Hello Wrenches, Any experience successfully submitting a performance warranty claim with SunPower on their solar modules? Right now, in order to Provide what they are asking for, we will likely spend more time/money testing to their satisfaction than it would cost for us to likely buy new modules and just replace the array.
Anybody have a similar experience? Or suggestions on how to deal with Sunpower? Don't want to bog this down with all the details but suffice to say we I-V traced the array at the string level as a sanity check (7-10 % lower than anticipated performance), and a random selection of individual modules as well and we are seeing roughly 8% lower performance than expected given the array age and listed performance warranty. (STC corrected I-V trace is 8% lower than it should be for an 8 year old solar module from SunPower) With Regards, -- Danny Young NABCEP PV Installation Professional #031508-90 Engineering Team Lead Solar Energy Solutions Lexington | Louisville | Bloomington | Cincinnati | Evansville | Indianapolis 513-448-5176 (mobile) 877-312-7456 (Main Office) da...@sesre.com<mailto:da...@sesre.com>
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