Solar panels are necessary for capturing renewable energy, but extreme heat can shorten their lifespan and reduce their effectiveness. Sustainable cooling techniques have been investigated as a solution to this problem. In order to improve solar panel performance, this study compares various cooling techniques, including watermelon rind, banana leaves, wet soil, green net, coir, and jute bags. The study intends to assess how well these methods work in lowering panel temperature and raising overall effectiveness. Key performance indicators used in the controlled studies were voltage output and temperature. The outcomes of the experiment show that various cooling methods have variable effects on solar panels’ ability to regulate temperature. Due primarily to its evaporative cooling abilities, watermelon rind displayed the highest voltage output and significant temperature reduction. Watermelon rind surpassed banana leaves, wet soil, green net, coir, and jute sack in terms of voltage output and temperature reduction. The comparative analysis shows how each method works well in reducing temperature rise and enhancing solar panel efficiency. These results offer useful information to solar panel system stakeholders, assisting in the selection of appropriate sustainable cooling methods based on their effectiveness and suitability for certain environmental circumstances. Overall, by enhancing the effectiveness and dependability of solar panel systems, the experimental performance and comparison of these cooling strategies advance renewable energy technology.

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