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PV Cleaning
Factors that Affect Energy Output

As time goes by, the photovoltaic systems may undergo significant reductions in their efficiency.

More particularly, these losses range from 5% to 10% and occur due to several reasons such as inverters, cables e.t.c.

If, to this percentage, we add the losses that appear due to:

• Weather conditions (rain, snow, dew, hail)
• Bird droppings
• Pollution
• Dust - dirt

• Salt (when solar parks are installed in regions close to the coast)

then, the total percentage may come up to 20%.

As a result, in order to avoid the losses incurred and maximize the yield of the solar panels, it's of crucial importance to clean their surface at least 3 times per year.

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