Should you clean your solar panels? Before/After Testing!

Does cleaning your solar panels help? How about just hosing them down? Do they need a good scrub? Youtuber “Paul’s Hardware” did his best to answer these questions in this much-requested video — testing my panels before and after cleaning them.

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  1. It would be very interesting to see a proper evaluation done on this.

    I suggest that the results shown in this video are not valid because solar radiation and PV cell temperature were not measured in this test. In order to properly evaluate this question, the amount of solar radiation needs to be measured before and after the cleaning, plus also the PV cell temperature.

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