How much does it cost to clean your solar panels? Solar Panel Cleaning Cost
Homeowners spend an average of $150 to have their solar panels cleaned. Depending on factors such as roof slant, home height and system size, companies charge between $3 and $10 per panel. Some charge a flat rate within a range of $150 to $350.
Is solar panel cleaning worth it? On average, panels lost a little less than 0.05 percent of their overall efficiency per day. “Most homeowners won’t get their money back for hiring someone to wash their rooftop panels,” said Jan Kleissl, the principal investigator on the study and a professor of mechanical and aerospace engineering at UC San Diego.
How often should my solar panels be cleaned? How Often Should You Clean Solar Panels? It is generally recommended to clean solar panels every 6 months to a year in order to maintain the productivity, efficiency, and effectiveness of the panels. However, based on where you live and the level of dirt and pollution, the need for cleaning may be more frequent.
How long does it take to clean a solar panel? Thumbtack quoted over a million professional solar cleanings in 2020 and found that the national average cost is $130. * Many professionals charge by the panel or hour. The average 32-panel system typically takes up to 2 hours for professional cleaning.