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Latest Advances and Prospects of Renewable Energies and the Environment
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Latest Advances and Prospects of Renewable Energies and the Environment

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "B: Energy and Environment".

Deadline for manuscript submissions: closed (10 July 2023) | Viewed by 5600

Special Issue Editor

Dr. Hossein Yousefi

E-Mail Website
Guest Editor
Department of Renewable Energies and Environment, University of Tehran, Tehran, Iran
Interests: energy and environment; renewable energies; water and energy; carbon footprint; environmental impact assessment

Special Issue Information

Dear Colleagues,

Climate change has become a topic of significant concern in recent decades. Around 80% of global energy and 66% of electricity demand is supplied by fossil fuels, which are responsible for approximately 60% of greenhouse gas (GHG) emissions. Renewable technologies are considered clean sources of energy with much fewer negative environmental impacts compared to fossil fuels. The transition from fossil fuels to renewable energies has already begun in many nations, even in developing countries.

Renewable energy technologies provide an excellent opportunity for the mitigation of greenhouse gas emissions for a slowdown of global warming and minimization of the carbon footprint on the environment. However, further extensive research in the field of renewable power generation, grid integration, and energy storage is required to develop next-generation renewable energy technologies suitable for widespread application and to ensure environmental sustainability.

The current Special Issue aims to present and distribute the “Latest Advances and Prospects of Renewable Energy Technologies and the Environment”, with a special emphasis on efficient and reliable conversion, modeling, application, technologies, transmission, storage, policy-making, future research, reviews, and use of renewable energy toward a sustainable environment. Prospective authors are invited to submit original research papers in the aforementioned fields. 

Dr. Hossein Yousefi
Guest Editor

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 submissions that pass pre-check are 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 2600 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.

Keywords

  • renewable energies
  • sustainable development
  • energy and environment
  • renewable energy management
  • renewable energy technologies
  • renewable energy modeling

Published Papers (3 papers)

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Research

22 pages, 3336 KiB  
Article
Techno-Economic and Environmental Assessment of a Hybrid Renewable Energy System for a Hospital Using Multi-Criteria Decision-Making Method
by Setare Peirow, Fatemeh Razi Astaraei and Amirali Saifoddin Asl
Energies 2023, 16(4), 1916; https://doi.org/10.3390/en16041916 - 15 Feb 2023
Cited by 4 | Viewed by 1593
Abstract
Implementing hybrid renewable energy systems in hospitals, as an applicable solution to improve the sustainability of power systems, was studied. Several hybrid renewable configurations with detailed technical and economic information were proposed by HOMER Pro software, and the most cost-effective system was introduced [...] Read more.
Implementing hybrid renewable energy systems in hospitals, as an applicable solution to improve the sustainability of power systems, was studied. Several hybrid renewable configurations with detailed technical and economic information were proposed by HOMER Pro software, and the most cost-effective system was introduced as a combination of PV (350 kW), WT (1 unit, 25 kW), and DG (700 kW), with a total net present cost of USD 3.25 million and cost of energy of USD 0.0543/kWh. To consider all aspects of sustainability for choosing the optimal system, a Multi-Criteria Decision-Making approach, considering technical, environmental, economic, and energy security criteria, was applied using the TOPSIS method. According to ISO 21929, the weighting of the criteria was performed depending on how indicators affected the key areas of protection. By using the TOPSIS technique, a system with a larger renewable proportion, more variety, and less reliance on diesel was chosen. Thus, the optimal choice for this process was the configuration of PV (350 kW)/WT (1 unit, 25 kW)/DG (600 kW)/Bat (100 kWh). Comparing the results of economic optimization with MCDM optimization shows that the COE increased by approximately USD 0.025/kWh in the MCDM approach, while a decline of more than 27% in environmental impacts, as well as reduced reliance on conventional resources, were achieved. Full article
(This article belongs to the Special Issue Latest Advances and Prospects of Renewable Energies and the Environment)
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23 pages, 9049 KiB  
Article
Techno-Economic Analysis of Electricity Generation by Photovoltaic Power Plants Equipped with Trackers in Iran
by Mehdi Tafazoli, Mohsen Salimi, Saeed Zeinalidanaloo, Javad Mashayekh and Majid Amidpour
Energies 2023, 16(1), 235; https://doi.org/10.3390/en16010235 - 25 Dec 2022
Cited by 5 | Viewed by 1987
Abstract
The use of solar trackers can help increase the production and time period of electricity generation in photovoltaic power plants. Different types of trackers in terms of rotation mechanisms and sun tracking systems have been used in these types of power plants in [...] Read more.
The use of solar trackers can help increase the production and time period of electricity generation in photovoltaic power plants. Different types of trackers in terms of rotation mechanisms and sun tracking systems have been used in these types of power plants in recent years. In this article, a comparison has made between the electricity produced of fixed and tracking structures in a number of power plants which are located in different cities of Iran but in similar geographical locations. Following this, software modeling is used to evaluate various sun tracking scenarios in the design of sample power plants. Finally, a techno-economic analysis has been made to evaluate the decision-making regarding the construction of such power plants in Iran using this technology. Using east-west detectors has had a positive effect on increasing the production of power plants, especially in summer. Due to the higher initial costs of using this technology in the power plants, as well as the higher maintenance costs, the economization of the power plants’ business plan is extremely dependent on other economic conditions governing the project. Using trackers alone cannot lead to a better situation in a project’s lifetime. From the national point of view, if domestic companies can produce east-west single-axis tracking technology at an acceptable cost and provide related services in the long term, it would be beneficial for the power grid. One of the attractive proposals for the power plants under construction will be the use of this technology, because of additional electricity production in peak hours in summer. Annual experimental data from different tracking/fixed PV power plant have been used for the first time in this techno-economic investigations, they are validated with the simulation process, and the results have been predicted for a wide range of tracking scenarios. Techno-economic analyses of this type of power plant are an essential need for policy makers and investors in Iran’s energy market. Full article
(This article belongs to the Special Issue Latest Advances and Prospects of Renewable Energies and the Environment)
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25 pages, 6473 KiB  
Article
Multi-Criteria Future Energy System Planning and Analysis for Hot Arid Areas of Iran
by Hossein Yousefi, Mohammad Hasan Ghodusinejad and Armin Ghodrati
Energies 2022, 15(24), 9405; https://doi.org/10.3390/en15249405 - 12 Dec 2022
Cited by 4 | Viewed by 1388
Abstract
An increase in energy demand in the coming years is inevitable, and therefore it is necessary to provide optimal solutions for this future need. This paper examines the future energy demands of the southern regions of Iran (with a hot and dry climate [...] Read more.
An increase in energy demand in the coming years is inevitable, and therefore it is necessary to provide optimal solutions for this future need. This paper examines the future energy demands of the southern regions of Iran (with a hot and dry climate and high energy needs). In this regard, the overall structure of the research has been divided into three parts. In the first part, using historical energy consumption data, the energy demand in 2030 is predicted. This is carried out utilizing a time series analysis method, namely Holt–Winters. Then, relying on the plans of the Iran Ministry of Energy, various energy plans have been designed and energy modeling has been carried out for both base and forecast years. Finally, regarding a multi-criteria decision-making approach, energy plans are ranked and the best scenarios are selected and analyzed. The results of modeling and multi-criteria analysis showed that comprehensive and simultaneous development in the construction of thermal and renewable power plants is the best option to meet future energy needs. Full article
(This article belongs to the Special Issue Latest Advances and Prospects of Renewable Energies and the Environment)
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