How often should you clean your solar panels?

Frequency depends on climate and dust. Get simple schedules and safety tips.

Quick take

2–4× per year in mild climates; monthly in dusty/pollen-heavy areas.

How to use the calculator

  1. Open the calculator linked below.
  2. Enter the numbers that match your setup.
  3. Use our rules of thumb to sanity-check the result.

Rules of thumb

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