I've done a few SE systems lately and I do like it over the micros. Especially with our extremely cold winters. The clipping was getting ridiculous. I have a few Tigo systems in as well and like those too. Jesse Dahl
NABCEP PV Installation Professional IBEW Local 292 - Electrician Electrical/Solar PV Instructor - HCC Sent from my iPhone > On Aug 6, 2016, at 7:14 AM, Howard Arey <scot.a...@solarcentex.com> wrote: > > Aw, one more Enphase / SolarEdge response. > > The "high voltage" DC is 350-380 volts and with the rapid shutdown capability > now shipping standard with SE inverters, they go to 1 volt per optimizer when > the AC grid is not present. By the way, that 1 volt per optimizer is a great > way during installation to confirm proper connections - string of 10 means an > installer should see 10 volts. > > No bottle neck issue. The optimizer in essence is doing the MPPT function at > each module. So if shading, the Opt "finds" best voltage to maximize power > output. No string degradation. Mixing modules is not a factor whatsoever. > > Best part is that since I only MPPT on roof and don't invert, I have a string > inverter on the side of the house that only does one function - invert! Why > try to invert DC to AC on a HOT roof when I could do it with a much higher > efficiency box that is more robust on the side of the house or in a garage? > > I've gone away from microinverters entirely - too many nuisance faults. And > each nuisance fault is a phone call to customer support that is handling more > than they can handle by a ratio of...number of MLPE to string inverters > essentially. > > Scot > Solar CenTex > > -----Original Message----- > From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On > Behalf Of William Dorsett > Sent: Friday, August 5, 2016 1:46 PM > To: 'RE-wrenches' <re-wrenches@lists.re-wrenches.org> > Subject: Re: [RE-wrenches] Enphase Support Non-Responsive > > Still you pay as much for the Solar Edge optimizers as for Enphase inverters > plus you have the cost of the central inverter. At some point you are still > dealing with high voltage DC, so safety is far better with off the roof 240V > AC; you still have the bottleneck if one module is shaded or corroded; and > you still have the difficulty of replacing a legacy module to build a > compatible string. Again I am not unhappy about Enphase hardware. I just > think they've grown too fast to keep their support as well organized as the > rest of the company. > > Bill Dorsett > Manhattan, KS > > -----Original Message----- > From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On > Behalf Of penobscotso...@midmaine.com > Sent: Friday, August 05, 2016 12:54 PM > To: RE-wrenches > Subject: Re: [RE-wrenches] Enphase Support Non-Responsive > > It is a very simple install. With SolarEdge there is no trunk cable, which > definitely cuts down on wire management, especially using SnapNRack mounting. > Everything is MC4, so PV wire to a transition box, to the inverter input(s) > make it pretty simple. We almost always mount our inverters outside, even > when they are string inverters, and typically on the north side of the > home/business. My guys didn't like the changeover on the first SolarEdge job, > but it only took one to bring them around and they are now converts. > > Daryl > > >> Do you find that the installation takes longer because you're >> basically installing a micro inverter and string inverter system at the same >> time? >> I've also heard of AHJ's requiring that the inverter be mounted >> outside because of the rapid shutdown disconnect attached to the inverter. >> >> Thanks, >> Will >> >> >> -- >> *Will White* >> Curriculum Developer >> >> e: w...@solarenergy.org >> w: www.solarenergy.org >> p: 802-272-3092 >> >> PV Installation Professional >> # 093006-34 >> >>> On Fri, Aug 5, 2016 at 1:41 PM, <penobscotso...