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Most Recent

  • Article
  • Open Access

Thermal and Energy Performance Assessment of Evacuated Tube Collectors: Case Study at Rancho Luna Hotel

  • Leonel Díaz-Tato,
  • Luis Angel Iturralde Carrera,
  • Carlos D. Constantino-Robles,
  • Fernando Banda-Muñoz,
  • José M. Álvarez-Alvarado,
  • Marcos Aviles and
  • Juvenal Rodríguez-Reséndiz

5 February 2026

This study aimed to evaluate the thermal performance and operational behavior of an evacuated-tube solar collector field installed in a coastal hotel under real industrial conditions. The work analyzed temperature, irradiance, and mass-flow data to d...

  • Review
  • Open Access
70 Views
23 Pages

Review of the Cumulative Ecological Effects of Utility-Scale Photovoltaic Power Generation

  • Bo Yuan,
  • Yuan Li,
  • Jiachao Li,
  • Mengjing Guo,
  • Miaojie Li and
  • Shuguang Xie

3 February 2026

CPVG (Utility-scale photovoltaic generation) is expanding rapidly worldwide, yet its cumulative ecological effects remain insufficiently quantified. This review synthesizes current evidence to clarify how CPVG influences ecosystems through linked mec...

  • Article
  • Open Access
69 Views
21 Pages

Study of a University Campus Smart Microgrid That Contains Photovoltaics and Battery Storage with Zero Feed-In Operation

  • Panagiotis Madouros,
  • Yiannis Katsigiannis,
  • Evangelos Pompodakis,
  • Emmanuel Karapidakis and
  • George Stavrakakis

3 February 2026

Smart microgrids are localized energy systems that integrate distributed energy resources, such as photovoltaics (PVs) and battery storage, to optimize energy use, enhance reliability, and minimize environmental impacts. This paper investigates the o...

  • Article
  • Open Access
65 Views
16 Pages

3 February 2026

Uncovering the interdependencies among barrier factors and pinpointing the most critical obstacles are essential to overcoming the resistance encountered by photovoltaic (PV) integration into electricity markets. This study first employs grounded the...

  • Article
  • Open Access
100 Views
27 Pages

30 January 2026

The increasing integration of solar energy into the power grid necessitates robust fault detection and diagnosis (FDD) guidelines to ensure energy continuity and optimize the performance of grid-connected photovoltaic (GCPV) systems. This research ad...

  • Article
  • Open Access
1 Citations
235 Views
25 Pages

9 January 2026

In Mediterranean cities, high solar radiation combined with limited shading and vegetation intensifies the urban heat island (UHI) phenomenon. As the road network often covers a large portion of the cities’ surfaces and is mostly constructed us...

  • Article
  • Open Access
259 Views
16 Pages

6 January 2026

Bypass diode failure, particularly in the short-circuit mode, remains an under-addressed reliability issue in photovoltaic (PV) modules, causing severe power suppression and often leading to premature disposal of otherwise functional units. This stud...

  • Article
  • Open Access
263 Views
21 Pages

4 January 2026

While there is currently a significant opportunity for the construction of photovoltaic solar farms in the Southeastern United States, there is also a need for proper spatial planning that has not been adequately addressed by the existing literature....

  • Review
  • Open Access
499 Views
33 Pages

4 January 2026

The deployment of solar and other renewable energy technologies (RETs) plays a central role in the global energy transition and the pursuit of sustainable development. Beyond reducing greenhouse gas emissions, these technologies generate far-reaching...

  • Article
  • Open Access
328 Views
24 Pages

19 December 2025

This study investigates the fire behaviour of building-integrated photovoltaic (PV) claddings, focusing on the progression from glass failure to ignition under different cavity conditions. Experimental tests were conducted on two common PV cladding t...

  • Article
  • Open Access
559 Views
17 Pages

Solar Energy Geographies: Spatial Distribution of Photovoltaic Energy in Spain

  • Ibai de Juan,
  • Carmen Hidalgo-Giralt and
  • Antonio Palacios-García

8 December 2025

In response to the pressing climate change emergency, the rapid expansion of renewable energies, particularly photovoltaic (PV) power in Spain, is reconfiguring national energy landscapes, thereby necessitating detailed spatial analysis. This study a...

