Spray the panels with a hose to remove loose dirt and debris. Turn off the solar. . Dust, dirt, pollen, bird droppings, and other debris can reduce energy output by 15–25%, according to the National Renewable Energy Laboratory. We understand that many homeowners are concerned about rising energy bills, and regular cleaning is crucial to prevent. . Sunlight is the lifeblood of your solar panels, powering your home and reducing your reliance on the grid.
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