Savings calculator
Commercial solar panel cleaning savings calculator
Enter your array details and power price, then tap when the panels were last cleaned, how dirty they look and what your site deals with, and see what soiling is costing you each year.
Your array
When was it last cleaned?
How much soiling is on the glass?
What else affects your site?
Estimated soiling loss
15.6%
The share of the array's annual generation currently lost to soiling. 5.6 points above the 4–10% range typical for NZ commercial arrays.
Your savings estimate
Fill in your array and soiling details, then press Calculate to see what a clean could recover each year.