Particularly

What to do if the photovoltaic panels are particularly dirty

Spray the panels with a hose to remove loose dirt and debris. Turn off the solar. . Clean your solar panels every 3-6 months to maintain peak efficiency—dirty panels can lose up to 25% of their energy output. Regular maintenance takes just an hour and requires minimal equipment, making it one of the most cost-effective ways to maximize your solar investment. Cleaning frequency should be determined by the local environment, 3. Use gentle cleaning methods to avoid damage, 4.