  • Article
  • Open Access
490 Views
30 Pages

5 December 2025

As the penetration of distributed energy resources (DERs) continues to increase, there is conjecture concerning the power quality implications of the inverters used to interface these DERs with low-voltage (LV) electricity supply networks. As a power...

  • Article
  • Open Access
575 Views
22 Pages

Feasibility on Operation and Maintenance in Floating Photovoltaic Power Plants Based on Cost-Effective Unmanned Surface Vehicles

  • Giacomo Cupertino,
  • Luciano Blasi,
  • Angelo Cipollini,
  • Ramiro Dell’Erba,
  • Luca Quattrucci and
  • Giuseppe Marco Tina

4 December 2025

Floating photovoltaic systems represent a promising solution for renewable energy generation, offering an alternative to agricultural land consumption. However, these installations have the potential to exert an effect on the aquatic ecosystem, empha...

  • Article
  • Open Access
602 Views
14 Pages

1 December 2025

Efficient utilization of solar energy in equatorial regions depends on accurately determining the optimal tilt and azimuth angles of fixed photovoltaic (PV) systems. This study presents a three-dimensional vector-based methodology that employs Direct...

  • Article
  • Open Access
547 Views
24 Pages

20 November 2025

Accurate day-ahead solar forecasting is essential for grid stability and energy planning. This study introduces a specialized forecasting framework that enhances accuracy by training models on specific day-to-day sky condition transitions. The framew...

  • Article
  • Open Access
848 Views
16 Pages

Vacuum U-Tube Solar Cooking System with Cylindrical Parabolic Solar Collector as a Sustainable Alternative in Northeastern Peru

  • Merbelita Yalta Chappa,
  • Wildor Gosgot Angeles,
  • Homar Santillan Gomez,
  • Humberto Jesus Hernandez Vilcarromero,
  • Diana Carina Mori Servan,
  • Manuel Oliva-Cruz,
  • Oscar Gamarra Torres,
  • Fernando Isaac Espinoza Canaza,
  • Carla Ordinola Ramírez and
  • Miguel Ángel Barrena Gurbillón

10 November 2025

This study evaluates the thermal performance of a prototype vacuum-tube solar cooker adapted to the climatic conditions of the Amazon region, Peru. Four grain types (Zea mays L., Triticum aestivum, Zea mays var. morochon, and Hordeum vulgare) were te...

  • Article
  • Open Access
839 Views
19 Pages

Large Language Models to Support Socially Responsible Solar Energy Siting in Utah

  • Uliana Moshina,
  • Izabelle P. Chick,
  • Juliet E. Carlisle and
  • Daniel P. Ames

6 November 2025

This study investigates the efficacy of large language models (LLMs) in supporting responsible and optimized geographic site selection for large-scale solar energy farms. Using Microsoft Bing (predecessor to Copilot), Google Bard (predecessor to Gemi...

  • Article
  • Open Access
573 Views
17 Pages

Data-Driven Model for Solar Panel Performance and Dust Accumulation

  • Ziad Hunaiti,
  • Ayed Banibaqash and
  • Zayed Ali Huneiti

1 November 2025

Solar panel deployment is vital to generate clean energy and reduce carbon emissions, but sustaining energy output requires regular monitoring and maintenance. This is particularly critical in countries with harsh environmental conditions, such as Qa...

  • Article
  • Open Access
517 Views
23 Pages

1 November 2025

Cr content χ of 0.4 at% for a Cr doped Nd (1 at%): YAG laser rod (LR) gave a higher laser output (Ioutput) than that of 0.0, 0.7, and 1.0 at% in a specially designed compact solar-pumped laser (SPL) outdoors. Ioutputs were measured as a function...

