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Sustainable High-Efficiency Solar Utilization and Integration Technologies

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Energy Sustainability".

Deadline for manuscript submissions: 14 February 2027 | Viewed by 460

Editors


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Guest Editor
School of Renewable Energy, Hohai University, Nanjing 211098, China
Interests: integrated high-efficiency solar energy utilization; pumped thermal energy storage; new energy technology
School of Sustainable Energy and Resources, Nanjing University, Suzhou 215163, China
Interests: sustainability; solar energy; renewable energy technology; clean conversion and utilization of energy; design and development of new energy materials and devices; thermochemical conversion of organic wastes; thermodynamic analysis and optimization of energy systems; solar thermal utilization
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Solar energy is one of the most abundant and promising renewable energy resources for achieving global sustainability and carbon neutrality goals. However, the inherently intermittent, spatially distributed, and multi-form nature of solar energy poses significant challenges to its high-efficiency utilization and large-scale integration into modern energy systems. Advancing sustainable and high-efficiency solar utilization, therefore, requires not only improvements in conversion technologies but also systematic integration strategies across multiple energy carriers, storage technologies, and application scenarios. 

This Special Issue, entitled “Sustainable High-Efficiency Solar Utilization and Integration Technologies,” aims to provide a comprehensive platform for presenting recent advances in solar energy utilization technologies and their integration within complex energy systems. The focus is on enhancing overall system efficiency, operational flexibility, and sustainability through innovative system design, modelling, control, and optimization approaches. Both fundamental studies and applied research addressing solar energy conversion, integration, and hybridization with other renewable and storage technologies are welcome. Topics of interest include, but are not limited to, the following: 

  • High-efficiency solar energy conversion and utilization technologies;
  • Sustainable solar energy utilization in integrated and hybrid energy systems;
  • Solar-assisted energy systems, including heating, cooling, and heat pump-based solutions;
  • Integration of solar energy with energy storage and other renewable energy technologies;
  • Modeling, simulation, and optimization of solar-integrated energy systems;
  • Operation, control, and energy management of solar-based energy systems;
  • Distributed and intelligent solar energy systems;
  • Energy storage technologies supporting solar energy integration;
  • Performance evaluation and sustainability assessment of solar energy systems. 

We welcome original research articles and review papers that address both theoretical developments and practical applications, with an emphasis on sustainable design, high-efficiency performance, and system-level integration. This Special Issue seeks to foster interdisciplinary collaboration among researchers, engineers, and practitioners, and to contribute to the advancement of solar energy technologies that support a resilient and sustainable energy future.

Dr. Yikai Wang
Dr. Jialing Xu
Guest Editors

Manuscript Submission Information

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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-anonymized peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sustainability 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

  • solar energy utilization
  • high-efficiency solar systems
  • solar energy integration
  • solar-assisted energy systems
  • integrated energy systems
  • renewable energy integration
  • energy storage technologies
  • solar thermal systems
  • sustainable energy systems

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Published Papers (1 paper)

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Research

27 pages, 2433 KB  
Article
Real-World Validation of a 13.18 MWp Solar Power Plant: A Techno-Economic Comparison of Monofacial and Bifacial Technologies with Albedo Enhancement
by Safak Hunutlu, İbrahim Eke and Suleyman Sungur Tezcan
Sustainability 2026, 18(16), 8549; https://doi.org/10.3390/su18168549 - 20 Aug 2026
Viewed by 122
Abstract
Türkiye’s strategic geographical location offers an exceptional opportunity for solar energy harvesting, yet optimizing large-scale investments requires rigorous pre-assessment methodologies. This study presents a comprehensive multi-criteria techno-economic analysis and real-world validation of a 13.18 MWp solar power plant (SPP) located in Kirsehir, a [...] Read more.
Türkiye’s strategic geographical location offers an exceptional opportunity for solar energy harvesting, yet optimizing large-scale investments requires rigorous pre-assessment methodologies. This study presents a comprehensive multi-criteria techno-economic analysis and real-world validation of a 13.18 MWp solar power plant (SPP) located in Kirsehir, a region characterized by high solar irradiance (1750 kWh/m2). Utilizing PVsyst software, four distinct configurations—monofacial and bifacial modules at 21° and 25° tilt angles—were systematically simulated and evaluated across varying equity-to-loan ratios using key financial indicators (NPV, IRR, PI, and Payback Period). The simulation results identified the 21° bifacial configuration, enhanced by the innovative integration of high-albedo industrial calcite (CaCO3) waste as ground cover, as the optimal engineering solution. Crucially, the accuracy of this optimization was evaluated against 12 months of field data. While the raw measured annual production was recorded as 22,793,323 kWh, the validation was strictly based on the production adjusted for grid outages (23,499,604 kWh). Comparing this adjusted value with the simulated annual generation (22,816,114 kWh) yielded a total annual discrepancy of only 3% and a volumetrically weighted average error of 5.07%. Furthermore, to isolate model fidelity from inter-annual meteorological variability, the validation was assessed using the Performance Ratio (PR). The adjusted volumetrically weighted PR (87.43%) demonstrated a remarkably close alignment with the simulated PR (87.48%), exhibiting a marginal deviation of merely 0.05%. These performance metrics indicate a general consistency between the simulation model and operational field records across the evaluated period. Environmentally, the maximized energy yield of the 21° bifacial system facilitates the avoidance of approximately 6507.58 tonnes of CO2 emissions annually. This research not only establishes the viability of scalable, low-cost calcite ground covers but also provides a highly robust, de-risked decision-support framework for utility-scale PV investments in similar geographic latitudes. Full article
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