My system is 40 Suniva 265 w panels with Enphase M215 inverters. The system has been operational since July 2013.
I first cleaned the panels in Oct 2014 and could not detect and increase in production.
I just cleaned them again in October of this year with again no significant increase in production- maybe 2%, but certainly not more. They were REALLY dirty this time as we had multiple wildland fires in the area over this summer with lots of ash. I used a pressure washer and a soft brush that is meant for cleaning RV
The system is producing 110% of the estimated production (according to Enlighten) and has produced a peak output over 8.6 KW earlier this year before the panels were cleaned.
Is it because I am overdriving the inverters with the panel size, per a white paper on the Enphase site?
I first cleaned the panels in Oct 2014 and could not detect and increase in production.
I just cleaned them again in October of this year with again no significant increase in production- maybe 2%, but certainly not more. They were REALLY dirty this time as we had multiple wildland fires in the area over this summer with lots of ash. I used a pressure washer and a soft brush that is meant for cleaning RV
The system is producing 110% of the estimated production (according to Enlighten) and has produced a peak output over 8.6 KW earlier this year before the panels were cleaned.
Is it because I am overdriving the inverters with the panel size, per a white paper on the Enphase site?
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