Solar Energy最新文献

Performance analysis and optimization of a spectral beam splitting photovoltaic thermal system 光谱分束光伏热系统性能分析与优化

IF 6 2区工程技术

Solar Energy Pub Date : 2026-04-01 Epub Date: 2026-01-31 DOI: 10.1016/j.solener.2026.114389

Shifan Wei , Hui Xu , Yanhui Wang , Gang Tang , Hongtao Xu

{"title":"Performance analysis and optimization of a spectral beam splitting photovoltaic thermal system","authors":"Shifan Wei , Hui Xu , Yanhui Wang , Gang Tang , Hongtao Xu","doi":"10.1016/j.solener.2026.114389","DOIUrl":"10.1016/j.solener.2026.114389","url":null,"abstract":"<div><div>Spectral beam splitting provides an effective method for decoupling photovoltaic and photothermal conversion processes, enabling full-spectrum utilization of concentrated solar energy. However, most existing spectral beam splitting concentrating photovoltaic and thermal systems are evaluated under steady-state conditions, which makes it difficult to reflect the combined effects of solar irradiance fluctuation, temperature variation, and load change during long-term operation. In this study, a spectral beam splitting concentrating photovoltaic and thermal system based on a parabolic trough with secondary high concentration is proposed. A transient simulation model is established to investigate system performance during typical weekly and annual operation. System performance is evaluated using energy utilization efficiency, renewable energy contribution rate, and exergy efficiency. On this basis, a comprehensive performance index is constructed using the entropy weight method, and key system parameters are optimized using the particle swarm optimization algorithm. The results indicate that the system delivers a stable energy supply throughout the year, with annual average energy utilization efficiency, renewable energy contribution rate, and exergy efficiency of 64.4%, 65.5%, and 13.2%, respectively. Seasonal analysis indicates that under high solar radiation conditions in summer, renewable energy can meet most of the system energy demand, while in winter the system relies more on grid electricity to satisfy increased thermal loads. After optimization, the comprehensive performance index increases from 46.1% to 54.6%, corresponding to an improvement of 8.5%.</div></div>","PeriodicalId":428,"journal":{"name":"Solar Energy","volume":"308 ","pages":"Article 114389"},"PeriodicalIF":6.0,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146090788","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A robust rule-based method for detecting and classifying underperformance in photovoltaic systems using inverter data 一种基于规则的基于逆变器数据的光伏系统劣化检测和分类方法

IF 6 2区工程技术

Solar Energy Pub Date : 2026-04-01 Epub Date: 2026-01-31 DOI: 10.1016/j.solener.2026.114382

Bernardo Mendonca Severiano , Earl Duran , Jonathan Rispler , Jaysson Guerrero Orbe , Yinyan Liu , Fiacre Rougieux , Anna Bruce , Baran Yildiz , Chris Martell , Ibrahim Anwar Ibrahim

{"title":"A robust rule-based method for detecting and classifying underperformance in photovoltaic systems using inverter data","authors":"Bernardo Mendonca Severiano , Earl Duran , Jonathan Rispler , Jaysson Guerrero Orbe , Yinyan Liu , Fiacre Rougieux , Anna Bruce , Baran Yildiz , Chris Martell , Ibrahim Anwar Ibrahim","doi":"10.1016/j.solener.2026.114382","DOIUrl":"10.1016/j.solener.2026.114382","url":null,"abstract":"<div><div>This study presents a practical and scalable rule-based methodology for detecting and classifying underperformance in photovoltaic (PV) systems using only inverter data from the alternating current (AC) side. Motivated by the need for reliable, low-cost underperformance detection in distributed PV systems, the proposed approach eliminates reliance on high-resolution direct current (DC) side measurements or complex sensor infrastructure. A suite of algorithms was developed to identify and classify common underperformance events, including generation clipping, inverter tripping, recurring anomalies, and seasonal or daily yield reductions. The method was validated using real-world data from 1089 PV systems (2213 inverter monitors) throughout Australia, representing eight major inverter brands. A subset of 807 industry-labelled fault instances was used for performance benchmarking. The results demonstrated high classification accuracy for underperformance events (92% and 88% for our two defined cases), while highlighting areas for refinement in detecting more ambiguous cases such as generation clipping (56%). This work addresses a critical gap in current performance monitoring practices, offering a robust, low-intervention solution for PV fleet operators seeking to improve reliability, fault response, and economic performance at scale.</div></div>","PeriodicalId":428,"journal":{"name":"Solar Energy","volume":"308 ","pages":"Article 114382"},"PeriodicalIF":6.0,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146090791","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Mirror density optimization of solar tower system considering optical and receiver parameters 考虑光学和接收器参数的太阳塔系统反射镜密度优化

