We installed SunPower panels Q4 last year, promised 5-yr payback but we’re at year 3 with only £32k savings. factory solar maintenance cost flagged inverter failures early—ours hit 10% downtime. Anyone else had this? Weekend install saved ops though.

https://fire2020.org/a-guide-to-factory-solar-panel-installation/

We installed SunPower panels Q4 last year, promised 5-yr payback but we’re at year 3 with only £32k savings. factory solar maintenance cost flagged inverter failures early—ours hit 10% downtime. Anyone else had this? Weekend install saved ops though