panel comparison [RE-wrenches]

Bill Brooks billb at endecon.com
Sat Jun 15 07:55:08 PDT 2002


Jay,

How long had the Unisolar modules been light soaked? Their is a significant
"attenuation" in the first 90 days of sunlight.

Bill.


-----Original Message-----
From: Jay Peltz, Peltz Power [mailto:jay at asis.com]
Sent: Saturday, June 15, 2002 7:10 AM
To: RE-wrenches at topica.com
Subject: panel comparison [RE-wrenches]



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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