyama
Kristina Sadovskaia
Christian Breyer
author_facet Dmitrii Bogdanov
Ayobami Solomon Oyewo
Theophilus Nii Odai Mensah
Yuko Nishida
Tetsuo Saito
Takanobu Aikawa
Seiichiro Kimura
Murielle Gagnebin
Dimitri Pescia
Tatsuhiro Shimoyama
Kristina Sadovskaia
Christian Breyer
author_sort Dmitrii Bogdanov
collection DOAJ
description Abstract This study presents a novel approach to analysing the Japanese energy system transition from a mostly fossil fuels‐based system as of today, to a sustainable renewable energy‐based system by 2050. This research uses a novel technology‐rich, multi‐regional, multi‐sectoral, and cost‐optimal energy system model for the analysis, describing pathways to achieving the Japanese climate neutrality vision by 2050 based on renewables in the most cost‐effective manner. The energy transition of Japan is analysed for both rapid and delayed defossilisation pathways, impact of demand sensitivity, and benefit of sustainable energy imports in the form of electricity from Russia and China or e‐fuels from countries like Australia. The results show that a self‐sufficient energy system is achievable; however, some sustainable energy imports in the form of electricity and e‐fuels can be beneficial in further reducing overall investments, relieve pressure to develop local renewable resources and improving energy system flexibility. In addition, this research highlights the critical advantage of a fully renewable pathway, sector coupling, and high electrification rates as the most cost‐efficient way of achieving the Japanese climate neutrality vision by 2050. The renewable pathway also delivers an energy system with high levels of efficiency gains through direct and indirect renewable electricity usage.
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spelling doaj.art-b8efea87dfd64c4da4c1d5391a04626d2023-10-04T14:19:32ZengWileyIET Renewable Power Generation1752-14161752-14242023-10-0117133298332410.1049/rpg2.12844Energy transition for Japan: Pathways towards a 100% renewable energy system in 2050Dmitrii Bogdanov0Ayobami Solomon Oyewo1Theophilus Nii Odai Mensah2Yuko Nishida3Tetsuo Saito4Takanobu Aikawa5Seiichiro Kimura6Murielle Gagnebin7Dimitri Pescia8Tatsuhiro Shimoyama9Kristina Sadovskaia10Christian Breyer11School of Energy Systems LUT University Lappeenranta FinlandSchool of Energy Systems LUT University Lappeenranta FinlandSchool of Energy Systems LUT University Lappeenranta FinlandRenewable Energy Institute Minato‐ku Tokyo JapanRenewable Energy Institute Minato‐ku Tokyo JapanRenewable Energy Institute Minato‐ku Tokyo JapanRenewable Energy Institute Minato‐ku Tokyo JapanAgora Energiewende Berlin GermanyAgora Energiewende Berlin GermanySchool of Energy Systems LUT University Lappeenranta FinlandSchool of Energy Systems LUT University Lappeenranta FinlandSchool of Energy Systems LUT University Lappeenranta FinlandAbstract This study presents a novel approach to analysing the Japanese energy system transition from a mostly fossil fuels‐based system as of today, to a sustainable renewable energy‐based system by 2050. This research uses a novel technology‐rich, multi‐regional, multi‐sectoral, and cost‐optimal energy system model for the analysis, describing pathways to achieving the Japanese climate neutrality vision by 2050 based on renewables in the most cost‐effective manner. The energy transition of Japan is analysed for both rapid and delayed defossilisation pathways, impact of demand sensitivity, and benefit of sustainable energy imports in the form of electricity from Russia and China or e‐fuels from countries like Australia. The results show that a self‐sufficient energy system is achievable; however, some sustainable energy imports in the form of electricity and e‐fuels can be beneficial in further reducing overall investments, relieve pressure to develop local renewable resources and improving energy system flexibility. In addition, this research highlights the critical advantage of a fully renewable pathway, sector coupling, and high electrification rates as the most cost‐efficient way of achieving the Japanese climate neutrality vision by 2050. The renewable pathway also delivers an energy system with high levels of efficiency gains through direct and indirect renewable electricity usage.https://doi.org/10.1049/rpg2.12844optimisationpower system planningrenewable energy sources
spellingShingle Dmitrii Bogdanov
Ayobami Solomon Oyewo
Theophilus Nii Odai Mensah
Yuko Nishida
Tetsuo Saito
Takanobu Aikawa
Seiichiro Kimura
Murielle Gagnebin
Dimitri Pescia
Tatsuhiro Shimoyama
Kristina Sadovskaia
Christian Breyer
Energy transition for Japan: Pathways towards a 100% renewable energy system in 2050
IET Renewable Power Generation
optimisation
power system planning
renewable energy sources
title Energy transition for Japan: Pathways towards a 100% renewable energy system in 2050
title_full Energy transition for Japan: Pathways towards a 100% renewable energy system in 2050
title_fullStr Energy transition for Japan: Pathways towards a 100% renewable energy system in 2050
title_full_unstemmed Energy transition for Japan: Pathways towards a 100% renewable energy system in 2050
title_short Energy transition for Japan: Pathways towards a 100% renewable energy system in 2050
title_sort energy transition for japan pathways towards a 100 renewable energy system in 2050
topic optimisation
power system planning
renewable energy sources
url https://doi.org/10.1049/rpg2.12844
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