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Special Issue "State-of-the-Art Energy Related Technologies in Japan 2021"

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "State-of-the-Art Energy Related Technologies".

Deadline for manuscript submissions: 31 December 2021.

Special Issue Editors

Prof. Dr. Tomonobu Senjyu
E-Mail Website
Guest Editor
Department of Electrical and Electronics Engineering, University of the Ryukyus, Nishihara, Okinawa 903-0213, Japan
Interests: high-efficiency energy conversion system; renewable energy in small islands; optimization of power system operation and control
Special Issues and Collections in MDPI journals
Prof. Dr. Satoru Okamoto
E-Mail Website
Guest Editor
Interdisciplinary Graduate School of Science and Engineering, Shimane University, Matsue, Japan
Interests: advanced thermal and fluids science and technology: flow-induced vibrations; small-scale energy systems with gas turbines and heat pumps; experimental fluid dynamics; heat transfer; biomedical engineering; artificial intelligence
Special Issues and Collections in MDPI journals
Prof. Dr. Muhammad Aziz
E-Mail Website
Guest Editor
Department of Mechanical and Biofunctional Systems, Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8505, Japan
Interests: hydrogen production; hydrogen storage; hydrogen utilization; ammonia; liquid organic hydrogen carrier; chemical looping; hydrogenation; dehydrogenation; hydrogen combustion; energy efficiency; system design
Special Issues and Collections in MDPI journals
Dr. Mahdi Khosravy
E-Mail Website
Guest Editor
Media Integrated Laboratory, Osaka University, Osaka, Japan
Interests: power quality analysis; harmonics estimation; renewable energy control and management; optimization of power system operation and control; meta-heuristic optimization theory and applications
Special Issues and Collections in MDPI journals
Dr. Ryuto Shigenobu
E-Mail Website
Guest Editor
Department of Electrical, Electronic and Computer Engineering, University of Fukui, Fukui, Japan
Interests: Electrical and Electronics
Prof. Dr. Yasuki Kansha
E-Mail Website
Guest Editor
Institute of Industrial Science, University of Tokyo, Tokyo 113-8654, Japan
Interests: process design and control, optimization, heat integration, and energy/exergy analysis in chemical and energy processes
Prof. Dr. Takuya Oda
E-Mail Website
Guest Editor
Institute of Innovative Research, Tokyo Institute of Technology, Tokyo 152-8550, Japan
Interests: energy systems; renewable energy; electric vehicle; demand response; transactive energy; smart grid; distributed energy resources

Special Issue Information

Dear Colleagues,

In Japan, the sustainable development of economy, energy, and the environment has become an important issue of global concern since 2000. A consensus has already been established regarding the development of a low carbon economy. Japan is designing and implementing low-emission development strategies in 2021. Recent advances in technology and policy in Japan 2021 will allow renewable energy, clean energy, and energy efficiency to play major roles in displacing fossil fuels and meeting global energy demand while reducing carbon dioxide emissions. Renewable and clean energy technologies are being rapidly commercialized and, in conjunction with efficiency gains, can achieve far greater emissions reductions than either could independently.

This Special Issue will provide a comprehensive overview on the state-of-the-art energy-related technologies in Japan. Research articles are invited, which will provide a consolidated, up-to-date perspective in energy-related areas. The Special Issue will publish full research papers and reviews. Potential topics include but are not limited to the topics outlined in the keywords.

Prof. Dr. Tomonobu Senjyu
Prof. Emer Satoru Okamoto
Prof. Dr. Muhammad Aziz
Dr. Mahdi Khosravy
Dr. Ryuto Shigenobu
Prof. Dr. Yasuki Kansha
Prof. Dr. Takuya Oda
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Energies is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2000 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.


  • Renewable energy 
  • Energy efficiency 
  • Sustainable biofuels 
  • Nuclear power
  • Smart grid 
  • Methane cycle 
  • Carbon capture and storage 
  • Combined heat and power 
  • Electric vehicles 
  • Hydrogen 
  • Smart city 
  • Zero energy house/building 
  • Power electronics 
  • Power system 
  • Waste to energy 
  • Ammonia 
  • Energy storage 
  • Energy conversion 
  • Power generation

Published Papers (1 paper)

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A Comparative Design of a Campus Microgrid Considering a Multi-Scenario and Multi-Objective Approach
Energies 2021, 14(11), 2853; https://0-doi-org.brum.beds.ac.uk/10.3390/en14112853 - 21 May 2021
Cited by 1 | Viewed by 614
This article proposes a plan to replace real-time power with constant power from the grid to reduce costs and reduce the impact of the micro-grid on the main grid at the same time. Most of the peak electricity consumption periods of universities or [...] Read more.
This article proposes a plan to replace real-time power with constant power from the grid to reduce costs and reduce the impact of the micro-grid on the main grid at the same time. Most of the peak electricity consumption periods of universities or some enterprise institutions are during the daytime. If solar energy can be used reasonably at this time, it can provide a good guarantee of peak power. In this study, a grid-linked solar-plus-storage micro-grid was used to supply power to a university located in Okinawa, Japan. The non-dominated sorting genetic algorithm II (NSGA-II) was used to optimize the model size, and the loss of power supply probability (LPSP), life cycle cost (LCC), and waste of energy (WE) were taken as the optimization indicators. For this study, three scenarios were considered where the first scheme (Case 1) was a comparison scheme, which used a PV battery and real-time power from the infinity bus. Both the second and third cases used constant power. While Case 2 used constant power throughout the year, Case 3 used daily constant power. The optimal solutions for the power supply units were grouped into three cases where Case 1 was found to be the most expensive one. It was found that the costs of Cases 2 and 3 were 62.8% and 63.3% less than Case 1. As a result, the waste of energy was found to be more significant than Case 1: 70 times and 60 times, respectively. On the contrary, Case 1 had 15.2% and 16.7% less carbon emissions than Case 2 and Case 3, respectively. This article put forward the idea of constant power supply growth at the financial markets, which breaks the traditional way in which the power supply side follows the user’s consumption. While reducing costs, it reduces the impact on large-scale power grids and can also ensure the reliability of campus microgrids. Full article
(This article belongs to the Special Issue State-of-the-Art Energy Related Technologies in Japan 2021)
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Title: Optimal System Design for Sizing and Placement of Renewable Distributed Generators Considering Robust Stability
Authors: - Akanit Kwangkaew, - Saher Javaid, - Chalie Charoenlarpnopparut, - Mineo Kaneko
Affiliation: JAIST-Japan Advanced Institute of Technology, Japan SIIT, Thammasat University, Thailand
Abstract: //

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