[RE-wrenches] Enphase failures

matt at solar-energy-solutions.com matt at solar-energy-solutions.com
Sun Jul 15 08:32:26 PDT 2012


We installed 11 190s on our shop some two years ago.  Six of 11 have been
replaced since that time.  Another one had to be reset by Enphase. 
Admittedly early generation product but based on the record I have not
been offering to customers.

Matt


Matthew Partymiller
Solar Energy Solutions LLC
(859) 312-7456
matt at solar-energy-solutions.com


> 350+ installed, 5 replacements over a 2 year period (.02%). 1-190, 4-215,
> 0-210 (we use Sanyo on many residential systems)
>
> accessibility built in to design is also a plus - not always possible, but
> should be a factor when doing layouts.
>
> Holt E. Kelly
> Holtek Fireplace & Solar Products
> 500 Jewell Dr.
> Waco TX. 76712
> 254-751-9111
> www.holteksolar.com
>
> ----- Original Message -----
> From: "William Miller" <william at millersolar.com>
> To: "RE-wrenches" <re-wrenches at lists.re-wrenches.org>
> Sent: Saturday, July 14, 2012 12:49 AM
> Subject: Re: [RE-wrenches] Enphase failures
>
>
>> Troy:
>>
>> Of the 100 or so Enphase inverters we have seen 2 fail.  I have my
>> fingers
>> crossed.
>>
>> Wm
>>
>> PS:
>>
>> Xantrex GT:  About 15% failure
>> SMA SB:  About 15% failure
>> Fronius:  300% failure rate
>>
>> wm
>>
>>
>> At 01:02 PM 7/5/2012, Troy Harvey wrote:
>>>I'm wondering how many of you have had Enphase failures in the field.
>>>Basically every one of our sites with M175 or M190 has seen failures.
>>> Most
>>>of those are one their second wave of replacements. It appears these
>>> have
>>>a linear failure rate in the field, and we have to replace 2 to 3
>>>inverters at every site, every year.
>>>
>>>At this point we have stopped using Enphase products because the cost of
>>>replacement is too high. You have to disassemble a whole array just to
>>>replace 1 or 2 inverters. In theory it gives you per-panel diagnostics,
>>>but that is just silly considering the panels are thousands of times
>>> more
>>>durable than the inverters.
>>>
>>>What is your experience?
>>>
>>>thanks,
>>>
>>>Troy Harvey
>>
>> _______________________________________________
>> List sponsored by Home Power magazine
>>
>> List Address: RE-wrenches at lists.re-wrenches.org
>>
>> Options & settings:
>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>>
>> List-Archive:
>> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>>
>> List rules & etiquette:
>> www.re-wrenches.org/etiquette.htm
>>
>> Check out participant bios:
>> www.members.re-wrenches.org
>>
>
> _______________________________________________
> List sponsored by Home Power magazine
>
> List Address: RE-wrenches at lists.re-wrenches.org
>
> Options & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>
> List-Archive:
> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>
> List rules & etiquette:
> www.re-wrenches.org/etiquette.htm
>
> Check out participant bios:
> www.members.re-wrenches.org
>
>







More information about the RE-wrenches mailing list