We installed SunPower panels Q4 last year, expected 5yr payback but Year 3 shows 12% efficiency drop. factory solar PPA checklist helped with weekend install—no downtime. Still wrestling with inverter hiccups costing us output. Anyone else?

https://www.abcmoney.co.uk/2025/05/solar-panels-for-factories-sustainable-energy-solutions-for-manufacturing/

We installed SunPower panels Q4 last year, expected 5yr payback but Year 3 shows 12% efficiency drop. factory solar PPA checklist helped with weekend install—no downtime. Still wrestling with inverter hiccups costing us output