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Renewable Energy Systems 2024

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Energy Science and Technology".

Deadline for manuscript submissions: 30 June 2025 | Viewed by 3410

Special Issue Editors


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Guest Editor
Department of Industrial Engineering, University of Naples Federico II, 80125 Naples, Italy
Interests: solar systems; energy saving in buildings; solar desalination; dynamic simulations of energy systems; renewable polygeneration systems
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Department of Industrial Engineering, University of Naples Federico II, 80125 Naples, Italy
Interests: thermal solar; photovoltaic and photovoltaic-thermal; dynamic simulations of energy systems; renewable polygeneration systems; district heating and cooling; sustainable mobility; optimization techniques; geothermal energy; biofuels; synthetic fuels; fuel cells; hydrogen storage systems; Power-to-X
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The adoption of energy efficiency strategies and renewable technologies becomes more and more pivotal in reaching a decarbonized future and a reduction in greenhouse gas emissions by 80–95% by 2050. In the transition phase, fully renewable energy systems have to be developed, coupling several energy technologies for energy storage, production, and reutilization, involving energy producers, users, and prosumers. In this framework, in order to perform all of the actions required to limit the increase in the Earth’s average temperature, several countries have agreed on the necessity to develop a novel sustainable energy paradigm. To address this novel idea of energy production and use, researchers have devoted their attention to different strategies: the promotion of the use of renewable energy technologies, the more conscious usage of energy, novel efficient energy conversion systems, energy efficiency actions, etc.

In this context, this Special Issue aims at collecting the most important and current works dealing with the integration of renewable technologies into new or existing systems for the polygeneration of energy and no-energy outputs: desalinated water, novel fuels for transport, power, heating, cooling, etc.

You are encouraged to submit manuscripts analyzing the possible utilization of renewables in order to increase the use and management of renewables into energy systems.

The topics of primary interest include, but are not limited to, the following:

  • Energy planning;
  • Polygeneration systems based on renewables;
  • Advanced thermal and electrical storages;
  • Green hydrogen;
  • District heating and cooling systems;
  • Biocircular economy approach;
  • Waste-to-energy paradigm;
  • Power-to-X systems;
  • Thermally and electrically driven water desalination;
  • Integration of renewables with transportation, electrical vehicles;
  • Integration of renewable systems in buildings;
  • System dynamic simulation;
  • Buildings dynamic simulation;
  • Control strategies and system management.

Dr. Maria Vicidomini
Dr. Luca Cimmino
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 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. Applied Sciences 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 2400 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 energy systems
  • energy saving
  • electrical and thermal storage
  • simulation
  • energy–water nexus

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Published Papers (2 papers)

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Research

17 pages, 2977 KiB  
Article
Analysis of the Impact of Funding Policies for the Energy Refurbishment of Buildings Using Dynamic Simulations
by Francesco Calise, Francesco Liberato Cappiello, Luca Cimmino and Maria Vicidomini
Appl. Sci. 2024, 14(19), 8900; https://doi.org/10.3390/app14198900 - 2 Oct 2024
Viewed by 1064
Abstract
Dynamic simulations can accurately estimate the thermal demands for space heating and cooling in buildings, as well as the energy and economic performance of specific energy refurbishment actions. This study aims to evaluate the energy and economic savings resulting from the adoption of [...] Read more.
Dynamic simulations can accurately estimate the thermal demands for space heating and cooling in buildings, as well as the energy and economic performance of specific energy refurbishment actions. This study aims to evaluate the energy and economic savings resulting from the adoption of particular energy measures applied to a cluster of residential condominium buildings, also considering some possible Italian funding policies. To this scope, dynamic simulation models of several buildings with different features in terms of geometry, shape, and thermo-physical properties are considered. The selected buildings are representative of the most common buildings in the city of Naples, Southern Italy. Two scenarios regarding the possible penetration of the refurbishment actions are considered: the “25% scenario”, where 25% of buildings in the Naples municipality adopt the selected measures, and the “100% scenario”, where all buildings adopt such energy refurbishment actions. The results of the simulations, reported over different time periods, compare the economic, energy, and environmental benefits of the specific energy measures. This study evaluates the replacement of conventional natural gas-fired boilers with natural gas-fired condensing boilers, as well as the use of thermal insulation on the external walls of the buildings. The primary energy demand for space heating decreased by 28% when the proposed energy measures were implemented in all buildings of the Naples municipality. Full article
(This article belongs to the Special Issue Renewable Energy Systems 2024)
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14 pages, 4751 KiB  
Article
A Simulation Modeling Approach for the Techno-Economic Analysis of the Integration of Electric Vehicle Charging Stations and Hybrid Renewable Energy Systems in Tourism Districts
by Suzan Abdelhady and Ahmed Shaban
Appl. Sci. 2024, 14(11), 4525; https://doi.org/10.3390/app14114525 - 25 May 2024
Cited by 1 | Viewed by 1509
Abstract
Electric vehicles (EVs) play a crucial role in tertiary sectors due to their eco-friendliness and sustainability when powered by clean energy. Integrating EV charging stations with renewable energy systems is essential to alleviate energy issues and grid pressure. Exploring this integration’s feasibility is [...] Read more.
Electric vehicles (EVs) play a crucial role in tertiary sectors due to their eco-friendliness and sustainability when powered by clean energy. Integrating EV charging stations with renewable energy systems is essential to alleviate energy issues and grid pressure. Exploring this integration’s feasibility is imperative for sustainable transportation. This study aims to provide a clear approach and methodology for examining the potential of integrating renewable energy technologies with EV charging stations at the district level. Additionally, the study investigates the energy, economic, and environmental benefits of an integrated system comprising photovoltaic/wind turbines (PV/WTs) connected to the electricity grid to meet the energy demand of a tertiary district consisting of five hotels in Egypt. Through the development of a simulation model, the paper verifies whether the proposed energy system can meet the district’s energy demand. In addition, the simulation model has been employed to conduct a sensitivity analysis for investigating the impact of different charging rates on economic feasibility. The results indicate that a hybrid renewable energy system (HRES) integrated with an EV charging station can effectively relieve pressure on the electricity grid and provide electricity at competitive prices compared to the national grid. Moreover, the proposed energy system significantly reduces environmental emissions by up to 510 tons of CO2 per year and has the potential to decrease fossil fuel usage by 248 tons per year. Sensitivity analysis highlights the significant impact of charging prices on project profitability. Full article
(This article belongs to the Special Issue Renewable Energy Systems 2024)
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