Cleaning Solar Panels Guide 2025

How to safely clean your solar panels to maximize energy production

When to Clean

  • When visible dirt or debris accumulates
  • After storms or high winds
  • If production drops noticeably
  • Seasonally (2-4 times per year typically sufficient)

How to Clean Safely

  • Use soft brush or sponge with water
  • Avoid abrasive materials
  • Clean in early morning or evening (cool panels)
  • Use gentle soap if needed (avoid harsh chemicals)
  • Rinse thoroughly with water
  • Never use pressure washers

⚠️ Safety First

Always ensure system is off before cleaning. Use proper safety equipment if accessing panels at height. See our safety guide.