[RE-wrenches] warranty exclusions

[Bill Hennessy]

So what is the name of the module manufacturer with the exclusion warrany regarding shade and re-roofing?
 Bill Hennessy
 
     From: Solar <dahlsolar at gmail.com>
 To: RE-wrenches <re-wrenches at lists.re-wrenches.org> 
 Sent: Sunday, October 26, 2014 3:13 PM
 Subject: Re: [RE-wrenches] warranty exclusions
   
Rebecca,
Thinking about the shading exclusion of the warranty and reading it for myself I would say that this module should never be installed where it may be shaded at all. Your point about "what is excessive?" is well put. If this company gets to decide what excessive is I would stay away. That is my plan.
Jesse 

Sent from my iPhone


On Oct 25, 2014, at 2:24 PM, Rebecca Lundberg <rebecca.lundberg at powerfullygreen.com> wrote:


Recent​ experiences with​ field failures as well as new manufacturers (with no​ prior​ experience) coming to town because of a local incentive have made me look more closely at the manufacturer's printed warranties. I am curious what you think of these two warranty exclusions --

​(​Excerpt from ​a module manufacturer's ​warranty quoted here:​)​

"  The Limited Warranties do not apply to any of the following:

- Damage caused by nonuniform sunlight on the PV modules produced by artificially concentrating sunlight or excessive shading of the PV modules.

- Product which has been moved from its original place of installation (including but not limited to any installation, application, repair, servicing, or temporary removal) by any party not authorized in writing by  ...  "  (manufacturer's name removed)

​(​End of quote.​)​

In the first item above I ​understand the part about concentrating sunlight, but the product is not warrantied if the manufacturer deems the site unsuitable because of shading? Of course we try to put modules in full sun, but what is excessive? Shading from a dormer? A higher roof shading a lower roof part of the day? Uneven snowshed? (This would also stress bipass diodes, but is of course out of our control)

The second item would imply that removing and reinstalling the array for a re-roof would void warranty unless we got an authorization in writing from the manufacturer? Not that the manufacturer would necessarily know, but still. Do these seem odd to you? 

Keep Shining!
Rebecca Lundberg
Powerfully Green


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