IF 6 2区工程技术

Solar Energy Pub Date : 2026-04-01 Epub Date: 2026-02-01 DOI: 10.1016/j.solener.2026.114375

Indranil Paul, Shireesh B. Kedare

{"title":"Mirror density optimization of solar tower system considering optical and receiver parameters","authors":"Indranil Paul, Shireesh B. Kedare","doi":"10.1016/j.solener.2026.114375","DOIUrl":"10.1016/j.solener.2026.114375","url":null,"abstract":"<div><div>The optical performance of the solar tower system depends on the specifications of the heliostat and receiver, along with the tower height and the mirror arrangement in the field. In this study, the heliostat field domain is discretized into a grid, and the mirror density denotes the mirror area in each grid element. The receiver aperture is idealized to be the outer surface of a cone situated at the aim point on the tower, and is represented by the tilt angle. The cosine and the attenuation efficiency are calculated based on the grid point location and the aim point. The interception efficiency is predicted by approximating the spread of the image on the receiver aperture plane. The mirror density is used to estimate the shading and the blocking efficiency. An optimization procedure is developed that can distribute a given mirror area optimally to reach the maximum optical efficiency. Detailed parametric analyses facilitated a deeper understanding of optical performance and mirror density distribution with the system parameters. Optical efficiency improvement of 3%-5% can be achieved by optimally tilting the receiver aperture. The heliostat field’s annual optical efficiency and average mirror density increase with the tower height to varying extents depending on the latitude. Results also indicate that, smaller capacity solar tower systems employing a short tower might be more beneficial for higher latitude locations. On the other hand, the combination of a tall tower and a high tilt receiver aperture might be preferable for lower latitude locations.</div></div>","PeriodicalId":428,"journal":{"name":"Solar Energy","volume":"308 ","pages":"Article 114375"},"PeriodicalIF":6.0,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146090792","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Enhanced photocatalytic H2 evolution performance of a novel Co3O4/ZnIn2S4 composite photocatalyst 新型Co3O4/ZnIn2S4复合光催化剂增强光催化析氢性能

IF 6 2区工程技术

Solar Energy Pub Date : 2026-03-15 Epub Date: 2026-01-19 DOI: 10.1016/j.solener.2026.114336

