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Renewable Energy Microgrids for the Future of Electrical Grid—2nd Edition

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "A1: Smart Grids and Microgrids".

Deadline for manuscript submissions: 25 August 2025 | Viewed by 1491

Special Issue Editors


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Guest Editor
Science for the Environment, University of Corsica, UMR CNRS 6134, 20000 Ajaccio, France
Interests: microgrids; photovoltaics; energy management
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Guest Editor
Laboratory of Environmental Sciences SPE-UMR 6134, University of Corsica Pascal Paoli, 22 Avenue Jean Nicoli, 20250 Corte, France
Interests: hydrogen; microgrids
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Nowadays, microgrids appear as a valuable option to provide a reliable electricity supply. Due to their ability to operate in grid-connected mode or islanded mode, they can improve the flexibility of the power grid while increasing the security of supply for consumers.

One challenge with the major development of microgrids is to support the new paradigm of electrical grids: moving from traditional grids with one-way control to new architectures with decentralized production and two-way interactions. Moreover, most microgrids focus on renewable energy systems, such as photovoltaics and wind power to produce electricity. High renewable energy penetration introduces a greater complexity due to the intermittent and unpredictable nature of these sources.

Common solutions to this issue lie in the use of energy storage systems with the development of robust energy management strategies, which may include production and load forecasting tools. According to the main purpose of the microgrid, various objectives can be met, such as optimizing the economic benefit, ensuring the security of supply, aiming for a certain level of self-consumption or reducing the carbon emission of the grid. Some of these points can be considered as constraints while others can be optimized through different methods (single or multi-objective problems).

This Special Issue aims to present and disseminate the most recent developments that contribute to improve the management of microgrids and their interaction with the electrical grid.

Topics of interest for this Special Issue include but are not limited to:

  • Integration of renewable energy sources
  • Energy storage systems for microgrids
  • Microgrid optimal sizing
  • Energy management strategies
  • Energy supply reliability
  • Production forecasting applied to energy management
  • Load forecasting and scheduling

Dr. Ghjuvan Antone Faggianelli
Prof. Dr. Christian Cristofari
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. 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

  • microgrids
  • renewable energy
  • energy storage
  • energy management

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Related Special Issue

Published Papers (3 papers)

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Research

13 pages, 3256 KiB  
Article
Temperature Dependence of the New Calibration Infrastructure for Impedance Metrology
by Marian Kampik, Krzysztof Musioł, Ryszard Rybski, Janusz Kaczmarek, Mirosław Kozioł, Maciej Koszarny, Adam Ziółek, Jolanta Jursza and Paweł Zawadzki
Energies 2025, 18(12), 3018; https://doi.org/10.3390/en18123018 - 6 Jun 2025
Viewed by 164
Abstract
This paper addresses issues relating to the temperature stability of impedance infrastructure used for the realization of impedance units and the calibration of measuring instruments. A description of the new infrastructure for impedance metrology recently developed in Poland is provided. We present the [...] Read more.
This paper addresses issues relating to the temperature stability of impedance infrastructure used for the realization of impedance units and the calibration of measuring instruments. A description of the new infrastructure for impedance metrology recently developed in Poland is provided. We present the results of measurements of temperature coefficients for four-port resistance standards and two-port capacitors used in the permuting capacitor device. We also report the results of stability tests of the recently developed temperature-controlled capacitance set. The results demonstrate excellent temperature stability for the impedance components and serve as an important source of information for selecting environmental conditions during comparisons and routine calibration. Full article
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20 pages, 8580 KiB  
Article
Enhancing Fairness and Efficiency in PV Energy Curtailment: The Role of East–West-Facing Bifacial Installations in Radial Distribution Networks
by Francis Maina Itote, Ryuto Shigenobu, Akiko Takahashi, Masakazu Ito and Ghjuvan Antone Faggianelli
Energies 2025, 18(10), 2630; https://doi.org/10.3390/en18102630 - 20 May 2025
Viewed by 329
Abstract
Electricity market reforms and decreasing technology costs have propelled residential solar PV growth leading distribution network operators to face operational challenges including reverse power flows and voltage regulation during peak solar generation. Traditional mono-facial south-facing PV systems concentrate production at midday when demand [...] Read more.
Electricity market reforms and decreasing technology costs have propelled residential solar PV growth leading distribution network operators to face operational challenges including reverse power flows and voltage regulation during peak solar generation. Traditional mono-facial south-facing PV systems concentrate production at midday when demand may be low, leading to high curtailment, especially for downstream households. This study proposes vertically installed east–west-facing bifacial PV systems (BiE and BiW), characterized by two energy peaks (morning and evening), which are better aligned with residential demand and alleviate grid constraints. Using load flow simulations, the performance of vertical bifacial configurations was compared against mono-facial systems across PV capacities from 1 to 20 kW. Fairness in curtailment was evaluated at 10 kW using Jain’s fairness index, the Gini index, and the Curtailment index. Simulation results show that BiE and BiW installations, especially at higher capacities, not only generate more energy but also are better at managing curtailment. At 10 kW, BiE and BiW increased bid energies by 815 kWh and 787 kWh, and reduced curtailed energy by 1566 kWh and 1499 kWh, respectively. These findings highlight the potential of bifacial PV installations in mitigating curtailment and improving fairness in energy distribution, supporting the demand for residential PV systems. Full article
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16 pages, 2824 KiB  
Article
Optimization Method for Topology Identification of Port Microgrid Based on Line Disconnection
by Yanmin Wang, Hanqing Zhang, Weiqi Zhang, Xiaoyong Wang and Jiaming Wang
Energies 2025, 18(3), 706; https://doi.org/10.3390/en18030706 - 4 Feb 2025
Viewed by 632
Abstract
Regarding the static voltage stability issue of microgrids, by considering the control of line disconnections to enhance the system load margin, an identification and optimization approach for grid topology control measures based on the parameters of disconnected lines is put forward. Linear sensitivity [...] Read more.
Regarding the static voltage stability issue of microgrids, by considering the control of line disconnections to enhance the system load margin, an identification and optimization approach for grid topology control measures based on the parameters of disconnected lines is put forward. Linear sensitivity is employed to scan and filter the measures; nonlinear fitting is utilized for ranking the measures; the leading control measures are calculated to determine the optimal line disconnection control measure. With the real lines and equipment conditions of LEKKI Port in Nigeria as a reference, experiments and simulations are conducted using ETAP and tested in the actual engineering of the port. The results indicate that the optimization method can significantly reduce the time required for load margin calculations in the project, and the effect of the method is similar to that of the traditional continuation power flow (CPFLOW) method. The method is more suitable for the application of online algorithms, which requires speed. Full article
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