Re: [RE-wrenches] PV ratings

2017-02-21 Thread Ken Schaal 
On Feb 21, 2017 4:29 PM, "Ken Schaal" <cwsol...@gmail.com> wrote:

This where i rely on my distributor , and don't buy bottom dollar.

On Feb 21, 2017 4:22 PM, "William Dorsett" <wmdors...@sbcglobal.net> wrote:

> We began buying Canadian Solar thinking that their third party insurance
> would cover when other module manufacturers were going belly up i.e.
> SunTech. We thought this meant that their factories would at least meet
> certain CS licensing requirements. But with module prices dropping to very
> low points you have to believe there is a lower expectation of quality. So
> at this point, the question might be whether the insurer (the Chubb Group)
> is willing to cover CS modules because they are especially reliable, or
> whether CS or its third party manufacturers will be tempted to lower their
> expectations because they are covered. Apparently BoViet is producing at
> least some of their product line and there must be tension between the
> branding company and the insurer. They may be good and I've seen
> advertising
> where BoViet is willing to insurer their modules for one year...not long
> for
> a 25 to 30 year product. Third party insurance may have become more common
> in the industry but at the time of our decision, it was only CS. I think it
> is especially important to keep updated on this with new low prices.
>
> Bill Dorsett
> Manhattan, KS
>
> -Original Message-
> From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On
> Behalf Of Garrison Riegel
> Sent: Tuesday, February 21, 2017 9:45 AM
> To: RE-wrenches
> Subject: Re: [RE-wrenches] PV ratings
>
> It's not exactly what you're asking for, but Silicon Valley Toxics
> Coalition
> ranks module manufacturers by social and environmental responsibility,
> which
> I appreciate.  You can find results from 2009 through 2015 on their
> website,
> and 2016 is coming soon.
>
> http://www.solarscorecard.com/2015/2015-scorecard.php
>
> I haven't seen a performance comparison in a few years.  You can find the
> Photon module yield tests up until 2014 online, but even those were limited
> to sometimes one model from a manufacturer which did not necessarily
> represent the available technology.
>
> Garrison
>
> Garrison Riegel
> PV Manager | Solar Service Inc
> [p] 847-677-0950 | garri...@solarserviceinc.com
>
> NABCEP Certified PV Installation Professional(tm)
>
>
>
> -Original Message-
> From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On
> Behalf Of Ron Young
> Sent: Sunday, February 19, 2017 2:30 AM
> To: RE-wrenches <re-wrenches@lists.re-wrenches.org>
> Subject: [RE-wrenches] PV ratings
>
> Hi Wrenches, anyone have a link to a recent study on PV ratings, solar
> panel
> performance type data? Something within the last two years? Many thanks!
>
> Ron Young
> earthRight Solar
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Re: [RE-wrenches] PV ratings

2017-02-21 Thread William Dorsett 
We began buying Canadian Solar thinking that their third party insurance
would cover when other module manufacturers were going belly up i.e.
SunTech. We thought this meant that their factories would at least meet
certain CS licensing requirements. But with module prices dropping to very
low points you have to believe there is a lower expectation of quality. So
at this point, the question might be whether the insurer (the Chubb Group)
is willing to cover CS modules because they are especially reliable, or
whether CS or its third party manufacturers will be tempted to lower their
expectations because they are covered. Apparently BoViet is producing at
least some of their product line and there must be tension between the
branding company and the insurer. They may be good and I've seen advertising
where BoViet is willing to insurer their modules for one year...not long for
a 25 to 30 year product. Third party insurance may have become more common
in the industry but at the time of our decision, it was only CS. I think it
is especially important to keep updated on this with new low prices.

Bill Dorsett
Manhattan, KS

-Original Message-
From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On
Behalf Of Garrison Riegel
Sent: Tuesday, February 21, 2017 9:45 AM
To: RE-wrenches
Subject: Re: [RE-wrenches] PV ratings

It's not exactly what you're asking for, but Silicon Valley Toxics Coalition
ranks module manufacturers by social and environmental responsibility, which
I appreciate.  You can find results from 2009 through 2015 on their website,
and 2016 is coming soon.  

http://www.solarscorecard.com/2015/2015-scorecard.php

I haven't seen a performance comparison in a few years.  You can find the
Photon module yield tests up until 2014 online, but even those were limited
to sometimes one model from a manufacturer which did not necessarily
represent the available technology.   

Garrison

Garrison Riegel
PV Manager | Solar Service Inc
[p] 847-677-0950 | garri...@solarserviceinc.com

NABCEP Certified PV Installation Professional(tm)



-Original Message-
From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On
Behalf Of Ron Young
Sent: Sunday, February 19, 2017 2:30 AM
To: RE-wrenches <re-wrenches@lists.re-wrenches.org>
Subject: [RE-wrenches] PV ratings

Hi Wrenches, anyone have a link to a recent study on PV ratings, solar panel
performance type data? Something within the last two years? Many thanks!

Ron Young
earthRight Solar
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Re: [RE-wrenches] PV ratings

2017-02-21 Thread Garrison Riegel 
It's not exactly what you're asking for, but Silicon Valley Toxics Coalition 
ranks module manufacturers by social and environmental responsibility, which I 
appreciate.  You can find results from 2009 through 2015 on their website, and 
2016 is coming soon.  

http://www.solarscorecard.com/2015/2015-scorecard.php

I haven't seen a performance comparison in a few years.  You can find the 
Photon module yield tests up until 2014 online, but even those were limited to 
sometimes one model from a manufacturer which did not necessarily represent the 
available technology.   

Garrison

Garrison Riegel
PV Manager | Solar Service Inc
[p] 847-677-0950 | garri...@solarserviceinc.com

NABCEP Certified PV Installation Professional(tm)



-Original Message-
From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf 
Of Ron Young
Sent: Sunday, February 19, 2017 2:30 AM
To: RE-wrenches 
Subject: [RE-wrenches] PV ratings

Hi Wrenches, anyone have a link to a recent study on PV ratings, solar panel 
performance type data? Something within the last two years? Many thanks!

Ron Young
earthRight Solar
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Re: [RE-wrenches] PV ratings

2017-02-20 Thread Marco Mangelsdorf 
Photon magazine used to do such a survey. But I think that they have
disappeared.

On Sunday, February 19, 2017, William Dorsett 
wrote:

> Home Power used to do one that I thought was quite useful, but don't know
> that the most recent is within the last two years.
>
> Bill Dorsett
> Manhattan, KS
>
> -Original Message-
> From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org
> ] On
> Behalf Of Ron Young
> Sent: Sunday, February 19, 2017 2:30 AM
> To: RE-wrenches
> Subject: [RE-wrenches] PV ratings
>
> Hi Wrenches, anyone have a link to a recent study on PV ratings, solar
> panel
> performance type data? Something within the last two years? Many thanks!
>
> Ron Young
> earthRight Solar
> ___
> List sponsored by Redwood Alliance
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> List Address: RE-wrenches@lists.re-wrenches.org 
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> Change listserver email address & settings:
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Re: [RE-wrenches] PV ratings

2017-02-20 Thread William Dorsett 
Home Power used to do one that I thought was quite useful, but don't know
that the most recent is within the last two years.

Bill Dorsett
Manhattan, KS

-Original Message-
From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On
Behalf Of Ron Young
Sent: Sunday, February 19, 2017 2:30 AM
To: RE-wrenches
Subject: [RE-wrenches] PV ratings

Hi Wrenches, anyone have a link to a recent study on PV ratings, solar panel
performance type data? Something within the last two years? Many thanks!

Ron Young
earthRight Solar
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