Yonghe Lao , Zenghua Zhao , Yuexin Hu , Yushen Zhang , Lei Shi

{"title":"Enhanced photocatalytic H2 evolution performance of a novel Co3O4/ZnIn2S4 composite photocatalyst","authors":"Yonghe Lao , Zenghua Zhao , Yuexin Hu , Yushen Zhang , Lei Shi","doi":"10.1016/j.solener.2026.114336","DOIUrl":"10.1016/j.solener.2026.114336","url":null,"abstract":"<div><div>Non-noble metal Co<sub>3</sub>O<sub>4</sub>/ZnIn<sub>2</sub>S<sub>4</sub> (COZIS) composite photocatalysts were prepared by compositing Co<sub>3</sub>O<sub>4</sub> nanoparticles with ZnIn<sub>2</sub>S<sub>4</sub> (ZIS) via solvothermal method. The incorporation of Co<sub>3</sub>O<sub>4</sub> significantly enhanced the COZIS composite photocatalyst’s capability to effectively separate photo-induced charge carriers. The Co<sub>3</sub>O<sub>4</sub>/ZnIn<sub>2</sub>S<sub>4</sub> composite demonstrated superior H<sub>2</sub> evolution performance in water splitting applications. With a Co<sub>3</sub>O<sub>4</sub> content of 3 wt% (COZIS-3), it achieved a peak hydrogen generation efficiency of 8333.01 μmol h<sup>−1</sup> g<sup>−1</sup>. Meanwhile, COZIS-3 composite photocatalyst could exhibit excellent hydrogen evolution performance in diverse aqueous environments and continuous cycling hydrogen evolution capacity, revealing promising practical applicability and exceptional cycling stability. Finally, the reaction mechanism of the Co<sub>3</sub>O<sub>4</sub>/ZnIn<sub>2</sub>S<sub>4</sub> composite photocatalyst was elucidated based on experimental results and characterization analyses. A cost-effective methodology for photocatalytic system development is proposed, particularly for sustainable hydrogen production utilizing solar energy.</div></div>","PeriodicalId":428,"journal":{"name":"Solar Energy","volume":"307 ","pages":"Article 114336"},"PeriodicalIF":6.0,"publicationDate":"2026-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146024817","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A focused review on emerging trends in antimony chalcogenide based photocathodes for green hydrogen production 重点综述了基于硫系锑的绿色制氢光电阴极的发展趋势

IF 6 2区工程技术

Solar Energy Pub Date : 2026-03-15 Epub Date: 2026-01-30 DOI: 10.1016/j.solener.2026.114368

Thatheyus Peter Xavier , Deepshikha Rathore , Malar Piraviperumal

{"title":"A focused review on emerging trends in antimony chalcogenide based photocathodes for green hydrogen production","authors":"Thatheyus Peter Xavier , Deepshikha Rathore , Malar Piraviperumal","doi":"10.1016/j.solener.2026.114368","DOIUrl":"10.1016/j.solener.2026.114368","url":null,"abstract":"<div><div>Over the past decade, extensive research has been devoted in developing cost-effective, robust, and efficient photoelectrodes for sustainable hydrogen production via photoelectrochemical (PEC) water splitting, aiming to address the growing global energy crisis. Among various materials, antimony-based chalcogenide semiconductors, such as Sb<sub>2</sub>Se<sub>3</sub>, Sb<sub>2</sub>S<sub>3</sub> and Sb<sub>2</sub>(S,Se)<sub>1-x</sub> have emerged as promising candidates for PEC photocathodes, as they meet key criteria including, suitable band gap (1.1 to 1.7 eV), superior optoelectronic properties, high absorption coefficient and outstanding photocorrosion stability, making them highly suitable for solar-driven hydrogen generation. This review outlines the basic principles of PEC water splitting with its key parameter calculations and typical device configurations. Recent advancements in antimony chalcogenide based photocathodes are thoroughly reviewed, with reference to the intrinsic optoelectronic properties, morphological effects, the role of cocatalyst incorporation and protective interfacial layer engineering in enhancing device performance. The review article concludes with existing challenges and future research directions, highlighting the potential of antimony chalcogenide photocathodes for low-cost, efficient solar hydrogen production, tandem device architectures, and commercial-scale applications.</div></div>","PeriodicalId":428,"journal":{"name":"Solar Energy","volume":"307 ","pages":"Article 114368"},"PeriodicalIF":6.0,"publicationDate":"2026-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146074352","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Preparation and characterization of a new supercooled composite phase-change material based on sodium acetate trihydrate 基于三水合乙酸钠的新型过冷复合相变材料的制备与表征

IF 6 2区工程技术

Solar Energy Pub Date : 2026-03-15 Epub Date: 2026-01-29 DOI: 10.1016/j.solener.2026.114386

