Deteriorated?

in #hive-1679228 months ago

Hello!

There are many photovoltaic panel reviews suggesting there is significant deterioration over time, bigger than what the manufacturers admit.

How does the warranty cover for that? My guess, it does not.

Spring has nt come yet and the sun is lower but see what is the maximum output on a fully sunny day, about three kWh compared to the peak five kWh value.

That is about 60%

I'll have to wait for June before i call the company that installed the solar farm.

Any thoughts?

Do you think that's a good investment?

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May not be the best investment but it is good for Mother Nature, right? ;)
Keep it up, bro!
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usually the observed deterioration (called degregation) is much less than the expected or guaranteed degregation. Manufacturers usually guarantee for at least 80% after 20 years. Of course the panel needs to be directed in the right ankle to the sun and the panel needs to be free of dust and shadow. Especially shadow over the panel - even if it is a small one - can be very bad for efficiency. On the other hand you have to observe in summer time at full sunlight.
Depending on where on this globe you have built your PV plant, 3 kw out of a max of 5 kw is actually pretty good for this time of the year...
If it is not getting better in full sunlight there might be a problem with the panel and the panel manufactuerers guarantee for the output as described above...
but very good that you log the data, so you can observe on your own and you got proof.

Thanks so much for your input, it seems u are absolutely correct. I was monitoring the production during the days with sun

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