I''ve got multiple Q.Cell 235 watt module sites with the same issue and some are even shattering. Noticed it on a Canadian Solar project from 2014 as well. I don't care that the new products are entirely different and produced at different facilities, I'll never use products from either manufacturer again.
Nick On Fri, Jan 24, 2025 at 2:32 PM David Buckner via RE-wrenches < re-wrenches@lists.re-wrenches.org> wrote: > Following up on this, the manufacturer has stated that this is a known > issue for a run of modules they had back in the summer of 2012. It’s > called chalking and the back sheets are degrading faster than what is > typical, and unfortunately these modules are out of their 10 year > workmanship warranty. Eventually the glass breaks and the performance > drops but you cannot make a performance warranty claim on a damaged > module. So essentially the manufacturer appears to have waited until the > 10 year workmanship warranty was up before notifying customers about this > issue leaving them with no options. > > > > David Buckner > > President > > Solar Energy Systems > > 917-848-0215 > > 718-389-1545 > > dbuck...@solaresystems.com > > www.solaresystems.com > <https://us.content.exclaimer.net/?url=https%3A%2F%2Fwww.solaresystems.com%2F&tenantid=sjl0rdWaEe6F-WBFvdNAXQ&templateid=933619bad6e2ee11aaf06045bdd55b16&excomponentid=W0znjuLBICxfJOZwpEisk1w6Uz7kRcz8RFh31bsCZu4&excomponenttype=Link&signature=oLHGWCDHeQYPxuVijopczXguVIz2A9gWA29emAtwvdbqV2XsAnsbVfPJR3OQHtcxck-4zeNWEHrxwAX_LXCUOBXnvLDZkSB3Ue09sLzQcUNKGxMLclBt5peel7iiM1neHKnk8UctTRnOeUfIagifjZaGWicP4Wi23eUaL-JSNh0iUlYWH5Y2kOEt_QGU-R6LtdhPzR8aNOqjq8ttGuksaSFX3YQorUNiBDkXDGXmmCSiiNgljGMekvYiEvoXMsCe_CC1DpnfHsaH45ZBD8L442uACHbkOuyDJ-IG20zpBYXGK3TzDh-GW4efLwZfi6MUcJohrIgQQag5JDhSynWoDQ&v=1&imprintMessageId=e8f99903-6e51-4797-aec9-99b594002d97> > > 41 Box Street 2nd Floor, Brooklyn, NY 11222 > > The information contained in this email message, including any attached > files transmitted, is confidential and may be legally privileged. It is > intended for the sole use of the individual(s) named above. If you are the > intended recipient, be aware that your use of any confidential or personal > information may be restricted by state and federal privacy laws. If you, > the reader of this message, are not the intended recipient, you are hereby > notified that you should not further disseminate, distribute or forward > this email message. Email transmission cannot be guaranteed to be secured > or error-free as information could be intercepted, corrupted, lost, > destroyed, arrive late or incomplete, or contain viruses. The sender > therefore does not accept liability for any errors or omissions in the > contents of this message, which arise as a result of this e-mail > transmission. If you have received this email in error, please notify the > sender and immediately delete the material from your computer system. Thank > you. > > *From:* David Buckner > *Sent:* Monday, January 13, 2025 12:14 PM > *To:* 'RE-wrenches' <re-wrenches@lists.re-wrenches.org> > *Subject:* 13 YR Old Modules with cracking backsheets > > > > Hi All, > > > > We have discovered quite a few modules at a particular site that are > showing cracking in the back sheets. It appears these modules are not > underperforming yet, but we assume it’s a matter of time before they all > water and start causing the glass to shatter. Some of the modules at this > site are at that shattered glass stage. I’m assuming we should thermal > image and keep an eye on potential hotspots, but any other advice would be > great to hear. Full removal isn’t out of the question, but this is about > 40% of a 1MW rooftop system. > > > > > _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > 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 > > There are two list archives for searching. When one doesn't work, try the > other: > https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ > 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 > >
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