Wrenches,
With the Iceland volcano in the news and winter over, I thought it would be
a good time ask wrenches convince their customers that their reduced solar
production was caused by atmospheric conditions and not their PV system. I'm
not talking about short-term conditions like a few cloud
Pat,
Kicked your butts as far as lower output? If so, by how much on a
percentage basis?
On the Big Island of Hawaii, we've had a very active volcano doing its thing
since 1983. With the normal trade winds, the vog (volcanic smoke + fog)
gets blown south past the volcano, around the south
Joel:
I have noticed that the energy predicted by the CSI calculator is
consistently lower than the first year output of our systems, usually by at
least
10% to 20%. This is also true of the PVWatts version we use.
At first we thought that we had done such a great job! But I believe that
Marco:
Our production schedule has been in tatters - lowered by perhaps 30%
because of the rain can't plan, can't do. Then I pay overtime on good
days
to (try to) catch up.
We have a number of systems online and I had not thought to actually
review and compare from this year to last.
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