Can Li, Guobing Zhou, Siyu Zhang

{"title":"Preparation and characterization of a new supercooled composite phase-change material based on sodium acetate trihydrate","authors":"Can Li, Guobing Zhou, Siyu Zhang","doi":"10.1016/j.solener.2026.114386","DOIUrl":"10.1016/j.solener.2026.114386","url":null,"abstract":"<div><div>Supercooled sodium acetate trihydrate (SAT) has significant potential for long-term thermal storage and flexible heat release because of high latent heat, cheapness and large supercooling degree. However, the relatively high melting point limits application in low-temperature scenarios. In this study, inorganic chlorides (KCl, NaCl, NH<sub>4</sub>Cl) are introduced as melting-point regulators, and carboxymethyl cellulose (CMC), xanthan gum (XG), gelatin and starch as thickeners are added to prepare modified SAT-based composite phase change materials (CPCMs). Thermal performances and phase separation of the CPCMs are systematically investigated. Results show that 24% NH<sub>4</sub>Cl reduces the maximum discharging temperature (<em>T</em><sub>dis</sub>) to 29.89 °C while maintaining stable supercooling, whereas 8% KCl and 4% NaCl only lower <em>T</em><sub>dis</sub> to 50.65 °C and 52 °C, respectively. The optimal thickener contents to suppress phase separation are 1% CMC, 0.5% XG, 0.25% gelatin, and 1% starch, respectively. For the final CPCM composition of SAT + 24% NH<sub>4</sub>Cl + 0.5% XG, DSC tests determine the latent heat being 170.4 J/g. XRD analysis shows no formation of new crystalline phases after NH<sub>4</sub>Cl incorporation. The thermal conductivity of the CPCM is 0.627 W/(m·K). Thermal cycling tests demonstrate the CPCM maintains stable supercooling at − 10 °C after 100 cycles. A low-temperature concrete curing experiment validates the feasibility of final CPCM for low-temperature thermal management. This study provides experimental basis for low-temperature modification of SAT while maintaining stable supercooling for flexible thermal storage. The developed CPCM has suitable <em>T</em><sub>dis</sub>, high latent heat and less phase separation, indicating promising application potential in building energy conservation, concrete curing, and battery thermal management.</div></div>","PeriodicalId":428,"journal":{"name":"Solar Energy","volume":"307 ","pages":"Article 114386"},"PeriodicalIF":6.0,"publicationDate":"2026-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146074855","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Post-processing of ensemble photovoltaic power forecasts with distributional and quantile regression methods 分布式和分位数回归方法对光伏发电总量预测的后处理

IF 6 2区工程技术

Solar Energy Pub Date : 2026-03-15 Epub Date: 2026-01-29 DOI: 10.1016/j.solener.2026.114361

Martin János Mayer , Ágnes Baran , Sebastian Lerch , Nina Horat , Dazhi Yang , Sándor Baran

{"title":"Post-processing of ensemble photovoltaic power forecasts with distributional and quantile regression methods","authors":"Martin János Mayer , Ágnes Baran , Sebastian Lerch , Nina Horat , Dazhi Yang , Sándor Baran","doi":"10.1016/j.solener.2026.114361","DOIUrl":"10.1016/j.solener.2026.114361","url":null,"abstract":"<div><div>Accurate and reliable forecasting of photovoltaic (PV) power production is crucial for grid operations, electricity markets, and energy planning, as solar systems now contribute a significant share of the electricity supply in many countries. PV power forecasts are often generated by converting forecasts of relevant weather variables to power forecasts via a model chain. The use of ensemble simulations from numerical weather prediction models results in probabilistic PV forecasts in the form of a forecast ensemble. However, weather forecasts often exhibit systematic errors that propagate through the model chain, leading to biased and/or uncalibrated PV power forecasts. These deficiencies can be mitigated by statistical post-processing. Using PV production data and corresponding short-term PV power ensemble forecasts at seven utility-scale PV plants in Hungary, we systematically evaluate and compare seven state-of-the-art methods for post-processing PV power forecasts. These include both parametric and non-parametric techniques, as well as statistical and machine learning-based approaches. Our results show that compared to the raw PV power ensemble, any form of statistical post-processing significantly improves the predictive performance reducing the mean continuous ranked probability score (CRPS) by 11.1–14.7%. Non-parametric methods outperform parametric models, with advanced nonlinear quantile regression models showing the best results. Furthermore, machine learning-based approaches surpass their traditional statistical counterparts by around 2 percentage points in terms of the improvement in mean CRPS over the raw forecasts.</div></div>","PeriodicalId":428,"journal":{"name":"Solar Energy","volume":"307 ","pages":"Article 114361"},"PeriodicalIF":6.0,"publicationDate":"2026-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146074860","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Wind-induced vibration characteristics and parametric analysis of multi-row cable-supported photovoltaic structures with edge-row wind-resistant cables 边排抗风索多排光伏结构风振特性及参数分析

