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Type Paper
Cite as Citation reference for the source document. Koami Soulemane Hayibo and Joshua M. Pearce. Foam-based floatovoltaics: A potential solution to disappearing terminal natural lakes. Renewable Energy (2022). 188, 859-872, https://doi.org/10.1016/j.renene.2022.02.085 open access

Terminal lakes are disappearing worldwide because of direct and indirect human activities. Floating photovoltaics (FPV) are a synergistic system with increased energy output because of water cooling, while the FPV reduces water evaporation. This study explores how low-cost foam-based floatovoltaic systems can mitigate the disappearance of natural lakes. A case study is performed on 10%–50% FPV coverage of terminal and disappearing Walker Lake. Water conservation is investigated with a modified Penman-Monteith evapotranspiration method and energy generation is calculated with an operating temperature model experimentally determined from foam-based FPV. Results show FPV saves 52,000,000 m3/year of water and US$6,000,000 at 50% FPV coverage. The FPV generates 20 TWh/year of renewable energy, which is enough to offset all coal-fired power plants in Nevada thus reducing carbon-emission based climate forcing partially responsible for a greater rate of disappearance of the lake. The results of this study, which is the first of its kind, indicate foam-based FPV has potential to play a crucial role in mitigation efforts to prevent the disappearing of natural lakes worldwide.

Graphical Abstract[edit | edit source]

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Keywords[edit | edit source]

Floating photovoltaic; FPV; Flexible; Sustainable development; Open-source; Photovoltaic; Racking; water; energy water nexus; dual use; water conservation; FPV; solar energy; Floatovoltaic; Water conservation; Solar energy; Terminal lakes

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