panel comparison [RE-wrenches]

Jay Peltz, Peltz Power jay at asis.com
Sat Jun 15 07:09:49 PDT 2002


I just visited the North Coast Co-op where I helped install 2 arrays  1 using
unisolar 64's and the other with Siemens 130's.  Around 1.2 kw per inverter

Just wanted all to know that the Siemens are outperforming the unisolar by
around 5%.  And interestly this 5% seems to be consistent on sunny or
cloudy/foggy days.

System has been installed for a few months now.

Both systems are south facing, same roof ( side of building actually), no
shading.

Both use SMA 2500U's.

Thanks,

jay

peltz power

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