Is cleaning your solar system really worth it? We think so. Our ag clients know that blowing dirt from tilling and harvesting can decrease panel productivity up to 20% or more. Notice a slight decrease in performance when monitoring your system? It's likely related to dirty panels.
How to Properly Clean Your Panels
If you’re in a dusty ag environment, please make sure and take standard preventative maintenance steps. We recommend washing panels three to four times a year under normal conditions and even more frequently during dusty drought conditions, particularly before the summer’s high utility peak rates. Only use water — no soap, no chemicals — and a brush and squeegee. Remember to squeegee in order to prevent hard-water calcium deposit buildup per the panel vendor's recommended procedures.
An example of dirty panels halting productivity by 20% - Get them cleaned before it costs you!
List of Local Cleaning Companies
We recommend a "panel" of cleaning services to our clients, depending on their location. Here are a few of the cleaning service providers we love to recommend to our solar clients:
Sparkling Solar
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San Joaquin to Merced County
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209-604-1834
Mr. Squeegee
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San Joaquin to Fresno County
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209-551-5756
Clifford Mobile Solar Panel Cleaning
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Kern County
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Cell: 925-408-7148
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Office: 661-281-0696
Dutch Boy Solar Shine
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San Joaquin to Stanislaus County
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209-505-2705
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209-599-9788
“We’ve seen that dirty panels in the summer can drop production by 20% while electric rates are at their peak value – if your panels are dirty, you’re not saving as much money as you should be.”
- Amanda Johnson, Manager of Client Relations & Utility Interconnection
Crettol Farms getting their scheduled cleaning (Photo courtesy of Clifford Mobile Solar Panel Cleaning).