  • Article
  • Open Access
1,201 Views
13 Pages

Quantification of Yield Gain from Bifacial PV Modules in Multi-Megawatt Plants with Sun-Tracking Systems

  • Gabriele Malgaroli,
  • Fabiana Matturro,
  • Andrea Cagnetti,
  • Aleandro Vivino,
  • Ludovico Terzi,
  • Alessandro Ciocia and
  • Filippo Spertino

21 October 2025

Nowadays, bifacial photovoltaic (PV) technology has emerged as a key solution to enhance the energy yield of large-scale PV plants, especially when integrated with sun-tracking systems. This study investigates the quantification of bifaciality produc...

  • Article
  • Open Access
1,240 Views
27 Pages

Hourly Photovoltaic Power Forecasting Using Exponential Smoothing: A Comparative Study Based on Operational Data

  • Dmytro Matushkin,
  • Artur Zaporozhets,
  • Vitalii Babak,
  • Mykhailo Kulyk and
  • Viktor Denysov

20 October 2025

The accurate forecasting of solar power generation is becoming increasingly important in the context of renewable energy integration and intelligent energy management. The variability of solar radiation, caused by changing meteorological conditions a...

  • Article
  • Open Access
722 Views
23 Pages

Desirable Small-Scale Solar Power Production in a Global Context: Local Tradition-Inspired Solutions to Global Issues

  • Nina-Cristina Diţoiu,
  • Altan Abdulamit,
  • Radu Ştefan Tărău and
  • Dan Sebastian Săcui

17 October 2025

The polder in this case study addresses several environmental issues, risk management concerns related to localities served by existing non-permanent dams, energy requirements that can meet a locality’s needs during the renewable energy transit...

  • Review
  • Open Access
4 Citations
2,330 Views
38 Pages

11 October 2025

The term SHIP (solar heat for industrial processes) or SHIPs (solar heat for industrial plants) refers to the use of collected solar radiation for meeting industrial heat demands, rather than for electricity generation. The global thermal capacity of...

  • Article
  • Open Access
818 Views
22 Pages

Computational Intelligence-Based Modeling of UAV-Integrated PV Systems

  • Mohammad Hosein Saeedinia,
  • Shamsodin Taheri and
  • Ana-Maria Cretu

3 October 2025

The optimal utilization of UAV-integrated photovoltaic (PV) systems demands accurate modeling that accounts for dynamic flight conditions. This paper introduces a novel computational intelligence-based framework that models the behavior of a moving P...

  • Review
  • Open Access
1 Citations
1,874 Views
26 Pages

12 September 2025

Photovoltaic energy has become a key pillar in the transition to sustainable energy systems, driven by the need for efficient energy conversion and the reduction of dependency on fossil fuels. Maximum Power Point Tracking (MPPT) is central to optimiz...

  • Article
  • Open Access
1,126 Views
14 Pages

Comparing Outdoor to Indoor Performance for Bifacial Modules Affected by Polarization-Type Potential-Induced Degradation

  • Dylan J. Colvin,
  • Cécile Molto,
  • Ryan M. Smith,
  • Manjunath Matam,
  • Peter Hacke,
  • Fang Li,
  • Brent A. Thompson,
  • James Barkaszi,
  • Govindasamy Tamizhmani and
  • Hubert P. Seigneur

4 September 2025

Bifacial photovoltaic (PV) modules have the advantage of using light reflected off of the ground to contribute to power production. Predicting the energy gain is challenging and requires complex models to do so accurately. Often, module degradation o...

  • Article
  • Open Access
1,315 Views
17 Pages

Operating a Positive Temperature Coefficient Water Heater Powered by Photovoltaic Panels

  • Cameron Dolan,
  • Ryan M. Smith,
  • Henry Toal and
  • Michelle Wilber

3 September 2025

Domestic water heaters traditionally use natural gas or electric resistance to heat stored water. A gas water heater relies on a non-renewable resource, while an electric water heater might rely on electricity generated by a non-renewable resource. T...

  • Article
  • Open Access
2,664 Views
24 Pages

1 September 2025

The study investigates a hybrid energy system integrating photovoltaic (PV) panels, micro-CHP units, battery storage, and thermal storage to meet the winter energy demands of a residential building in Bacău, Romania. Using real-world experimenta...

