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Floating PV; an assessment of water quality and evaporation reduction in semi-arid regions

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  • Qasem Abdelal

Abstract

This work addresses the potential impact on water quality and quantifies the benefit of the low carbon power source of floating solar panels in evaporation reduction when using them on an open water body, such as an agricultural irrigation pond in semi-arid regions. By utilizing agricultural ponds for low carbon energy conversion, and saving precious water through evaporation reduction, the highly vulnerable agricultural sector will be empowered. A pilot size setup is prepared, key water quality parameters were monitored and evaporation quantities in a PV-covered pond are compared to those from an adjacent open water pond used as a control. Several inclination angles for the panels were tested. Results showed no adverse impact on the water quality; on the contrary, there is evidence of improvement particularly in nitrate and chlorophyll concentrations. Moreover, a reduction of ~60% in evaporation was observed; power generation from the floating panels, on the other hand, was statistically similar to that from ground-mounted panels.

Suggested Citation

  • Qasem Abdelal, 2021. "Floating PV; an assessment of water quality and evaporation reduction in semi-arid regions," International Journal of Low-Carbon Technologies, Oxford University Press, vol. 16(3), pages 732-739.
    • Handle: RePEc:oup:ijlctc:v:16:y:2021:i:3:p:732-739.
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    File URL: http://hdl.handle.net/10.1093/ijlct/ctab001
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    Citations

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    Cited by:

    1. John Vourdoubas, 2022. "Possibilities of Using Floating Solar Photovoltaic Panels on Water Reservoirs in the Island of Crete, Greece," Environmental Management and Sustainable Development, Macrothink Institute, vol. 11(4), pages 11-26, December.
    2. Ma, Chao & Liu, Zhao, 2022. "Water-surface photovoltaics: Performance, utilization, and interactions with water eco-environment," Renewable and Sustainable Energy Reviews, Elsevier, vol. 167(C).
    3. Ji, Qianfeng & Li, Kefeng & Wang, Yuanming & Feng, Jingjie & Li, Ran & Liang, Ruifeng, 2022. "Effect of floating photovoltaic system on water temperature of deep reservoir and assessment of its potential benefits, a case on Xiangjiaba Reservoir with hydropower station," Renewable Energy, Elsevier, vol. 195(C), pages 946-956.
    4. Evgeny Solomin & Evgeny Sirotkin & Erdem Cuce & Shanmuga Priya Selvanathan & Sudhakar Kumarasamy, 2021. "Hybrid Floating Solar Plant Designs: A Review," Energies, MDPI, vol. 14(10), pages 1-25, May.
    5. Patrick Moriarty & Damon Honnery, 2022. "Renewable Energy and Energy Reductions or Solar Geoengineering for Climate Change Mitigation?," Energies, MDPI, vol. 15(19), pages 1-16, October.
    6. Md. Imamul Islam & Mohd Shawal Jadin & Ahmed Al Mansur & Nor Azwan Mohamed Kamari & Taskin Jamal & Molla Shahadat Hossain Lipu & Mohd Nurulakla Mohd Azlan & Mahidur R. Sarker & A. S. M. Shihavuddin, 2023. "Techno-Economic and Carbon Emission Assessment of a Large-Scale Floating Solar PV System for Sustainable Energy Generation in Support of Malaysia’s Renewable Energy Roadmap," Energies, MDPI, vol. 16(10), pages 1-32, May.
    7. Laura Essak & Aritra Ghosh, 2022. "Floating Photovoltaics: A Review," Clean Technol., MDPI, vol. 4(3), pages 1-18, August.
    8. Nobre, Regina & Boulêtreau, Stéphanie & Colas, Fanny & Azemar, Frederic & Tudesque, Loïc & Parthuisot, Nathalie & Favriou, Pierre & Cucherousset, Julien, 2023. "Potential ecological impacts of floating photovoltaics on lake biodiversity and ecosystem functioning," Renewable and Sustainable Energy Reviews, Elsevier, vol. 188(C).

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