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OliverTwistedM

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Posts: 2
Reply with quote  #1 
Hello all, i have recently cought the solar bug, and i am hooked. I have 3 roofs on my property to place arays of pv panels. ULTIMATLY my goal is to build my own panels but to get started Im going to purchace a 5 kw system. I have found a site to buy panels for around $. 40 a watt. These panels are3 to 4 years old, grade b or c. The come with 20 year warranty.. Courious if any one has experence with buying panels this way? Thanks in advance

Thor

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Posts: 52
Reply with quote  #2 
Since I typically buy new panels at .50-.65 a watt, I would hesitate with 3-4 yearold ones, especially the c grade... whats the address of the site? I'll see what they have going on.
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My little boy calls me Thor! [biggrin]
Minnesota!
gbwillson

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I know panels have low efficiency to start, but how much and how fast do they deteriorate? Do they lose efficiency due to age or use? Do cheaper panels deteriorate faster than higher quality ones?

Greg in MN
OliverTwistedM

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http://sunelec.com/
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