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Abstract
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This study undertook a comprehensive literature review on dust mitigation and cleaning techniques for photovoltaic systems. It began with a systematic andbibliometric analysis of existing literature, followed by an in-depth and critical evaluation of the current state of the art through meticulous comparison andclassification. The reviewed literature was categorized into preventive measures, dust monitoring systems, active cleaning methods, and multi-criteria decision-making strategies for cleaning schedules. Preventive measures focus on passive strategies to reduce dust accumulation or enhance removal through natural oractive cleaning. However, natural phenomena like wind, rain, and dew can sometimes exacerbate dust accumulation or cause staining and cementation on PVpanels. Effective cleaning thresholds for wind speed, rain intensity, and humidity levels have been established based on dust composition and particle size.Furthermore, by reviewing all the prominent related documents over the past four decades, various dust monitoring techniques and active cleaning methods includingmanual, mechanical, electromechanical, and electrostatic were explored. Each method’s advantages and limitations were fully investigated. Integrating thesemethods with monitoring systems and dynamic decision-making models is crucial for optimizing overall system efficiency and effectively mitigating soiling. Thiscomprehensive review serves as a reference for future research on preventive cleaning, PV system monitoring, active cleaning methods, and decision-makingstrategies. Addressing the identified challenges will enhance the deployment and efficiency of PV systems, contributing to more sustainable energy solutions
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