@midmaine.com> wrote: >>> >>> Since I am having such a tough time even getting a call back, never >>> mind reimbursments, we have started very happily using SolarEdge with >>> very good results so far. Communications, no problem, occasional tech >>> support is timely, we are seeing less than a 1% failure on >>> optimizers. Ease and safety of installation is excellent as >>> well....and no, I don't work for them :-) >>> >>> Daryl >>> >>> >>> >>>> Wrenches >>>> We have allot of enphase and ya sometimes it a little hard to get >>>> them >>> on >>>> the line but we always do. I request the re-inbursments, l dont >>>> ever >>> see >>>> them as they end up in the admin office. We have looked at and used >>>> a >>> few >>>> other mico-inverters at customer request but they all seem to go >>>> out >>> of >>>> business so we are sticking to enphase for better or worse. >>>> Jerry >>>> >>>> >>>> Sent via the Samsung Galaxy S™ III, an AT&T 4G LTE smartphone >>>> >>>> <div>-------- Original message --------</div><div>From: Wayne Irwin >>>> <wa...@pureenergysolar.com> </div><div>Date:08/05/2016 6:58 AM >>>> (GMT-10:00) </div><div>To: re-wrenches@lists.re-wrenches.org >>>> </div><div>Subject: Re: [RE-wrenches] Enphase Support >>>> Non-Responsive </div><div> </div>Maybe just dumb luck, but we >>>> almost always have quick phone tech support from Enphase and always >>>> get reimbursed. >>>> >>>> Wayne Irwin >>>> Pure Energy Solar >>>> >>>> Sent from my mobile device >>>> >>>> From: conr...@cape.com >>>> Date: Fri, 5 Aug 2016 12:39:02 -0400 >>>> To: re-wrenches@lists.re-wrenches.org >>>> Subject: Re: [RE-wrenches] Enphase Support Non-Responsive >>>> >>>> Same thing going on here >>>> >>>> Conrad >>>> Cotuit Solar >>>> >>>> >>>> Conrad Geyser, Principal >>>> Cotuit Solar LLC >>>> 508-428-8442 >>>> >>>>> On Fri, Aug 5, 2016 at 9:59 AM, gary easton <g...@arp-solar.com> >>>> wrote: >>>> just a worthless ticket but no action and certainly no timely >>>> reimbursement if at all. I would never do business with this company >>>> again. >>>> >>>> On Fri, Aug 5, 2016 at 9:38 AM, <penobscotso...@midmaine.com> wrote: >>>> Just to renew this line of conversation, I have been waiting for >>> several >>>> call backs form Enphase, with no results, for the past three weeks. >>>> I >>> also >>>> have warranty claims that go back four months+ that have not been >>>> fulfilled. I will not sell any more Enphase, at all, until they >>> resolve >>>> these communication and warranty issues. >>>> >>>> Daryl DeJoy >>>> NABCEP Certified PV Installer >>>> Penobscot Solar Design >>>> >>>> >>>> >>>> >>>>> It seems like we are talking about inverter and module customer >>> service >>>>> (good and bad) a lot lately. >>>>> >>>>> Has anyone else noticed that Enphase seems to have stopped >>>>> responding >>> to >>>>> tickets submitted via their website? Hold times are unacceptable, >>>>> so >>> I >>>>> gave >>>>> up on that, but nobody gets back to you when you try to contact >>>>> them >>> via >>>>> their web form for weeks, even about an existing RMA or ticket, >>>>> and >>> they >>>>> no >>>>> longer let you update tickets by email. They are very helpful and >>>>> competent if you get them on the phone, but who has time for >>>>> that?! >>>>> >>>>> I'm also waiting an unacceptable amount of time on a major module >>>>> manufacturer warranty claim right now. I'd love to see Home Power >>>>> or someone do a story on manufacturer responsiveness to dealers. >>>>> Things >>> are >>>>> generally going down hill it seems. >>>>> >>>>> Jason Szumlanski >>>>> Florida Solar Design Group >>>>> _______________________________________________ >>>>> List sponsored by Redwood Alliance >>>>> >>>>> List Address: RE-wrenches@lists.re-wrenches.org >>>>> >>>>> Change listserver email address & settings: >>>>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.o >>>>> rg >>>>> >>>>> List-Archive: >>>>> http://www.mail-archive.com/re-wrenches@lists.re-wrenches. >>> org/maillist.html >>>>> >>>>> List rules & etiquette: >>>>> www.re-wrenches.org/etiquette.htm >>>>> >>>>> Check out or update participant bios: >>>>> www.members.re-wrenches.org >>>> >>>> >>>> _______________________________________________ >>>> List sponsored by Redwood Alliance >>>> >>>> List Address: RE-wrenches@lists.re-wrenches.org >>>> >>>> Change listserver email address & settings: >>>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.or >>>> g >>>> >>>> List-Archive: >>>> http://www.mail-archive.com/re-wrenches@lists.re-wrenches. >>> org/maillist.html >>>> >>>> List rules & etiquette: >>>> www.re-wrenches.org/etiquette.htm >>>> >>>> Check out or update participant bios: >>>> www.members.re-wrenches.org >>>> >>>> >>>> >>>> >>>> -- >>>> Gary Easton >>>> Appalachian Renewable Power >>>> Stewart, Ohio 45778 >>>> NABCEP Certified Solar PV >>>> T: 740-277-8498 >>>> www.arp-solar.com >>>> >>>> “First they ignore you. Then they laugh at you. Then they >>>> fight >>> you. >>>> Then you win.†>>>> >>>> ~Ghandi >>>> >>>> >>>> _______________________________________________ >>>> List sponsored by Redwood Alliance >>>> >>>> List Address: RE-wrenches@lists.re-wrenches.org >>>> >>>> Change listserver email address & settings: >>>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.or >>>> g >>>> >>>> List-Archive: >>>> http://www.mail-archive.com/re-wrenches@lists.re-wrenches. >>> org/maillist.html >>>> >>>> List rules & etiquette: >>>> www.re-wrenches.org/etiquette.htm >>>> >>>> Check out or update participant bios: >>>> www.members.re-wrenches.org >>>> >>>> >>>> >>>> >>>> _______________________________________________ List sponsored by >>> Redwood >>>> Alliance List Address: RE-wrenches@lists.re-wrenches.org Change >>> listserver >>>> email address & settings: >>>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.or >>>> g >>>> List-Archive: >>>> http://www.mail-archive.com/re-wrenches@lists.re-wrenches. >>> org/maillist.html >>>> List rules & etiquette: www.re-wrenches.org/etiquette.htm Check >>>> out >>> or >>>> update participant bios: >>>> www.members.re-wrenches.org_________________________________ >>> ______________ >>>> List sponsored by Redwood Alliance >>>> >>>> List Address: RE-wrenches@lists.re-wrenches.org >>>> >>>> Change listserver email address & settings: >>>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.or >>>> g >>>> >>>> List-Archive: >>>> http://www.mail-archive.com/re-wrenches@lists.re-wrenches. >>> org/maillist.html >>>> >>>> List rules & etiquette: >>>> www.re-wrenches.org/etiquette.htm >>>> >>>> Check out or update participant bios: >>>> www.members.re-wrenches.org >>> >>> >>> _______________________________________________ >>> List sponsored by Redwood Alliance >>> >>> List Address: RE-wrenches@lists.re-wrenches.org >>> >>> Change listserver email address & settings: >>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >>> >>> List-Archive: http://www.mail-archive.com/re-wrenches@lists.re-wrenches. >>> org/maillist.html >>> >>> List rules & etiquette: >>> www.re-wrenches.org/etiquette.htm >>> >>> Check out or update participant bios: >>> www.members.re-wrenches.org >> >> >> -- >> *Will White* >> Curriculum Developer >> >> e: w...@solarenergy.org >> w: www.solarenergy.org >> p: 802-272-3092 >> >> PV Installation Professional >> # 093006-34 >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> List Address: RE-wrenches@lists.re-wrenches.org >> >> Change listserver email address & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> List-Archive: >> http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist >> .html >> >> List rules & etiquette: >> www.re-wrenches.org/etiquette.htm >> >> Check out or update participant bios: >> www.members.re-wrenches.org > > > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org > > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org > > > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org > _______________________________________________ List sponsored by Redwood Alliance List Address: RE-wrenches@lists.re-wrenches.org Change listserver email address & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out or update participant bios: www.members.re-wrenches.org