  • Article
  • Open Access
1 Citations
1,292 Views
15 Pages

1 September 2025

The expansion of solar photovoltaic (PV) energy is a central pillar of Italy’s climate and energy transition strategy. However, the actual availability of land for PV deployment is heavily influenced by a complex regulatory framework that impos...

  • Article
  • Open Access
6,026 Views
31 Pages

4 August 2025

The Union of the Comoros, located in the Indian Ocean, faces persistent energy challenges due to its geographic isolation, heavy dependence on imported fossil fuels, and underdeveloped electricity infrastructure. This study investigates the techno-ec...

  • Article
  • Open Access
1,310 Views
17 Pages

Development and Evaluation of a Solar Milk Pasteurizer for the Savanna Ecological Zones of West Africa

  • Iddrisu Ibrahim,
  • Paul Tengey,
  • Kelci Mikayla Lawrence,
  • Joseph Atia Ayariga,
  • Fortune Akabanda,
  • Grace Yawa Aduve,
  • Junhuan Xu,
  • Robertson K. Boakai,
  • Olufemi S. Ajayi and
  • James Owusu-Kwarteng

4 August 2025

In many developing African countries, milk safety is often managed through traditional methods such as fermentation or boiling over firewood. While these approaches reduce some microbial risks, they present critical limitations. Firewood dependency c...

  • Review
  • Open Access
1,271 Views
15 Pages

4 August 2025

Solar cells based on the hybrid perovskite absorbers had shown very high growth of their conversion efficiency almost reaching to the Shockley–Queisser limit during last decade. However, low stability prevents to widely use them in industry and...

  • Article
  • Open Access
1,565 Views
12 Pages

Experimental Studies on Partial Energy Harvesting by Novel Solar Cages, Microworlds, to Explore Sustainability

  • Mohammad A. Khan,
  • Brian Maricle,
  • Zachary D. Franzel,
  • Gabe Gransden and
  • Matthew Vannette

1 August 2025

Sources of renewable energy have attracted considerable attention. Their expanded use will have a substantial impact on both the cost of energy production and climate change. Solar energy is one efficient and safe option; however, solar energy harves...

  • Article
  • Open Access
1 Citations
858 Views
20 Pages

1 August 2025

Direct electrification and hydrogen utilization represent two key pathways for decarbonizing the glass industry, with their effectiveness subject to adequate furnace design and renewable energy availability. This study presents a techno-economic asse...

  • Article
  • Open Access
2 Citations
4,946 Views
22 Pages

23 July 2025

This study investigates strategies for urban-scale renewable energy integration through a photovoltaic-centric approach, with a case study of a district in Barcelona. The methodology integrates spatial and morphological data using a geographic inform...

  • Article
  • Open Access
1,660 Views
38 Pages

15 July 2025

This study investigates the failure behavior of aluminum solar panel mounting structures subjected to uplift pressure, with particular focus on conditions not typically considered in conventional design, specifically, foundation defects. To clarify c...

  • Article
  • Open Access
1 Citations
3,170 Views
15 Pages

A Multi-Scale Approach to Photovoltaic Waste Prediction: Insights from Italy’s Current and Future Installations

  • Andrea Franzoni,
  • Chiara Leggerini,
  • Mariasole Bannò,
  • Mattia Avanzini and
  • Edoardo Vitto

15 July 2025

Italy strives to meet its renewable energy targets for 2030 and 2050, with photovoltaic (PV) technology playing a central role. However, the push for increased solar adoption, spurred by past incentive schemes such as “Conto Energia” and...

  • Article
  • Open Access
1,018 Views
15 Pages

Zero Emissions Analysis for a Hybrid System with Photovoltaic and Thermal Energy in the Balearic Islands University

  • Pere Antoni Bibiloni-Mulet,
  • Andreu Moià-Pol,
  • Jacinto Vidal-Noguera,
  • Iván Alonso,
  • Víctor Martínez-Moll,
  • Yamile Díaz Torres,
  • Vicent Canals,
  • Benito Mas and
  • Carles Mulet-Forteza

4 July 2025

The University of the Balearic Islands is undertaking a significant energy transition toward a zero-emissions model, motivated by escalating energy costs and strong institutional commitments to climate neutrality. This study investigates the technica...

