Guides ยท Engineering
Solar Panel Cleaning Basics
Keep rooftop panels efficient
This guide covers when and how to clean solar panels, safety precautions, tools to use, and what to avoid to protect panel glass and wiring.
- solar panels
- cleaning
- maintenance
- pv
- efficiency
Check safety first
Power down as needed, avoid wet roofs, and use fall protection or hire pros for steep pitches.
Pick gentle tools
Use soft brushes and deionized water; avoid abrasive pads and harsh chemicals.
Clean in cool hours
Wash early morning or late afternoon to reduce thermal stress and streaking.
Inspect while cleaning
Look for cracks, loose wiring, or shading issues and schedule repairs if found.