Solar Energy Technologies A Review of Conversion, Solar Heating, Hybrid Systems, Solar Cooling and Applications

Author

M.Gopi, P. Kirankumar, N. Sanjay, Dr. K. Sivsprasad


Abstract

 Solar energy technologies convert sunlight into electricity, useful heat, cooling, or a combination of services. This paper reviews the principal technology families represented in the supplied term-paper references: photovoltaic (PV) conversion, solar thermal collectors, concentrating solar power, photovoltaic-thermal (PV/T) systems, hybrid energy systems, solar cooling, thermal and electrical storage, and solar-assisted end uses. It synthesizes the reported work on building systems, water heating, air heating, cooling, desalination, rural energy, and energy storage. The evidence shows that system performance depends on more than the efficiency of a collector or module. Resource conditions, temperature requirements, storage, controls, auxiliary power, water use, affordability, and system boundaries determine useful output. Hybridization can improve continuity and make better use of captured solar energy, but adds equipment and operational complexity. Reported numerical results are study-specific and are not directly ranked because methods, climates, and boundaries differ. The review concludes that solar installations should be selected and assessed against a defined service need using transparent energy, cost, reliability, and lifecycle measures.


Keywords

solar energy; photovoltaic; solar thermal; concentrating solar power; PV/T; storage; hybrid systems; solar cooling.



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References


[1] G. Dosymbetova et al., “Neural Network-Based Active Cooling System With IoT Monitoring and Control for LCPV Silicon Solar Cells,” IEEE Access, 2023, doi: 10.1109/ACCESS.2023.3280265.

[2] P. K. Pathak et al., “A State-of-the-Art Review on Heat Extraction Methodologies of Photovoltaic/Thermal System,” IEEE Access, 2023, doi: 10.1109/ACCESS.2023.3277728.

[3] L. F. Cabeza et al., “Review of Solar Thermal Storage Techniques and Associated Heat Transfer Technologies.”

[4] D. N. Harries et al., “Concentrating Solar Thermal Heat Storage Using Metal Hydrides.”

[5] W.-T. Li et al., “Improving the Operation of Solar Water Heating Systems in Green Buildings via Optimized Control Strategies,” IEEE Transactions on Industrial Informatics, 2018, doi: 10.1109/TII.2018.2797018.

[6] “Planning Framework for Integrating Solar-Powered Heat Pumps into Combined Heat and Power Systems,” IEEE Transactions on Sustainable Energy, 2018, doi: 10.1109/TSTE.2018.2810137.

[7] Y. Huang et al., “Unlocking the Potential of Solar Heating for Liquid Air Energy Storage: Multi-Regional Techno-Economic Insights.”

[8] W. R. Nazhat et al., “The Evolution of Solar Air Heating Strategies for Enhanced Energy Harnessing: A Comprehensive Critical Review,” Scientific African, 2026, doi: 10.1016/j.sciaf.2026.e03702.

[9] S. Tao et al., “Photothermal Regulation Materials: A Comprehensive Review of Passive Radiative Cooling, Passive Solar Heating, and Dynamic Photothermal Regulation Materials.”

[10] M. B. Wani et al., “Assessment of Energy Poverty in Estonia: A Spatial Analysis of Heating Affordability and Solar Heating Solutions.”

[11] A. M. Almogbel and F. S. Alkasmoul, “Simulation and Performance Analysis of Solar Adsorption Cooling Systems,” Energy Reports, 2025.

[12] J. Patel et al., “Solar Adsorption Cooling Systems for Off-Grid Sustainability: Recent Advances, Design Strategies, and Future Perspectives,” 2025.

[13] M. Khennich et al., “Thermodynamic Analysis of a Solar Powered Ejector Cooling System,” Case Studies in Thermal Engineering, 2024.

[14] M. Mahmoud et al., “Hybrid Solar-Geothermal Energy Systems: Technological Developments, Challenges, and Scientific Research Dynamics.”

[15] Y. Noorollahi et al., “Design and Evaluation of a Hybrid Solar-Biomass Energy System for Low-Carbon Rural Electrification.”

[16] M. T. Abdelghany and M. F. Orhan, “Empowering Water Security: High-Efficiency Hybrid Solar Desalination Systems.”

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