  • Article
  • Open Access
2,006 Views
51 Pages

Evaluating Solar Energy Potential Through Clear Sky Index Characterization Across Elevation Profiles in Mozambique

  • Fernando Venâncio Mucomole,
  • Carlos Augusto Santos Silva and
  • Lourenço Lázaro Magaia

1 July 2025

The characteristics and types of the sky can greatly influence photovoltaic (PV) power generation, potentially leading to a reduction in both the lifespan and efficiency of the entire system. Driven by the challenge of addressing fluctuations in sola...

  • Article
  • Open Access
1 Citations
1,207 Views
19 Pages

Optimizing Zinc Selenide and Silicon-Based Heterojunction Solar Cells for Enhanced Photovoltaic Performance

  • Amina Laouid,
  • Amine Alaoui Belghiti,
  • Ali Abouais,
  • Krzysztof Wisniewski,
  • Mouhaydine Tlemçani,
  • Przemysław Płóciennik,
  • Abdelowahed Hajjaji and
  • Anna Zawadzka

25 June 2025

In the purpose of enhancing solar cell efficiency and sustainability, zinc selenide (ZnSe) and silicon (Si) play indispensable roles, offering a compelling combination of stability and transparency while also highlighting their abundant availability....

  • Article
  • Open Access
3,304 Views
26 Pages

Barrio-Level Assessment of Solar Rooftop Energy and Initial Insights into Energy Inequalities in Puerto Rico

  • Carlos A. Peña-Becerra,
  • Willian A. Pacheco-Cano,
  • Daniel F. Aragones-Vargas,
  • Agustín Irizarry-Rivera and
  • Marcel Castro-Sitiriche

19 June 2025

The transition to renewable energy is critical to enhance Puerto Rico’s energy resilience and reduce dependence on imported fossil fuels. Rooftop photovoltaic (PV) systems provide a scalable opportunity to meet these objectives. This study eval...

  • Article
  • Open Access
1 Citations
3,136 Views
24 Pages

17 June 2025

Steam is widely used in industry as a heat carrier for thermal processes and is primarily generated by gas-fired steam boilers. The decarbonization of industrial thermal demand relies on the capability of clean and renewable technologies to provide s...

  • Article
  • Open Access
1 Citations
2,366 Views
28 Pages

Photovoltaic Farm Power Generation Forecast Using Photovoltaic Battery Model with Machine Learning Capabilities

  • Agboola Benjamin Alao,
  • Olatunji Matthew Adeyanju,
  • Manohar Chamana,
  • Stephen Bayne and
  • Argenis Bilbao

6 June 2025

This study presents a machine learning-based photovoltaic (PV) model for energy management and planning in a microgrid with a battery system. Microgrids integrating PV face challenges such as solar irradiance variability, temperature fluctuations, an...

  • Article
  • Open Access
3,410 Views
21 Pages

31 May 2025

Decentralized solar water disinfection systems (DSODIS) in continuous flow systems are alternatives for large-scale improved water access in rural contexts. However, DSODIS in rural Ghana are limited. An exploratory sequential mixed-methods design wa...

  • Article
  • Open Access
3 Citations
2,009 Views
17 Pages

30 May 2025

Solar photovoltaic (PV) panels are the best solution to reduce greenhouse gas emissions by fossil fuel combustion, with global capability now exceeding 714 GW due to rapid technological advances in solar panels (SPs). However, SPs’ efficiency a...

  • Correction
  • Open Access
3,011 Views
1 Page

Correction: Cardoso et al. Solar Resource and Energy Demand for Autonomous Solar Cooking Photovoltaic Systems in Kenya and Rwanda. Solar 2023, 3, 487–503

  • João P. Cardoso,
  • António Couto,
  • Paula A. Costa,
  • Carlos Rodrigues,
  • Jorge Facão,
  • David Loureiro,
  • Anne Wambugu,
  • Sandra Banda,
  • Izael Da Silva and
  • Teresa Simões

21 May 2025

Following publication, the Editorial Office became aware that the original article [...]

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Solar - ISSN 2673-9941