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English: This study presents a life cycle analysis (LCA) of a 10-MW foam-based floatovoltaics (FPV) plant installed on Lake Mead, Nevada, U.S. A material inventory of the flexible crystalline silicon (c-Si)-based module involved massing and determination of material composition of the module's encapsulation layers with ATR/FTR spectroscopy and electron microscopy. The LCA was performed using SimaPro and the results were interpreted in terms of cumulative energy demands, energy payback time, global warming potential, GHG emissions, and water footprint including negative values for reduced evaporation. A sensitivity analysis was performed on the lifetime of the modules and the foam-based racking. The results show 30-year lifetime foam-based FPV system have one of the lowest energy payback times (1.3 years) and the lowest GHG emissions to energy ratio (11 kg CO2 eq/MWh) in c-Si solar PV technologies reported to date. In addition, the foam-based FPV system also had 5 times less water footprint (21.5 m3/MWh) as compared to a conventional pontoon-based FPV (110 m3/MWh). The lifetime of the foam-based racking does not affect the result, while the lifetime of the modules has a significant effect on the lifecycle impacts of the foam-based FPV plant. Foam-based FPV is a net positive for the environment if its lifetime is above 7.4 years and the technology has the potential to become the greenest c-Si-based solar PV technology if the lifetime of the modules can be guaranteed for at least 26.6 years. Future work is needed to determine these lifetimes of these systems and expand them.
- Review Page: Life Cycle Analysis of Floatovoltaics - Data and Source Code: https://osf.io/qt6mx/ Hayibo, K.S., Mayville, P., Pearce, J., 2022. The Greenest Solar Power? Life Cycle Assessment of Foam-Based Flexible Floatovoltaics. Sustainable Energy & Fuels, 2022, 6, 1398 - 1413. accepted version. https://doi.org/10.1039/D1SE01823J Academia OA |
Date | |
Source | https://www.appropedia.org/The_Greenest_Solar_Power%3F_Life_Cycle_Assessment_of_Foam-Based_Flexible_Floatovoltaics |
Author | Koami Soulemane Hayibo, Joshua M. Pearce |
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current | 06:34, 17 November 2023 | 757 × 670 (550 KB) | Yew know (talk | contribs) | Uploaded a work by Koami Soulemane Hayibo, Joshua M. Pearce from https://www.appropedia.org/The_Greenest_Solar_Power%3F_Life_Cycle_Assessment_of_Foam-Based_Flexible_Floatovoltaics with UploadWizard |
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