Panels not achieving maximum efficiency
Hi, I have nine panels capable of producing a max 3.6kwh which I have seen it do earlier in the year. Recently with this glorious weather our panels don't seem to achieve much more than 3kwh and I wondered if there would be a reason for this as not sure how much more the sun and sky can be in a perfect position at peak time and not produce the maximum output. I wondered it was to do with heat or something where the system limits it? Thanks in advance.
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There is a lot of factors that affect the resulting temperature, ambient temperature, airflow around the panel, how dirty the panels are, roof surface.
Thermal cameras do not work on solar panels, solar panels have very low emissivity therefore it is impossible to get accurate measurement on them.