I made a decision to go w Enphase when Solar Edge was a viable competitor.  I did not like some aspects of Solar Edge, and I am glad I went with Enphase. I only install on this small island, 22 systems starting with M250's. Average project is 16 modules.  I have had only one microinverter failure, and it emailed me to let me know and then ordered the replacement.  The experiences do seem installer specific. Chris

On 2/19/2025 9:29 PM, Jason Szumlanski via RE-wrenches wrote:
It's really interesting how different our experiences and perspectives are on these issues. I know a close colleague who still loves SolarEdge. We're still friends. :)

I have also heard the XX%+ failure rate on M-Series experience before, which I find strange. I'm not suggesting it's not true, but it's far from my experience. The M190 clearly had issues, but the M215 and M250 were leaps and bounds better, and we had nowhere near that kind of failure rate experience. And I'm in arguably one of the most grueling environments in terms of heat and corrosive (coastal) environments, which is one of the fears people have always had against microinverters. Maybe the M-Series was more susceptible to cold weather issues (freeze/thaw issues).

My home's M215 system is visibly beat up. Having been through 4 major hurricanes in its lifespan and having been removed and reinstalled once and used and abused for numerous training exercises, I really would have expected it to be a headache. But with only one microinveter failure in a decade, I am very happy. One system is obviously not statistically significant, but it goes to show that people have had widely different experiences with early generation microinverters.

I regrettably installed a Soladeck AC aggregator on the roof with fuses and a combined feeder back to the interconnection point, but shockingly I have only replaced one fuse when it popped years ago. Other than that, smooth sailing with my M215 micros. I leave the one failed unit as it is to show clients what to expect in the monitoring system if a microinverter fails.

Jason




On Wed, Feb 19, 2025, 8:59 PM Kirk Herander via RE-wrenches <[email protected]> wrote:

    I will never promote, support, or use Enphase products again. My
    personal decision is a result of a 50% plus failure rate of the M
    series, as an early adopter. Now I am admittedly biased,
    regardless of their reputation now.

    Enphase tried to make it right, and I'm still replacing the
    replacements of the replacements 12 years later, sans-labor
    reimbursement. Yes, the latest micros w/adapters are still free
    under warranty.
    .
    We all know that through the years, every OEM has not lived up to
    expectations at times, be it products or support.

    For me, tolerance of some OEMs is different than others,
    depending on the particular problem and duration of it,
    individual OEM history, and customer reaction,etc.

    What are we, as individual installers, willing to put up with
    before we pull the plug on a manufacturer? It's an individual
    decision. History and relationships are right up there to support
    stay on board, or go.

    In the case of inverter RMAs, Vermont takes them for free at
    recycling centers, treating them as old electronics
    (ie. obsolete PC's). So we as a group don't have a dog in every
    policy fight that others may.

    Some OEM products & service policies are more of a thorn than
    others. Obviously, No one will ever come out with, or evolve into,
    perfect product or policy to make us all happy all the time.

    just my 2 cents worth

    On Wed, Feb 19, 2025 at 7:39 PM Matt Partymiller via RE-wrenches
    <[email protected]> wrote:

        I'm not going to defend Solaredge here, there are clearly
        better ways they could handle account transfers but the
        rah-rah Enphase conclusion is maddening.

        It wasn't that long ago Enphase did something far worse when
        they dropped their labor warranty and then told basically
        every m-series customer to pay them distribution prices for
        new Micros that would function for more than two months or
        risk spending thousands a year on labor replacing their early
        junk. Basically Enphase invalidated all their original 25 year
        warranties and then sold new product with their full margin to
        effectively captive customers. Meanwhile, as the installer, we
        were stuck fielding the angry customer phone calls wanting to
        understand how we misled them into Enphase. I guess Enphase
        managed to stay in business though....

        Matt

        Sent via the Samsung Galaxy S22 Ultra 5G, an AT&T 5G smartphone
        Get Outlook for Android <https://aka.ms/AAb9ysg>
        ------------------------------------------------------------------------
        *From:* RE-wrenches
        <[email protected]> on behalf of Jason
        Szumlanski via RE-wrenches <[email protected]>
        *Sent:* Wednesday, February 19, 2025 6:20:01 PM
        *To:* RE-wrenches <[email protected]>
        *Cc:* Jason Szumlanski <[email protected]>
        *Subject:* Re: [RE-wrenches] SolarEdge Has Gone Too Far

                
        Caution: This email originated from outside SES. Do not click
        links or open attachments unless you recognize the sender and
        know the content is safe.


        I just wrote a scathing blog post, notified my staff not to
        take on new SolarEdge service clients, and blasted out
        messages and DMs on social media about this despicable new
        move by SolarEdge. Imagine being one of the many system owners
        impacted by solar contractors going out of business, only to
        find out that the manufacturer of your equipment wants to
        charge you to have a new willing contractor authorized to
        monitor and service your system.

        By contrast, Enphase owners can have as many contractors
        monitor their systems as they want, and they can initiate it
        themselves and for free, 24 hours a day without delay.

        Jason Szumlanski
        Principal Solar Designer | Florida Solar Design Group
        NABCEP Certified Solar Professional (PVIP)
        Florida State Certified Solar Contractor CVC56956
        Florida Certified Electrical Contractor EC13013208


        On Wed, Feb 19, 2025 at 4:22 PM Jason Szumlanski
        <[email protected]> wrote:

            When I fill out the online form to transfer an existing
            SolarEdge system to my company for monitoring, the site
            now takes me to a payment form demanding $99 to transfer
            the site monitoring.

            I have been told that as of 2/17/2025, SolarEdge has a new
            policy, and now changes for transferring a site to a new
            installer.

            WOW. Nobody wants to touch their hardware around here, and
            I must be the last one because SolarEdge tech support is
            literally giving customers my name when they can't find help.

            SolarEdge is done. Dead to me. They can find someone else
            to cover their warranty obligations.

            Jason Szumlanski
            Florida Solar Desing Group




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