Solar panel cleaning cost: DIY vs pro
Compare the costs of DIY kits vs hiring a professional and when each makes sense.
Quick take
DIY costs less but takes time and safety gear; pros bring DI water and reach equipment.
How to use the calculator
- Open the calculator linked below.
- Enter the numbers that match your setup.
- Use our rules of thumb to sanity-check the result.
Rules of thumb
- Start with daily kWh ÷ peak sun hours.
- Apply a 15–25% derate for losses.
- Round up to the next standard panel size.