HI David, My point exactly.
> On Jan 27, 2025, at 1:35 PM, david quattro via RE-wrenches > <[email protected]> wrote: > > Jay you are right - that doesn’t make sense because with more PV, the system > will reach “max AC out“ power sooner every morning and hold it longer into > the evening > > > > > On Mon, Jan 27, 2025 at 12:20 PM George McClellan via RE-wrenches > <[email protected] > <mailto:[email protected]>> wrote: >> Probably due to clipping. The panels are generating more energy than the >> power electronics can process, so that excess energy gets cut off (or >> clipped). It looks like a 1.2 ratio is optimal. >> >> George McClellan | Senior Manager, Technical Sales | REC Americas LLC >> 735 Tank Farm Rd Ste 130 | San Luis Obispo, CA |93401 >> <https://www.google.com/maps/search/735+Tank+Farm+Rd+Ste+130+%7C+San+Luis+Obispo,+CA+%7C93401?entry=gmail&source=g> >> Cell phone +1 805 704 3226 | Fax +1 805 357 6104 >> www.recgroup.com <http://www.recgroup.com/> | [email protected] >> <mailto:[email protected]> >> >> >> >> >> -----Original Message----- >> From: RE-wrenches <[email protected] >> <mailto:[email protected]>> On Behalf Of jay via >> RE-wrenches >> Sent: Monday, January 27, 2025 11:56 AM >> To: RE-wrenches <[email protected] >> <mailto:[email protected]>> >> Cc: jay <[email protected] <mailto:[email protected]>> >> Subject: [RE-wrenches] PV watts question >> >> Caution: This is an external email and may be malicious. Please take care >> when clicking links or opening attachments. >> >> >> HI All >> >> I’m working with a customer who’s pretty savvy and is using PV watts for his >> design. >> >> What I can’t figure out is the kwh/year goes down if he uses dc/ac ration of >> 1.5 instead of 1.2 which is the default. >> >> Hes in Santa Fe NM. >> >> .8 ratio= 1663 kwh/yr >> 1.0 ratio = 1668 kwh/yr >> 1.2 ratio = 1671 kwh/yr >> 1.5 ratio = 1623 kwh/yr >> >> I was expecting that more PV = more kWh/yr. >> >> What am i missing? >> >> >> standard module >> fixed roof mount >> 14.08 loss’s >> 10 degree tilt >> 180 degrees >> >> >> >> jay >> >> >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> Pay optional member dues here: http://re-wrenches.org >> <http://re-wrenches.org/> >> >> List Address: [email protected] >> <mailto:[email protected]> >> >> Change listserver email address & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> There are two list archives for searching. When one doesn't work, try the >> other: >> https://www.mail-archive.com/[email protected]/ >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >> >> List rules & etiquette: >> http://www.re-wrenches.org/etiquette.htm >> >> Check out or update participant bios: >> http://www.members.re-wrenches.org <http://www.members.re-wrenches.org/> >> >> >> ________________________________ >> >> This message is private and confidential and may be privileged. Any >> unauthorized use, dissemination of the information or copying of this >> message is prohibited. If you have received this message in error, please >> notify us immediately and remove it from your system. Thank you. >> >> ________________________________ >> >> This message is private and confidential and may be privileged. Any >> unauthorized use, dissemination of the information or copying of this >> message is prohibited. If you have received this message in error, please >> notify us immediately and remove it from your system. Thank you. >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> Pay optional member dues here: http://re-wrenches.org >> <http://re-wrenches.org/> >> >> List Address: [email protected] >> <mailto:[email protected]> >> >> Change listserver email address & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> There are two list archives for searching. When one doesn't work, try the >> other: >> https://www.mail-archive.com/[email protected]/ >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >> >> List rules & etiquette: >> http://www.re-wrenches.org/etiquette.htm >> >> Check out or update participant bios: >> http://www.members.re-wrenches.org <http://www.members.re-wrenches.org/> >> > _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > List Address: [email protected] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > There are two list archives for searching. When one doesn't work, try the > other: > https://www.mail-archive.com/[email protected]/ > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > http://www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > http://www.members.re-wrenches.org >
_______________________________________________ List sponsored by Redwood Alliance Pay optional member dues here: http://re-wrenches.org List Address: [email protected] Change listserver email address & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org There are two list archives for searching. When one doesn't work, try the other: https://www.mail-archive.com/[email protected]/ http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: http://www.re-wrenches.org/etiquette.htm Check out or update participant bios: http://www.members.re-wrenches.org
