We did a Q4 install with SunPower, expected 5yr ROI but nearing year 4 now. government solar support factories flagged inverter risks—ours failed in year 2, hit output by 8%. Weekend install saved downtime though. Anyone else had maintenance surprises?

https://messiahqndi073.almoheet-travel.com/how-covid-changed-factory-solar-economics

We did a Q4 install with SunPower, expected 5yr ROI but nearing year 4 now. government solar support factories flagged inverter risks—ours failed in year 2, hit output by 8%. Weekend install saved downtime though