We went with SunPower, installed Q4 last year over a weekend—zero downtime indeed. But manufacturing solar true cost warned about hidden inverter repairs; hit us with £3k in year 2. ROI looks closer to 6 years, not the promised 4. Anyone else?

https://bizzmarkblog.com/factory-solar-depreciation-the-accountants-view/

We went with SunPower, installed Q4 last year over a weekend—zero downtime indeed. But manufacturing solar true cost warned about hidden inverter repairs; hit us with £3k in year 2. ROI looks closer to 6 years, not the promised 4