I received a call from someone who had a SunPower leased net metered system. His inverter died in 2024 and after many calls the original installer managed to get an ex-Sun Power employee to replace the inverter on his own time. A refurbished inverter with a 2014 manufacturing date was installed.
Now the inverter is showing a "grid relay open" code, so it isn't producing power. The remnants of SunPower say the inverter is past their warranty (he paid for a 20 year extended warranty through the leasing company, which is out of business). The original installer either doesn't answer their phones or when they do answer, they say someone will call him back, but never do. He now wants to pay to replace the inverter, which seems wrong. I'm trying to decide if I want to take this on, and trying to figure out what inverter makes sense to use. I've installed almost solely SolarEdge inverters since 2014, so I'm largely out of the loop on other strong inverters. If I install a new inverter, I want to ensure it is a solid choice with a good warranty. Any suggestions are welcome. Thanks, Howie
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