[RE-wrenches] Defective modules

Carl Emerson Carl at solarking.net.nz
Sun Jun 2 15:16:07 PDT 2013


Jay,

 

Are they doing a 'real world' test for each module over say 12 monts????

 

Carl Emerson

 

Hi Carl

 

Would like to see real data. 

 

Photon publishes their module data, and thin film are no where near the top
of the list. 

 

Nexpower. #14

First solar. #131

Total of 151 modules in the test. 

 

Jay

 

Peltz power


Sent from my iPad


On Jun 1, 2013, at 6:20 PM, "Carl Emerson" <Carl at solarking.net.nz> wrote:

Hi there,

 

Thin film is still getting bad press after early production suffered
degradation issues way back in the 90's.

 

There is plenty of evidence that thin film produces at least 10% more energy
because it performs better at temperature and responds better to global
irradiance.

 

Some brands may be problematic today but this is equally true of crystalline
modules.

 

Sure the efficiency is down and more area is needed for the same rated power
but some brands are delivering 20% more energy in some climates.

 

As for degradation, I have seen crystalline BP's with every panel turning
brown and clapping out after just 12 years in the pacific Islands.

 

So let's be Brand specific and not lump all thin film together and tar it
with the same brush, based on early failures 30 years ago. 

 

Current issues backed up with hard data would be very useful.

 

Regards
Carl Emerson

 

 

 

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