IF 6 2区工程技术

Solar Energy Pub Date : 2026-03-15 Epub Date: 2026-01-21 DOI: 10.1016/j.solener.2026.114346

Wei Li , Fei Han , Bo Chen , Qingshan Yang

{"title":"Wind-induced vibration characteristics and parametric analysis of multi-row cable-supported photovoltaic structures with edge-row wind-resistant cables","authors":"Wei Li , Fei Han , Bo Chen , Qingshan Yang","doi":"10.1016/j.solener.2026.114346","DOIUrl":"10.1016/j.solener.2026.114346","url":null,"abstract":"<div><div>Flexible cable-supported photovoltaic (FCSPV) structures with additional wind-resistant cables installed only at the edge rows are widely adopted. For such structures, wind load is usually the governing load, and their wind-induced vibration behavior is significantly affected by wind-resistant enhancement measures (WREMs), structural parameters (such as PV panel tilt angle <em>β</em> and row spacing <em>D</em>), and wind load parameters (such as basic wind pressure <em>w</em><sub>0</sub>). This study first performs wind tunnel tests to obtain the wind loads on a typical six-row FCSPV structure under various conditions of <em>β</em>, <em>D</em>, and wind directions (<em>α</em>). Subsequently, detailed finite element models are developed, and time-history analyses are performed to investigate the wind-induced responses of the six-row FCSPV structure with different WREMs. The effectiveness of installing wind-resistant cables at the edge rows and inter-row bracings is examined. Based on the structure equipped with this reasonable WREM, a parametric analysis is conducted to reveal the influence of various parameters on its wind-induced vibration characteristics. Finally, wind-resistant design recommendations for this type of structure are provided. The study results show that the most unfavorable wind directions for the structure are 0° and 180°. The reasonable WREM can significantly enhance structural wind-resistant performance, reducing the maximum peak wind-induced displacements by 23.1% and 92.7% under these two critical wind directions, respectively. Moreover, the overall structural gust-effect factor mainly falls within the range of 2.0 to 4.0, generally decreasing with increasing <em>w</em><sub>0</sub> and <em>β</em>, and exhibiting an initial increase followed by a decrease as <em>D</em> increases.</div></div>","PeriodicalId":428,"journal":{"name":"Solar Energy","volume":"307 ","pages":"Article 114346"},"PeriodicalIF":6.0,"publicationDate":"2026-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146024384","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Airborne dust-induced performance degradation of photovoltaic modules in Bangladesh 孟加拉国空气粉尘引起的光伏组件性能退化

IF 6 2区工程技术

Solar Energy Pub Date : 2026-03-15 Epub Date: 2026-01-18 DOI: 10.1016/j.solener.2026.114331

