[RE-wrenches] Enphase failures

[penobscotsolar at midmaine.com]

We have well over 100 M-215's installed with 0 failures so far over the
last year.

Daryl



> 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
>>>
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