Deposit not returned Around six months ago, my system was installed and I made a full cash payment to settle my account. However they are refusing to pay me back the $1000 refundable deposit, and they have no reason not to do so.

Waiting over 6 months now - Does not prioritize customers with warranty UPDATE: SunPower replied that they would escalate, but that’s been promised over the phone multiple times already. Canned review responses to show others that they are receptive to customers is more of a ploy. If they truly cared then they would actually resolve the issue immediately. If and when they do that, my review will reflect that. Original Review: My inverter broke over 6 months ago. The service person who originally came out explained the model I had was problematic with many inverter fails with other customers. He couldn't do anything and originally said it would probably take a month or so for a new inverter to get ordered and shipped. I was patient for many months, but after many phone calls and emails, all SunPower can tell me is that they are still waiting for the manufacturer and cannot give me any concrete details of when. The exact same thing every time I have called and the same thing they state when they email. It boggles my mind that SunPower has absolutely no visibility into their supply chain. Supply chain management/software has been around for decades at this point. Everytime I called customer service and asked to speak to a superviser, I was told it would not do anything, etc. I don't even know if my issue has been escalated properly, other than the word of the rep. And, in the mean-time, I have lost hundreds of dollars due to an inoperable solar system. It may even be thouands depending on how much longer SunPower takes. Had I known all this would happen, I would have gone to another service provider for a new inverter in the first place.

poor customer service was checking my production from prior years discovered production went down 5000 kwatts from 2017 t0 2018 in fact Nov and Dec of 2018 no production just learned today problem 2 of 5 modules were not working waiting for dealer in Phoenix area to return call for service call to hopefully fix problem, on my nickel, where was there customer support aren't they suppose to watch for things like to this and notify you I did buy out my lease in Oct 2019 but had started before then GREAT CUSTOMER SUPPPORT

Worst of the worst customer service I purchased their system two years ago, and it has been reliable for the most part. However, my experience with their customer service has been abysmal. Without any explanation, they've rescheduled appointments three times already. Now, I'm told I have to wait another three months for someone to finally come. It feels like they might be a one-person team. Needless to say, I'll be cautious about choosing them again. I've heard similar complaints about other big companies like Tesla. Once they install your system, it seems like support becomes nonexistent. That's why I'm inclined to explore smaller companies that prioritize responsiveness to their customers.

Invertor Since early 2023, my solar panels have been generating zero or very little solar power. There have been multiple issues, some have been corrected. The one still not corrected is that one of the two invertors has not been working since at least since summer of 2023. I have been waiting over 5 months for the non-working invertor to be replaced. One would think a company like SunPower would have spare parts on hand. I was told they are still installing new systems, so invertors must exist!! Update - There have been 3 case numbers since April 2023 - #C03267717, #03376082, and #03690871. Also, per SunPower on 4/19/2023, SunPower was not communicating with the solar equipment for over 2 years so was not monitoring the performance of the system. I was not aware of this until the system was not working.