Afrina Sharmin, Shahran Ahmed Joy, Munira Sultana, Md.Rashed Alam, M.S. Bashar

{"title":"Airborne dust-induced performance degradation of photovoltaic modules in Bangladesh","authors":"Afrina Sharmin, Shahran Ahmed Joy, Munira Sultana, Md.Rashed Alam, M.S. Bashar","doi":"10.1016/j.solener.2026.114331","DOIUrl":"10.1016/j.solener.2026.114331","url":null,"abstract":"<div><div>For dry and densely populated areas, dust deposition on the outdoor PV cells reduces the transparent area considerably, thereby lowering the efficiency of electric power generation. This paper brings forth a new approach involving natural dust deposition, incorporating both field testing as well as indoor testing for the tropical conditions of Dhaka, Bangladesh. This method differs from past research related to artificial or uniform dust deposition on PV cells, allowing for a more practical simulation of realistic dust deposition in the atmosphere. The parameters for experimentation were tested under Standard Test Conditions (25 °C, 1000 W/m<sup>2</sup>) with a precise solar simulator for high accuracy, similar to practical conditions. There was a considerable fall of about 28% in the short-circuit current (I<sub>sc</sub>) for dusty PV cells. Additionally, the maximum power point (P<sub>mp</sub>) reduced to a level of 172–232 W, compared to a fall to 235–238 W for clean PV cells. The highest dust concentration was measured to be 23.76 g/m<sup>2</sup> in November, causing efficiency loss of more than 27%. Efficiency loss was further reflected through a fall in the Fill Factor, measured between 72–76%, with a corresponding fall from 15.96% efficiency for clean PV cells to 11.82% efficiency for dusty PV cells. Current-voltage (I-V) curves showed a reduced area for dust-covered PV cells, indicating a more realistic simulation of efficiency loss through natural dust deposition as against the general simulation approach.</div></div>","PeriodicalId":428,"journal":{"name":"Solar Energy","volume":"307 ","pages":"Article 114331"},"PeriodicalIF":6.0,"publicationDate":"2026-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146024486","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A parametric evaluation of rooftop photovoltaic utilization and yield density considering urban morphology effects 考虑城市形态影响的屋顶光伏利用与产量密度参数评价

IF 6 2区工程技术

Solar Energy Pub Date : 2026-03-15 Epub Date: 2026-01-24 DOI: 10.1016/j.solener.2026.114364

Fatma Fathy , Rabee Shamass , Xiangming Zhou

{"title":"A parametric evaluation of rooftop photovoltaic utilization and yield density considering urban morphology effects","authors":"Fatma Fathy , Rabee Shamass , Xiangming Zhou","doi":"10.1016/j.solener.2026.114364","DOIUrl":"10.1016/j.solener.2026.114364","url":null,"abstract":"<div><div>Urban morphology plays a critical role in shaping the energy utilization potential of rooftop photovoltaic (PV) systems, with key factors including building height, available roof area, as well as obstruction angles and orientation influencing shading patterns and solar exposure. Previous research highlighted the impact of building and urban forms on enhancing solar energy utilization and decreasing energy demands. However, the development of a simple design model that captures the relationship between key design parameters and their impact on PV Utilization potential and Yield Density requires further large-scale investigation. This study aims to develop design-oriented regression models that enable practitioners to reliably estimate PV technical potential in the early stages of the design process. A comprehensive parametric analysis with around 1,000 simulation runs were conducted to evaluate and predict rooftop PV energy performance, emphasizing the influence of building and urban design parameters. Correlation analysis and regression models are developed to interpret the parametric relations and utilization potential of PV on building’s rooftop in Cairo, Egypt. Results indicate that roof-to-total floor area (RTFA %) and sunhours % are the most significant predictors of PV Utilization. These variables interact such that the sensitivity of PV Utilization in response to sunhours variations is doubled with every increase in RTFA %. In contrast, sunhours % and South obstruction angle are found to be the effective predictors of PV Yield Density. This study provides valuable insights for informed decision making, enabling the design of urban environments that maximize solar energy utilization and support sustainable development.</div></div>","PeriodicalId":428,"journal":{"name":"Solar Energy","volume":"307 ","pages":"Article 114364"},"PeriodicalIF":6.0,"publicationDate":"2026-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146074347","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0