[RE-wrenches] Enphase failures
Andrew Truitt
atruitt at gmail.com
Mon Jul 16 09:38:53 PDT 2012
One of the big issues I used to have installing Enphase was with establishing and maintaining (after power outages and various customer Internet issues) the data connection for all inverters. Are they still using data-over-powerline communications? Are these types of connection issues still out there?
- Andrew
Sent from my iPhone
On Jul 15, 2012, at 10:01 AM, penobscotsolar at midmaine.com wrote:
> 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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